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Introduction
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nats.io
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What is NATS
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Request-Reply
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Queue Groups
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Acknowledgements
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Sequence Numbers
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Introduction
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Connecting
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Connecting to the Default Server
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</a>
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Connecting to a Specific Server
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</a>
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Connecting to a Cluster
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Setting a Connect Timeout
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</a>
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Ping/Pong Protocol
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Controlling the Client/Server Protocol
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</a>
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<a href="../../developer/connecting/noecho.html">
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Turning Off Echo'd Messages
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</a>
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</ul>
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<a href="../../developer/reconnect/intro.html">
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Automatic Reconnections
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</a>
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<ul class="articles">
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Disabling Reconnect
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</a>
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<li class="chapter " data-level="3.3.2" data-path="../../developer/reconnect/max.html">
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<a href="../../developer/reconnect/max.html">
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Set the Number of Reconnect Attempts
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</a>
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</li>
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<li class="chapter " data-level="3.3.3" data-path="../../developer/reconnect/wait.html">
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<a href="../../developer/reconnect/wait.html">
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Pausing Between Reconnect Attempts
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</a>
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<li class="chapter " data-level="3.3.4" data-path="../../developer/reconnect/random.html">
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<a href="../../developer/reconnect/random.html">
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Avoiding the Thundering Herd
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</a>
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<li class="chapter " data-level="3.3.5" data-path="../../developer/reconnect/events.html">
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<a href="../../developer/reconnect/events.html">
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Listening for Reconnect Events
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</a>
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</li>
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<li class="chapter " data-level="3.3.6" data-path="../../developer/reconnect/buffer.html">
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<a href="../../developer/reconnect/buffer.html">
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Buffering Messages During Reconnect Attempts
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</a>
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</li>
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</ul>
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</li>
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<li class="chapter " data-level="3.4" data-path="../../developer/security/intro.html">
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<a href="../../developer/security/intro.html">
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Securing Connections
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</a>
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<ul class="articles">
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<li class="chapter " data-level="3.4.1" data-path="../../developer/security/userpass.html">
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<a href="../../developer/security/userpass.html">
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Authenticating with a User and Password
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</a>
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</li>
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<li class="chapter " data-level="3.4.2" data-path="../../developer/security/token.html">
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<a href="../../developer/security/token.html">
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Authenticating with a Token
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</a>
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</li>
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<li class="chapter " data-level="3.4.3" data-path="../../developer/security/nkey.html">
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<a href="../../developer/security/nkey.html">
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Authenticating with an NKey
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</a>
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</li>
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<li class="chapter " data-level="3.4.4" data-path="../../developer/security/creds.html">
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<a href="../../developer/security/creds.html">
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Authenticating with a Credentials File
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</a>
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</li>
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<li class="chapter " data-level="3.4.5" data-path="../../developer/security/tls.html">
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<a href="../../developer/security/tls.html">
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Encrypting Connections with TLS
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</a>
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</li>
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</ul>
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</li>
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<li class="chapter " data-level="3.5" data-path="../../developer/receiving/intro.html">
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<a href="../../developer/receiving/intro.html">
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Receiving Messages
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</a>
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<ul class="articles">
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<li class="chapter " data-level="3.5.1" data-path="../../developer/receiving/sync.html">
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<a href="../../developer/receiving/sync.html">
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Synchronous Subscriptions
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</a>
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</li>
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<li class="chapter " data-level="3.5.2" data-path="../../developer/receiving/async.html">
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<a href="../../developer/receiving/async.html">
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Asynchronous Subscriptions
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</a>
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</li>
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<li class="chapter " data-level="3.5.3" data-path="../../developer/receiving/unsubscribing.html">
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<a href="../../developer/receiving/unsubscribing.html">
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Unsubscribing
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</a>
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</li>
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<li class="chapter " data-level="3.5.4" data-path="../../developer/receiving/unsub_after.html">
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<a href="../../developer/receiving/unsub_after.html">
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Unsubscribing After N Messages
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</a>
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</li>
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<li class="chapter " data-level="3.5.5" data-path="../../developer/receiving/reply.html">
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<a href="../../developer/receiving/reply.html">
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Replying to a Message
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</a>
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</li>
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<li class="chapter " data-level="3.5.6" data-path="../../developer/receiving/wildcards.html">
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<a href="../../developer/receiving/wildcards.html">
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Wildcard Subscriptions
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</a>
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</li>
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<li class="chapter " data-level="3.5.7" data-path="../../developer/receiving/queues.html">
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<a href="../../developer/receiving/queues.html">
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Queue Subscriptions
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</a>
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</li>
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<li class="chapter " data-level="3.5.8" data-path="../../developer/receiving/drain.html">
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<a href="../../developer/receiving/drain.html">
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Draining Messages Before Disconnect
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</a>
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</li>
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<li class="chapter " data-level="3.5.9" data-path="../../developer/receiving/structure.html">
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<a href="../../developer/receiving/structure.html">
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Structured Data
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</a>
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</li>
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</ul>
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</li>
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<li class="chapter " data-level="3.6" data-path="../../developer/sending/intro.html">
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<a href="../../developer/sending/intro.html">
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Sending Messages
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</a>
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<ul class="articles">
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<li class="chapter " data-level="3.6.1" data-path="../../developer/sending/replyto.html">
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<a href="../../developer/sending/replyto.html">
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Including a Reply Subject
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</a>
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</li>
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<li class="chapter " data-level="3.6.2" data-path="../../developer/sending/request_reply.html">
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<a href="../../developer/sending/request_reply.html">
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Request-Reply Semantics
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</a>
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</li>
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<li class="chapter " data-level="3.6.3" data-path="../../developer/sending/caches.html">
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<a href="../../developer/sending/caches.html">
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Caches, Flush and Ping
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</a>
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</li>
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<li class="chapter " data-level="3.6.4" data-path="../../developer/sending/structure.html">
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<a href="../../developer/sending/structure.html">
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Sending Structured Data
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</a>
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</li>
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</ul>
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</li>
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<li class="chapter " data-level="3.7" data-path="../../developer/events/intro.html">
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<a href="../../developer/events/intro.html">
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Monitoring the Connection
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</a>
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<ul class="articles">
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<li class="chapter " data-level="3.7.1" data-path="../../developer/events/events.html">
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<a href="../../developer/events/events.html">
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Listen for Connection Events
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</a>
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</li>
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<li class="chapter " data-level="3.7.2" data-path="../../developer/events/slow.html">
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<a href="../../developer/events/slow.html">
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Slow Consumers
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</a>
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</li>
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</ul>
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</li>
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<li class="chapter " data-level="3.8" data-path="../../developer/tutorials/intro.html">
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<a href="../../developer/tutorials/intro.html">
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Tutorials
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</a>
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<ul class="articles">
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<li class="chapter " data-level="3.8.1" data-path="../../developer/tutorials/pubsub.html">
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<a href="../../developer/tutorials/pubsub.html">
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Explore NATS Pub/Sub
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</a>
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</li>
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<li class="chapter " data-level="3.8.2" data-path="../../developer/tutorials/reqreply.html">
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<a href="../../developer/tutorials/reqreply.html">
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Explore NATS Request/Reply
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</a>
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</li>
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|
<li class="chapter " data-level="3.8.3" data-path="../../developer/tutorials/queues.html">
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<a href="../../developer/tutorials/queues.html">
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Explore NATS Queueing
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</a>
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</li>
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|
<li class="chapter " data-level="3.8.4" data-path="../../developer/tutorials/custom_dialer.html">
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|
<a href="../../developer/tutorials/custom_dialer.html">
|
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Advanced Connect and Custom Dialer in Go
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</a>
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</li>
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</ul>
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</li>
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<li class="header">NATS Server</li>
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<li class="chapter " data-level="4.1" data-path="../../nats_server/installation.html">
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<a href="../../nats_server/installation.html">
|
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Installing
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</a>
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</li>
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<li class="chapter " data-level="4.2" data-path="../../nats_server/running.html">
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<a href="../../nats_server/running.html">
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Running
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</a>
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<ul class="articles">
|
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<li class="chapter " data-level="4.2.1" data-path="../../nats_server/windows_srv.html">
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<a href="../../nats_server/windows_srv.html">
|
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Window Service
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</a>
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</li>
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</ul>
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</li>
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<li class="chapter " data-level="4.3" data-path="../../nats_server/clients.html">
|
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|
<a href="../../nats_server/clients.html">
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|
Clients
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</a>
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</li>
|
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|
<li class="chapter " data-level="4.4" data-path="../../nats_server/flags.html">
|
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|
<a href="../../nats_server/flags.html">
|
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|
Flags
|
|
|
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</a>
|
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|
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</li>
|
|
|
|
<li class="chapter " data-level="4.5" data-path="../../nats_server/configuration.html">
|
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|
<a href="../../nats_server/configuration.html">
|
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|
|
Configuration
|
|
|
|
</a>
|
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|
<ul class="articles">
|
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|
|
|
<li class="chapter " data-level="4.5.1" data-path="../../nats_server/securing_nats.html">
|
|
|
|
<a href="../../nats_server/securing_nats.html">
|
|
|
|
|
|
Securing NATS
|
|
|
|
</a>
|
|
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|
<ul class="articles">
|
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|
|
<li class="chapter " data-level="4.5.1.1" data-path="../../nats_server/tls.html">
|
|
|
|
<a href="../../nats_server/tls.html">
|
|
|
|
|
|
Enabling TLS
|
|
|
|
</a>
|
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|
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</li>
|
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|
|
<li class="chapter " data-level="4.5.1.2" data-path="../../nats_server/auth_intro.html">
|
|
|
|
<a href="../../nats_server/auth_intro.html">
|
|
|
|
|
|
Authentication
|
|
|
|
</a>
|
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|
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|
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<ul class="articles">
|
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|
|
<li class="chapter " data-level="4.5.1.2.1" data-path="../../nats_server/tokens.html">
|
|
|
|
<a href="../../nats_server/tokens.html">
|
|
|
|
|
|
Tokens
|
|
|
|
</a>
|
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|
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|
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</li>
|
|
|
|
<li class="chapter " data-level="4.5.1.2.2" data-path="../../nats_server/username_password.html">
|
|
|
|
<a href="../../nats_server/username_password.html">
|
|
|
|
|
|
Username/Password
|
|
|
|
</a>
|
|
|
|
|
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|
</li>
|
|
|
|
<li class="chapter " data-level="4.5.1.2.3" data-path="../../nats_server/tls_mutual_auth.html">
|
|
|
|
<a href="../../nats_server/tls_mutual_auth.html">
|
|
|
|
|
|
TLS Authentication
|
|
|
|
</a>
|
|
|
|
|
|
|
|
</li>
|
|
|
|
<li class="chapter " data-level="4.5.1.2.4" data-path="../../nats_server/nkey_auth.html">
|
|
|
|
<a href="../../nats_server/nkey_auth.html">
|
|
|
|
|
|
NKeys
|
|
|
|
</a>
|
|
|
|
|
|
|
|
</li>
|
|
|
|
<li class="chapter " data-level="4.5.1.2.5" data-path="../../nats_server/accounts.html">
|
|
|
|
<a href="../../nats_server/accounts.html">
|
|
|
|
|
|
Accounts
|
|
|
|
</a>
|
|
|
|
|
|
|
|
</li>
|
|
|
|
<li class="chapter " data-level="4.5.1.2.6" data-path="../../nats_server/jwt_auth.html">
|
|
|
|
<a href="../../nats_server/jwt_auth.html">
|
|
|
|
|
|
JWTs
|
|
|
|
</a>
|
|
|
|
|
|
|
|
</li>
|
|
|
|
<li class="chapter " data-level="4.5.1.2.7" data-path="../../nats_server/auth_timeout.html">
|
|
|
|
<a href="../../nats_server/auth_timeout.html">
|
|
|
|
|
|
Authentication Timeout
|
|
|
|
</a>
|
|
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|
|
|
|
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</li>
|
|
|
|
|
|
</ul>
|
|
|
|
</li>
|
|
|
|
<li class="chapter " data-level="4.5.1.3" data-path="../../nats_server/authorization.html">
|
|
|
|
<a href="../../nats_server/authorization.html">
|
|
|
|
|
|
Authorization
|
|
|
|
</a>
|
|
|
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|
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</li>
|
|
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|
|
|
</ul>
|
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|
</li>
|
|
|
|
<li class="chapter " data-level="4.5.2" data-path="../../nats_server/clustering.html">
|
|
|
|
<a href="../../nats_server/clustering.html">
|
|
|
|
|
|
Clustering
|
|
|
|
</a>
|
|
|
|
|
|
|
|
<ul class="articles">
|
|
|
|
|
|
<li class="chapter " data-level="4.5.2.1" data-path="../../nats_server/cluster_config.html">
|
|
|
|
<a href="../../nats_server/cluster_config.html">
|
|
|
|
|
|
Configuration
|
|
|
|
</a>
|
|
|
|
|
|
|
|
</li>
|
|
|
|
<li class="chapter " data-level="4.5.2.2" data-path="../../nats_server/cluster_tls.html">
|
|
|
|
<a href="../../nats_server/cluster_tls.html">
|
|
|
|
|
|
TLS Authentication
|
|
|
|
</a>
|
|
|
|
|
|
|
|
</li>
|
|
|
|
|
|
</ul>
|
|
|
|
</li>
|
|
|
|
<li class="chapter " data-level="4.5.3" data-path="../../gateways/">
|
|
|
|
<a href="../../gateways/">
|
|
|
|
|
|
Gateways
|
|
|
|
</a>
|
|
|
|
|
|
|
|
<ul class="articles">
|
|
|
|
|
|
<li class="chapter " data-level="4.5.3.1" data-path="../../gateways/gateway.html">
|
|
|
|
<a href="../../gateways/gateway.html">
|
|
|
|
|
|
Configuration
|
|
|
|
</a>
|
|
|
|
|
|
|
|
</li>
|
|
|
|
|
|
</ul>
|
|
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|
</li>
|
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|
|
<li class="chapter " data-level="4.5.4" data-path="../../leafnodes/">
|
|
|
|
<a href="../../leafnodes/">
|
|
|
|
|
|
Leaf Nodes
|
|
|
|
</a>
|
|
|
|
|
|
|
|
<ul class="articles">
|
|
|
|
|
|
<li class="chapter " data-level="4.5.4.1" data-path="../../leafnodes/leafnode_conf.html">
|
|
|
|
<a href="../../leafnodes/leafnode_conf.html">
|
|
|
|
|
|
Configuration
|
|
|
|
</a>
|
|
|
|
|
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|
|
</li>
|
|
|
|
|
|
</ul>
|
|
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|
</li>
|
|
|
|
<li class="chapter " data-level="4.5.5" data-path="../../nats_server/logging.html">
|
|
|
|
<a href="../../nats_server/logging.html">
|
|
|
|
|
|
Logging
|
|
|
|
</a>
|
|
|
|
|
|
|
|
</li>
|
|
|
|
<li class="chapter " data-level="4.5.6" data-path="../../nats_server/monitoring.html">
|
|
|
|
<a href="../../nats_server/monitoring.html">
|
|
|
|
|
|
Monitoring
|
|
|
|
</a>
|
|
|
|
|
|
|
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</li>
|
|
|
|
|
|
</ul>
|
|
|
|
</li>
|
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|
|
<li class="chapter " data-level="4.6" data-path="../../nats_admin/">
|
|
|
|
<a href="../../nats_admin/">
|
|
|
|
|
|
Managing A NATS Server
|
|
|
|
</a>
|
|
|
|
|
|
|
|
<ul class="articles">
|
|
|
|
|
|
<li class="chapter " data-level="4.6.1" data-path="../../nats_admin/upgrading_cluster.html">
|
|
|
|
<a href="../../nats_admin/upgrading_cluster.html">
|
|
|
|
|
|
Upgrading a Cluster
|
|
|
|
</a>
|
|
|
|
|
|
|
|
</li>
|
|
|
|
<li class="chapter " data-level="4.6.2" data-path="../../nats_admin/slow_consumers.html">
|
|
|
|
<a href="../../nats_admin/slow_consumers.html">
|
|
|
|
|
|
Slow Consumers
|
|
|
|
</a>
|
|
|
|
|
|
|
|
</li>
|
|
|
|
<li class="chapter " data-level="4.6.3" data-path="../../nats_admin/signals.html">
|
|
|
|
<a href="../../nats_admin/signals.html">
|
|
|
|
|
|
Signals
|
|
|
|
</a>
|
|
|
|
|
|
|
|
</li>
|
|
|
|
<li class="chapter " data-level="4.6.4" data-path="../../sys_accounts/">
|
|
|
|
<a href="../../sys_accounts/">
|
|
|
|
|
|
System Accounts
|
|
|
|
</a>
|
|
|
|
|
|
|
|
<ul class="articles">
|
|
|
|
|
|
<li class="chapter " data-level="4.6.4.1" data-path="../../sys_accounts/sys_accounts.html">
|
|
|
|
<a href="../../sys_accounts/sys_accounts.html">
|
|
|
|
|
|
Configuration
|
|
|
|
</a>
|
|
|
|
|
|
|
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</li>
|
|
|
|
|
|
</ul>
|
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|
</li>
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|
|
</ul>
|
|
|
|
</li>
|
|
|
|
<li class="chapter " data-level="4.7" data-path="../../nats_docker/">
|
|
|
|
<a href="../../nats_docker/">
|
|
|
|
|
|
NATS and Docker
|
|
|
|
</a>
|
|
|
|
|
|
|
|
<ul class="articles">
|
|
|
|
|
|
<li class="chapter " data-level="4.7.1" data-path="../../nats_docker/nats-docker-tutorial.html">
|
|
|
|
<a href="../../nats_docker/nats-docker-tutorial.html">
|
|
|
|
|
|
Tutorial
|
|
|
|
</a>
|
|
|
|
|
|
|
|
</li>
|
|
|
|
<li class="chapter " data-level="4.7.2" data-path="../../nats_docker/docker_swarm.html">
|
|
|
|
<a href="../../nats_docker/docker_swarm.html">
|
|
|
|
|
|
Docker Swarm
|
|
|
|
</a>
|
|
|
|
|
|
|
|
</li>
|
|
|
|
|
|
</ul>
|
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|
|
</li>
|
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|
|
|
|
<li class="header">NATS Tools</li>
|
|
|
|
|
|
|
|
<li class="chapter " data-level="5.1" data-path="../mkpasswd.html">
|
|
|
|
<a href="../mkpasswd.html">
|
|
|
|
|
|
mkpasswd
|
|
|
|
</a>
|
|
|
|
|
|
|
|
</li>
|
|
|
|
<li class="chapter " data-level="5.2" data-path="../nk.html">
|
|
|
|
<a href="../nk.html">
|
|
|
|
|
|
nk
|
|
|
|
</a>
|
|
|
|
|
|
|
|
</li>
|
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|
|
<li class="chapter " data-level="5.3" data-path="./">
|
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|
|
<a href="./">
|
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|
|
|
|
nsc
|
|
|
|
</a>
|
|
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|
|
|
|
<ul class="articles">
|
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|
|
|
|
<li class="chapter " data-level="5.3.1" data-path="nsc.html">
|
|
|
|
<a href="nsc.html">
|
|
|
|
|
|
Basics
|
|
|
|
</a>
|
|
|
|
|
|
|
|
</li>
|
|
|
|
<li class="chapter " data-level="5.3.2" data-path="streams.html">
|
|
|
|
<a href="streams.html">
|
|
|
|
|
|
Streams
|
|
|
|
</a>
|
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|
|
|
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|
|
</li>
|
|
|
|
<li class="chapter active" data-level="5.3.3" data-path="services.html">
|
|
|
|
<a href="services.html">
|
|
|
|
|
|
Services
|
|
|
|
</a>
|
|
|
|
|
|
|
|
</li>
|
|
|
|
<li class="chapter " data-level="5.3.4" data-path="signing_keys.html">
|
|
|
|
<a href="signing_keys.html">
|
|
|
|
|
|
Signing Keys
|
|
|
|
</a>
|
|
|
|
|
|
|
|
</li>
|
|
|
|
<li class="chapter " data-level="5.3.5" data-path="revocation.html">
|
|
|
|
<a href="revocation.html">
|
|
|
|
|
|
Revocation
|
|
|
|
</a>
|
|
|
|
|
|
|
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</li>
|
|
|
|
<li class="chapter " data-level="5.3.6" data-path="managed.html">
|
|
|
|
<a href="managed.html">
|
|
|
|
|
|
Managed Operators
|
|
|
|
</a>
|
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|
|
|
|
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</li>
|
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</ul>
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</li>
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<li class="chapter " data-level="5.4" data-path="../nas/">
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<a href="../nas/">
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nats-account-server
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</a>
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<ul class="articles">
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<li class="chapter " data-level="5.4.1" data-path="../nas/nas_conf.html">
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<a href="../nas/nas_conf.html">
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Basics
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</a>
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</li>
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<li class="chapter " data-level="5.4.2" data-path="../nas/inspecting_jwts.html">
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<a href="../nas/inspecting_jwts.html">
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Inspecting JWTs
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</a>
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</li>
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<li class="chapter " data-level="5.4.3" data-path="../nas/dir_store.html">
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<a href="../nas/dir_store.html">
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Directory Store
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</a>
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</li>
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<li class="chapter " data-level="5.4.4" data-path="../nas/notifications.html">
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<a href="../nas/notifications.html">
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Update Notifications
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</a>
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</li>
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<li class="chapter " data-level="5.4.5" data-path="../nas/mem_resolver.html">
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<a href="../nas/mem_resolver.html">
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Memory Resolver
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</a>
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</li>
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</ul>
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</li>
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<li class="chapter " data-level="5.5" data-path="../nats_top/">
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<a href="../nats_top/">
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nats-top
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</a>
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<ul class="articles">
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<li class="chapter " data-level="5.5.1" data-path="../nats_top/nats-top-tutorial.html">
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<a href="../nats_top/nats-top-tutorial.html">
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Tutorial
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</a>
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</li>
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</ul>
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</li>
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<li class="chapter " data-level="5.6" data-path="../natsbench.html">
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<a href="../natsbench.html">
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nats-bench
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</a>
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</li>
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<li class="header">NATS Streaming Concepts</li>
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<li class="chapter " data-level="6.1" data-path="../../nats_streaming/intro.html">
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<a href="../../nats_streaming/intro.html">
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Introduction
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</a>
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</li>
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<li class="chapter " data-level="6.2" data-path="../../nats_streaming/relation-to-nats.html">
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<a href="../../nats_streaming/relation-to-nats.html">
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Relation to NATS
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</a>
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</li>
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<li class="chapter " data-level="6.3" data-path="../../nats_streaming/client-connections.html">
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<a href="../../nats_streaming/client-connections.html">
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Client Connections
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</a>
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</li>
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<li class="chapter " data-level="6.4" data-path="../../nats_streaming/channels/channels.html">
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<a href="../../nats_streaming/channels/channels.html">
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Channels
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</a>
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<ul class="articles">
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<li class="chapter " data-level="6.4.1" data-path="../../nats_streaming/channels/message-log.html">
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<a href="../../nats_streaming/channels/message-log.html">
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Message Log
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</a>
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</li>
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<li class="chapter " data-level="6.4.2" data-path="../../nats_streaming/channels/subscriptions/subscriptions.html">
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<a href="../../nats_streaming/channels/subscriptions/subscriptions.html">
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Subscriptions
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</a>
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<ul class="articles">
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<li class="chapter " data-level="6.4.2.1" data-path="../../nats_streaming/channels/subscriptions/regular.html">
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<a href="../../nats_streaming/channels/subscriptions/regular.html">
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Regular
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</a>
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</li>
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<li class="chapter " data-level="6.4.2.2" data-path="../../nats_streaming/channels/subscriptions/durable.html">
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<a href="../../nats_streaming/channels/subscriptions/durable.html">
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Durable
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</a>
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</li>
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<li class="chapter " data-level="6.4.2.3" data-path="../../nats_streaming/channels/subscriptions/queue-group.html">
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<a href="../../nats_streaming/channels/subscriptions/queue-group.html">
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Queue Group
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</a>
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</li>
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<li class="chapter " data-level="6.4.2.4" data-path="../../nats_streaming/channels/subscriptions/redelivery.html">
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<a href="../../nats_streaming/channels/subscriptions/redelivery.html">
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Redelivery
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</a>
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</li>
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</ul>
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</li>
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</ul>
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</li>
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<li class="chapter " data-level="6.5" data-path="../../nats_streaming/store-interface.html">
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<a href="../../nats_streaming/store-interface.html">
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Store Interface
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</a>
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</li>
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<li class="chapter " data-level="6.6" data-path="../../nats_streaming/store-encryption.html">
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<a href="../../nats_streaming/store-encryption.html">
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Store Encryption
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</a>
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</li>
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<li class="chapter " data-level="6.7" data-path="../../nats_streaming/clustering/clustering.html">
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<a href="../../nats_streaming/clustering/clustering.html">
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Clustering
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</a>
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<ul class="articles">
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<li class="chapter " data-level="6.7.1" data-path="../../nats_streaming/clustering/supported-stores.html">
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<a href="../../nats_streaming/clustering/supported-stores.html">
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Supported Stores
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</a>
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</li>
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<li class="chapter " data-level="6.7.2" data-path="../../nats_streaming/clustering/configuration.html">
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<a href="../../nats_streaming/clustering/configuration.html">
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Configuration
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</a>
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</li>
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<li class="chapter " data-level="6.7.3" data-path="../../nats_streaming/clustering/auto-configuration.html">
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<a href="../../nats_streaming/clustering/auto-configuration.html">
|
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Auto Configuration
|
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</a>
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</li>
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<li class="chapter " data-level="6.7.4" data-path="../../nats_streaming/clustering/containers.html">
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|
<a href="../../nats_streaming/clustering/containers.html">
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|
Containers
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</a>
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</li>
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</ul>
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</li>
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<li class="chapter " data-level="6.8" data-path="../../nats_streaming/fault-tolerance/ft.html">
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|
<a href="../../nats_streaming/fault-tolerance/ft.html">
|
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|
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|
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Fault Tolerance
|
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</a>
|
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<ul class="articles">
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<li class="chapter " data-level="6.8.1" data-path="../../nats_streaming/fault-tolerance/active-server.html">
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|
|
<a href="../../nats_streaming/fault-tolerance/active-server.html">
|
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Active Server
|
|
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</a>
|
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</li>
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<li class="chapter " data-level="6.8.2" data-path="../../nats_streaming/fault-tolerance/standby-server.html">
|
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|
|
<a href="../../nats_streaming/fault-tolerance/standby-server.html">
|
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Standby Servers
|
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</a>
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</li>
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<li class="chapter " data-level="6.8.3" data-path="../../nats_streaming/fault-tolerance/shared-state.html">
|
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<a href="../../nats_streaming/fault-tolerance/shared-state.html">
|
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Shared State
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</a>
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</li>
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<li class="chapter " data-level="6.8.4" data-path="../../nats_streaming/fault-tolerance/failover.html">
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|
<a href="../../nats_streaming/fault-tolerance/failover.html">
|
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|
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Failover
|
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</a>
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</li>
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</ul>
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</li>
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<li class="chapter " data-level="6.9" data-path="../../nats_streaming/partitioning.html">
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|
<a href="../../nats_streaming/partitioning.html">
|
|
|
|
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|
Partitioning
|
|
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</a>
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</li>
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|
<li class="chapter " data-level="6.10" data-path="../../nats_streaming/monitoring/monitoring.html">
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|
|
<a href="../../nats_streaming/monitoring/monitoring.html">
|
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|
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|
|
Monitoring
|
|
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|
</a>
|
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<ul class="articles">
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<li class="chapter " data-level="6.10.1" data-path="../../nats_streaming/monitoring/endpoints.html">
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<a href="../../nats_streaming/monitoring/endpoints.html">
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Endpoints
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</a>
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</li>
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</ul>
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</li>
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<li class="header">Developing With NATS Streaming</li>
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<li class="chapter " data-level="7.1" data-path="../../developer/streaming/">
|
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|
<a href="../../developer/streaming/">
|
|
|
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|
|
Introduction
|
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</a>
|
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|
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</li>
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|
<li class="chapter " data-level="7.2" data-path="../../developer/streaming/connecting.html">
|
|
|
|
<a href="../../developer/streaming/connecting.html">
|
|
|
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|
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Connecting to NATS Streaming
|
|
|
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</a>
|
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</li>
|
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|
|
<li class="chapter " data-level="7.3" data-path="../../developer/streaming/publishing.html">
|
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|
|
<a href="../../developer/streaming/publishing.html">
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|
|
|
|
|
Publishing to a Channel
|
|
|
|
</a>
|
|
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|
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</li>
|
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|
|
<li class="chapter " data-level="7.4" data-path="../../developer/streaming/receiving.html">
|
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|
<a href="../../developer/streaming/receiving.html">
|
|
|
|
|
|
Receiving Messages from a Channel
|
|
|
|
</a>
|
|
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|
|
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</li>
|
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|
|
<li class="chapter " data-level="7.5" data-path="../../developer/streaming/durables.html">
|
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|
|
<a href="../../developer/streaming/durables.html">
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|
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|
|
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Durable Subscriptions
|
|
|
|
</a>
|
|
|
|
|
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</li>
|
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|
|
<li class="chapter " data-level="7.6" data-path="../../developer/streaming/queues.html">
|
|
|
|
<a href="../../developer/streaming/queues.html">
|
|
|
|
|
|
Queue Subscriptions
|
|
|
|
</a>
|
|
|
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|
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</li>
|
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|
|
<li class="chapter " data-level="7.7" data-path="../../developer/streaming/acks.html">
|
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|
|
<a href="../../developer/streaming/acks.html">
|
|
|
|
|
|
Acknowledgements
|
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|
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</a>
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</li>
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|
<li class="chapter " data-level="7.8" data-path="../../developer/streaming/protocol.html">
|
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|
|
<a href="../../developer/streaming/protocol.html">
|
|
|
|
|
|
The Streaming Protocol
|
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|
|
</a>
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</li>
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|
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<li class="header">NATS Streaming Server</li>
|
|
|
|
|
|
|
|
<li class="chapter " data-level="8.1" data-path="../../nats_streaming/gettingstarted/changes.html">
|
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|
|
<a href="../../nats_streaming/gettingstarted/changes.html">
|
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|
|
|
|
Important Changes
|
|
|
|
</a>
|
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|
|
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</li>
|
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|
|
<li class="chapter " data-level="8.2" data-path="../../nats_streaming/gettingstarted/install.html">
|
|
|
|
<a href="../../nats_streaming/gettingstarted/install.html">
|
|
|
|
|
|
Installing
|
|
|
|
</a>
|
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|
|
|
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</li>
|
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|
|
<li class="chapter " data-level="8.3" data-path="../../nats_streaming/gettingstarted/run.html">
|
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|
<a href="../../nats_streaming/gettingstarted/run.html">
|
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|
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Running
|
|
|
|
</a>
|
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</li>
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|
<li class="chapter " data-level="8.4" data-path="../../nats_streaming/configuring/configuring.html">
|
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|
<a href="../../nats_streaming/configuring/configuring.html">
|
|
|
|
|
|
Configuring
|
|
|
|
</a>
|
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|
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|
<ul class="articles">
|
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|
<li class="chapter " data-level="8.4.1" data-path="../../nats_streaming/configuring/cmdline.html">
|
|
|
|
<a href="../../nats_streaming/configuring/cmdline.html">
|
|
|
|
|
|
Command line arguments
|
|
|
|
</a>
|
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|
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</li>
|
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|
<li class="chapter " data-level="8.4.2" data-path="../../nats_streaming/configuring/cfgfile.html">
|
|
|
|
<a href="../../nats_streaming/configuring/cfgfile.html">
|
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|
|
|
|
Configuration file
|
|
|
|
</a>
|
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|
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</li>
|
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|
<li class="chapter " data-level="8.4.3" data-path="../../nats_streaming/configuring/storelimits.html">
|
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|
<a href="../../nats_streaming/configuring/storelimits.html">
|
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|
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Store Limits
|
|
|
|
</a>
|
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<ul class="articles">
|
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|
<li class="chapter " data-level="8.4.3.1" data-path="../../nats_streaming/configuring/storelimits.html">
|
|
|
|
<a href="../../nats_streaming/configuring/storelimits.html#limits-inheritance">
|
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|
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Limits inheritance
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|
|
|
</a>
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</li>
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</ul>
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</li>
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<li class="chapter " data-level="8.4.4" data-path="../../nats_streaming/configuring/persistence.html">
|
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|
<a href="../../nats_streaming/configuring/persistence.html">
|
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Persistence
|
|
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|
</a>
|
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<ul class="articles">
|
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<li class="chapter " data-level="8.4.4.1" data-path="../../nats_streaming/configuring/filestore.html">
|
|
|
|
<a href="../../nats_streaming/configuring/filestore.html">
|
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|
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File Store
|
|
|
|
</a>
|
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|
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<ul class="articles">
|
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<li class="chapter " data-level="8.4.4.1.1" data-path="../../nats_streaming/configuring/filestore.html">
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<a href="../../nats_streaming/configuring/filestore.html#options">
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Options
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</a>
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</li>
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<li class="chapter " data-level="8.4.4.1.2" data-path="../../nats_streaming/configuring/filestore.html">
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<a href="../../nats_streaming/configuring/filestore.html#recovery-errors">
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Recovery Errors
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</a>
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</li>
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</ul>
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</li>
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<li class="chapter " data-level="8.4.4.2" data-path="../../nats_streaming/configuring/sqlstore.html">
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<a href="../../nats_streaming/configuring/sqlstore.html">
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SQL Store
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</a>
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<ul class="articles">
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<li class="chapter " data-level="8.4.4.2.1" data-path="../../nats_streaming/configuring/sqlstore.html">
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<a href="../../nats_streaming/configuring/sqlstore.html#read-and-write-timeouts">
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Read and Write Timeouts
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</a>
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</li>
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<li class="chapter " data-level="8.4.4.2.2" data-path="../../nats_streaming/configuring/sqlstore.html">
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<a href="../../nats_streaming/configuring/sqlstore.html#options">
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Options
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</a>
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</ul>
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</ul>
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</li>
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<li class="chapter " data-level="8.4.5" data-path="../../nats_streaming/configuring/tls.html">
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<a href="../../nats_streaming/configuring/tls.html">
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Securing
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</a>
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<ul class="articles">
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<li class="chapter " data-level="8.4.5.1" data-path="../../nats_streaming/configuring/tls.html">
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<a href="../../nats_streaming/configuring/tls.html#authenticating-users">
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Authenticating Users
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</a>
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</li>
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<li class="chapter " data-level="8.4.5.2" data-path="../../nats_streaming/configuring/tls.html">
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<a href="../../nats_streaming/configuring/tls.html#using-tls">
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TLS
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</a>
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</li>
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</ul>
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</ul>
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</li>
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<li class="chapter " data-level="8.5" data-path="../../nats_streaming/gettingstarted/process-signaling.html">
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<a href="../../nats_streaming/gettingstarted/process-signaling.html">
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Process Signaling
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</a>
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</li>
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<li class="chapter " data-level="8.6" data-path="../../nats_streaming/gettingstarted/windows-service.html">
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<a href="../../nats_streaming/gettingstarted/windows-service.html">
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Windows Service
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</a>
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</li>
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<li class="chapter " data-level="8.7" data-path="../../developer/streaming/embedding.html">
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<a href="../../developer/streaming/embedding.html">
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Embedding NATS Streaming Server
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</a>
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</li>
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<li class="chapter " data-level="8.8" data-path="../../nats_streaming/swarm.html">
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<a href="../../nats_streaming/swarm.html">
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Docker Swarm
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</a>
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<li class="header">NATS Protocol</li>
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<li class="chapter " data-level="9.1" data-path="../../nats_protocol/nats-protocol-demo.html">
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<a href="../../nats_protocol/nats-protocol-demo.html">
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Protocol Demo
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Client Protocol
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<a href="../../nats_protocol/nats-client-dev.html">
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Developing a Client
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</a>
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</li>
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NATS Cluster Protocol
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<!-- Title -->
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<h1>
|
|
<i class="fa fa-circle-o-notch fa-spin"></i>
|
|
<a href="../.." >Services</a>
|
|
</h1>
|
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</div>
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<section class="normal markdown-section">
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<h1 id="services"><a name="services" class="plugin-anchor" href="#services"><i class="fa fa-link" aria-hidden="true"></i></a>Services</h1>
|
|
<p>To share services that other accounts can reach via request reply, you have to <em>Export</em> a <em>Service</em>. <em>Services</em> are associated with the account performing the replies and are advertised in the exporting accounts' JWT.</p>
|
|
<h2 id="adding-a-public-service-export"><a name="adding-a-public-service-export" class="plugin-anchor" href="#adding-a-public-service-export"><i class="fa fa-link" aria-hidden="true"></i></a>Adding a Public Service Export</h2>
|
|
<p>To add a service to your account:</p>
|
|
<pre class="language-"><code class="lang-text">> nsc add export --name "srv" --subject "help" --service
|
|
Success! - added public service export "srv"
|
|
</code></pre>
|
|
<p>To review the service export:</p>
|
|
<pre class="language-"><code class="lang-text">> nsc describe account
|
|
╭────────────────────────────────────────────────────╮
|
|
│ Account Details │
|
|
├──────────────────────────┬─────────────────────────┤
|
|
│ Name │ TestAccount │
|
|
│ Account ID │ AC7PO3MREV26 │
|
|
│ Issuer ID │ OAYI3YUZSWDN │
|
|
│ Issued │ 2019-04-29 14:20:13 UTC │
|
|
│ Expires │ │
|
|
├──────────────────────────┼─────────────────────────┤
|
|
│ Max Connections │ Unlimited │
|
|
│ Max Data │ Unlimited │
|
|
│ Max Exports │ Unlimited │
|
|
│ Max Imports │ Unlimited │
|
|
│ Max Msg Payload │ Unlimited │
|
|
│ Max Subscriptions │ Unlimited │
|
|
│ Exports Allows Wildcards │ True │
|
|
├──────────────────────────┼─────────────────────────┤
|
|
│ Imports │ None │
|
|
╰──────────────────────────┴─────────────────────────╯
|
|
|
|
╭───────────────────────────────────╮
|
|
│ Exports │
|
|
├──────┬─────────┬─────────┬────────┤
|
|
│ Name │ Type │ Subject │ Public │
|
|
├──────┼─────────┼─────────┼────────┤
|
|
│ help │ Service │ help │ Yes │
|
|
╰──────┴─────────┴─────────┴────────╯
|
|
</code></pre>
|
|
<h2 id="importing-a-service"><a name="importing-a-service" class="plugin-anchor" href="#importing-a-service"><i class="fa fa-link" aria-hidden="true"></i></a>Importing a Service</h2>
|
|
<p>Importing a service enables you to send requests to the remote <em>Account</em>. To import a Service, you have to create an <em>Import</em>. To create an import you need to know:</p>
|
|
<ul>
|
|
<li>The exporting account’s public key</li>
|
|
<li>The subject the service is listening on</li>
|
|
<li>You can map the service’s subject to a different subject</li>
|
|
<li>Self-imports are not valid; you can only import services from other accounts.</li>
|
|
</ul>
|
|
<p>To learn how to inspect a JWT from an account server, <a href="../nas/inspecting_jwts.html">check this article</a>.</p>
|
|
<pre class="language-"><code class="lang-text">> nsc add import --src-account AC7PO3MREV26U3LFZFP5BN3HAI32X3PKLBRVMPAETLEHWPQEUG7EJY4H --remote-subject help --service
|
|
Success! - added service import "help"
|
|
</code></pre>
|
|
<p>Verifying our work:</p>
|
|
<pre class="language-"><code class="lang-text">> nsc describe account
|
|
╭────────────────────────────────────────────────────╮
|
|
│ Account Details │
|
|
├──────────────────────────┬─────────────────────────┤
|
|
│ Name │ AccountB │
|
|
│ Account ID │ AAL5Q2B3SMSO │
|
|
│ Issuer ID │ OAYI3YUZSWDN │
|
|
│ Issued │ 2019-04-29 14:37:49 UTC │
|
|
│ Expires │ │
|
|
├──────────────────────────┼─────────────────────────┤
|
|
│ Max Connections │ Unlimited │
|
|
│ Max Data │ Unlimited │
|
|
│ Max Exports │ Unlimited │
|
|
│ Max Imports │ Unlimited │
|
|
│ Max Msg Payload │ Unlimited │
|
|
│ Max Subscriptions │ Unlimited │
|
|
│ Exports Allows Wildcards │ True │
|
|
├──────────────────────────┼─────────────────────────┤
|
|
│ Exports │ None │
|
|
╰──────────────────────────┴─────────────────────────╯
|
|
|
|
╭─────────────────────────────────────────────────────────────────────────╮
|
|
│ Imports │
|
|
├─────────┬─────────┬─────────┬─────────┬─────────┬──────────────┬────────┤
|
|
│ Name │ Type │ Remote │ Local │ Expires │ From Account │ Public │
|
|
├─────────┼─────────┼─────────┼─────────┼─────────┼──────────────┼────────┤
|
|
│ help │ Service │ help │ help │ │ AC7PO3MREV26 │ Yes │
|
|
╰─────────┴─────────┴─────────┴─────────┴─────────┴──────────────┴────────╯
|
|
</code></pre>
|
|
<h3 id="testing-the-service"><a name="testing-the-service" class="plugin-anchor" href="#testing-the-service"><i class="fa fa-link" aria-hidden="true"></i></a>Testing the Service</h3>
|
|
<p>To test the service, we can install the <code>nats-req</code> and <code>nats-rply</code> tools:</p>
|
|
<p>Set up a process to handle the request:</p>
|
|
<pre class="language-"><code class="lang-text">> go get github.com/nats-io/nats.go/examples/nats-rply
|
|
|
|
> nats-rply -creds ~/.nkeys/Test/accounts/AccountB/users/userb.creds "help" "I will help"
|
|
Listening on [help]
|
|
</code></pre>
|
|
<p>Send the request:</p>
|
|
<pre class="language-"><code class="lang-text">> go get github.com/nats-io/nats.go/examples/nats-req
|
|
> nats-req -creds ~/.nkeys/Test/accounts/AccountB/users/userb.creds help me
|
|
Published [help] : 'me'
|
|
</code></pre>
|
|
<p>The service receives the request:</p>
|
|
<pre class="language-"><code class="lang-text">[#1] Received on [help]: 'me'
|
|
</code></pre>
|
|
<p>And the response is received by the requestor:</p>
|
|
<pre class="language-"><code class="lang-text">Received [_INBOX.v6KAX0v1bu87k49hbg3dgn.StIGJF0D] : 'I will help'
|
|
</code></pre>
|
|
<h2 id="securing-services"><a name="securing-services" class="plugin-anchor" href="#securing-services"><i class="fa fa-link" aria-hidden="true"></i></a>Securing Services</h2>
|
|
<p>If you want to create a service that is only accessible to accounts you designate you can create a <em>private</em> service. The export will be visible in your account, but subscribing accounts will require an authorization token that must be created by you and generated specifically for the requesting account.</p>
|
|
<p>Let’s create an account and user for our stream client:</p>
|
|
<pre class="language-"><code class="lang-text">> nsc add account --name AccountB
|
|
Generated account key - private key stored “~/.nkeys/Test/accounts/AccountB/AccountB"
|
|
Success! - added account "AccountB"
|
|
|
|
> nsc add user --name userb
|
|
Generated user key - private key stored "~/.nkeys/Test/accounts/AccountB/users/userb”
|
|
Generated user creds file "~/.nkeys/Test/accounts/AccountB/users/userb.creds"
|
|
Success! - added user “userb” to “AccountB”
|
|
</code></pre>
|
|
<p>The authorization token is simply a JWT signed by your account where you authorize the client account to import your service.</p>
|
|
<h3 id="creating-a-private-service-export"><a name="creating-a-private-service-export" class="plugin-anchor" href="#creating-a-private-service-export"><i class="fa fa-link" aria-hidden="true"></i></a>Creating a Private Service Export</h3>
|
|
<pre class="language-"><code class="lang-text">> nsc add export --name phelp --subject "help.>" --private --service
|
|
Success! - added private service export "phelp"
|
|
</code></pre>
|
|
<p>As before, we declared an export, but this time we added the <code>--private</code> flag. The other thing to note is that the subject for the request has a wildcard. This enables the account to map specific subjects to specifically authorized accounts.</p>
|
|
<pre class="language-"><code class="lang-text">> nsc describe account
|
|
╭────────────────────────────────────────────────────╮
|
|
│ Account Details │
|
|
├──────────────────────────┬─────────────────────────┤
|
|
│ Name │ TestAccount │
|
|
│ Account ID │ AC7PO3MREV26 │
|
|
│ Issuer ID │ OAYI3YUZSWDN │
|
|
│ Issued │ 2019-04-29 14:59:42 UTC │
|
|
│ Expires │ │
|
|
├──────────────────────────┼─────────────────────────┤
|
|
│ Max Connections │ Unlimited │
|
|
│ Max Data │ Unlimited │
|
|
│ Max Exports │ Unlimited │
|
|
│ Max Imports │ Unlimited │
|
|
│ Max Msg Payload │ Unlimited │
|
|
│ Max Subscriptions │ Unlimited │
|
|
│ Exports Allows Wildcards │ True │
|
|
├──────────────────────────┼─────────────────────────┤
|
|
│ Imports │ None │
|
|
╰──────────────────────────┴─────────────────────────╯
|
|
|
|
╭────────────────────────────────────╮
|
|
│ Exports │
|
|
├───────┬─────────┬─────────┬────────┤
|
|
│ Name │ Type │ Subject │ Public │
|
|
├───────┼─────────┼─────────┼────────┤
|
|
│ phelp │ Service │ help.> │ No │
|
|
╰───────┴─────────┴─────────┴────────╯
|
|
</code></pre>
|
|
<h3 id="generating-an-activation-token"><a name="generating-an-activation-token" class="plugin-anchor" href="#generating-an-activation-token"><i class="fa fa-link" aria-hidden="true"></i></a>Generating an Activation Token</h3>
|
|
<p>For the foreign account to <em>import</em> a private service and be able to send requests, you have to generate an activation token. The activation token in addition to granting permission to the account allows you to subset the service’s subject:</p>
|
|
<p>To generate a token, you’ll need to know the public key of the account importing the service.</p>
|
|
<pre class="language-"><code class="lang-text">> nsc generate activation -o /tmp/activation.jwt --target-account AAL5Q2B3SMSO5AS3APJFUNAIKUCEQJPAQ76XEBTVOCQCXXGKP3YMGGN4 --subject "help.AAL5Q2B3SM" --service
|
|
generated "phelp" activation for account "AAL5Q2B3SMSO5AS3APJFUNAIKUCEQJPAQ76XEBTVOCQCXXGKP3YMGGN4".
|
|
JTI is "IY4ZUWLNLOTO5N5UDLOFEBCOMHB6MKQMK4ZELA2BSPKMXSEARXOA"
|
|
</code></pre>
|
|
<p>In the above invocation, we generated an activation redirecting the output to <code>/tmp/activation.jwt</code>. The activation only allows the client account to perform requests on <code>help.AAL5Q2B3SM</code>.</p>
|
|
<p>For completeness, the contents of the JWT file looks like this:</p>
|
|
<pre class="language-"><code class="lang-text">> cat /tmp/activation.jwt
|
|
-----BEGIN NATS ACTIVATION JWT-----
|
|
eyJ0eXAiOiJqd3QiLCJhbGciOiJlZDI1NTE5In0.eyJqdGkiOiJJWTRaVVdMTkxPVE81TjVVRExPRkVCQ09NSEI2TUtRTUs0WkVMQTJCU1BLTVhTRUFSWE9BIiwiaWF0IjoxNTU2NTUwMDczLCJpc3MiOiJBQzdQTzNNUkVWMjZVM0xGWkZQNUJOM0hBSTMyWDNQS0xCUlZNUEFFVExFSFdQUUVVRzdFSlk0SCIsIm5hbWUiOiJoZWxwLkFBTDVRMkIzU00iLCJzdWIiOiJBQUw1UTJCM1NNU081QVMzQVBKRlVOQUlLVUNFUUpQQVE3NlhFQlRWT0NRQ1hYR0tQM1lNR0dONCIsInR5cGUiOiJhY3RpdmF0aW9uIiwibmF0cyI6eyJzdWJqZWN0IjoiaGVscC5BQUw1UTJCM1NNIiwidHlwZSI6InNlcnZpY2UifX0.VFYHPA0e67RFR-XFy7Q7pS90hzZvP5k3OsldjaDrIXP4UdpuQeUhv9qK9EMK40pcgH6NzJ7gmaZLU6RpAcbXAg
|
|
------END NATS ACTIVATION JWT------
|
|
</code></pre>
|
|
<p>When decoded it looks like this:</p>
|
|
<pre class="language-"><code class="lang-text">> nsc describe jwt -f /tmp/activation.jwt
|
|
╭───────────────────────────────────────────╮
|
|
│ Activation │
|
|
├─────────────────┬─────────────────────────┤
|
|
│ Import Type │ Service │
|
|
│ Import Subject │ help.AAL5Q2B3SM │
|
|
│ Account ID │ AAL5Q2B3SMSO │
|
|
│ Issuer ID │ AC7PO3MREV26 │
|
|
│ Issued │ 2019-04-29 15:01:13 UTC │
|
|
│ Expires │ │
|
|
├─────────────────┼─────────────────────────┤
|
|
│ Max Messages │ Unlimited │
|
|
│ Max Msg Payload │ Unlimited │
|
|
│ Network Src │ Any │
|
|
│ Time │ Any │
|
|
╰─────────────────┴─────────────────────────╯
|
|
</code></pre>
|
|
<p>The token can be shared directly with the client account. </p>
|
|
<blockquote>
|
|
<p>If you manage many tokens for many accounts, you may want to host activation tokens on a web server and share the URL with the account. The benefit to the hosted approach is that any updates to the token would be available to the importing account whenever their account is updated, provided the URL you host them in is stable.</p>
|
|
</blockquote>
|
|
<h2 id="importing-a-private-service"><a name="importing-a-private-service" class="plugin-anchor" href="#importing-a-private-service"><i class="fa fa-link" aria-hidden="true"></i></a>Importing a Private Service</h2>
|
|
<p>As with streams, importing a private service is more natural than a public one because the activation token stores all the necessary details. Again, the token can be an actual file path or a remote URL.</p>
|
|
<pre class="language-"><code class="lang-text">> nsc describe account
|
|
╭────────────────────────────────────────────────────╮
|
|
│ Account Details │
|
|
├──────────────────────────┬─────────────────────────┤
|
|
│ Name │ AccountB │
|
|
│ Account ID │ AAL5Q2B3SMSO │
|
|
│ Issuer ID │ OAYI3YUZSWDN │
|
|
│ Issued │ 2019-04-29 15:26:39 UTC │
|
|
│ Expires │ │
|
|
├──────────────────────────┼─────────────────────────┤
|
|
│ Max Connections │ Unlimited │
|
|
│ Max Data │ Unlimited │
|
|
│ Max Exports │ Unlimited │
|
|
│ Max Imports │ Unlimited │
|
|
│ Max Msg Payload │ Unlimited │
|
|
│ Max Subscriptions │ Unlimited │
|
|
│ Exports Allows Wildcards │ True │
|
|
├──────────────────────────┼─────────────────────────┤
|
|
│ Exports │ None │
|
|
╰──────────────────────────┴─────────────────────────╯
|
|
|
|
╭─────────────────────────────────────────────────────────────────────────────────╮
|
|
│ Imports │
|
|
├─────────┬─────────┬─────────────────┬─────────┬─────────┬──────────────┬────────┤
|
|
│ Name │ Type │ Remote │ Local │ Expires │ From Account │ Public │
|
|
├─────────┼─────────┼─────────────────┼─────────┼─────────┼──────────────┼────────┤
|
|
│ help │ Service │ help.AAL5Q2B3SM │ help │ │ AC7PO3MREV26 │ No │
|
|
╰─────────┴─────────┴─────────────────┴─────────┴─────────┴──────────────┴────────╯
|
|
</code></pre>
|
|
<h3 id="testing-the-private-service"><a name="testing-the-private-service" class="plugin-anchor" href="#testing-the-private-service"><i class="fa fa-link" aria-hidden="true"></i></a>Testing the Private Service</h3>
|
|
<p>Start the replier:</p>
|
|
<pre class="language-"><code class="lang-text">> nats-rply -creds ~/.nkeys/Test/accounts/TestAccount/users/TestUser.creds "help.>" "I will help"
|
|
Listening on [help.>]
|
|
</code></pre>
|
|
<p>Send a request:</p>
|
|
<pre class="language-"><code class="lang-text">> nats-req -creds ~/.nkeys/Test/accounts/AccountB/users/userb.creds help me
|
|
Published [help] : 'me'
|
|
</code></pre>
|
|
<p>The service receives the message:</p>
|
|
<pre class="language-"><code class="lang-text">[#1] Received on [help.AAL5Q2B3SM]: 'me'
|
|
</code></pre>
|
|
<p>The requester receives its response:</p>
|
|
<pre class="language-"><code class="lang-text">Received [_INBOX.N3IiqWbiAQfPoINCBpBrUM.ZjBNtkB3] : 'I will help'
|
|
</code></pre>
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if (logos && logos.length == 0) {
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cursor: pointer;
|
|
display: block;
|
|
text-decoration: none;
|
|
color: #27aae1;
|
|
flex-grow: 3;
|
|
text-align: center;
|
|
-webkit-user-select: none;
|
|
-moz-user-select: none;
|
|
-ms-user-select: none;
|
|
user-select: none;
|
|
text-align: center;
|
|
transition: 0.3s background-color ease, 0.3s box-shadow ease;
|
|
height: 50px;
|
|
box-sizing: border-box;
|
|
padding: 15px;
|
|
}
|
|
|
|
.tab+label:hover {
|
|
background-color: #f9f9f9;
|
|
box-shadow: 0 1px 0 #f4f4f4 inset;
|
|
}
|
|
|
|
.tab__content {
|
|
padding: 2px 2px;
|
|
background-color: transparent;
|
|
position: absolute;
|
|
width: 100%;
|
|
z-index: -1;
|
|
opacity: 0;
|
|
left: 0;
|
|
-webkit-transform: translateY(-3px);
|
|
transform: translateY(-3px);
|
|
border-radius: 6px;
|
|
}
|
|
|
|
.tab__content pre {
|
|
margin-bottom: 0px !important;
|
|
}
|
|
|
|
.toolbar-icons {
|
|
display: inline-block;
|
|
position: relative;
|
|
padding-left: 4px;
|
|
}
|
|
|
|
a.toolbar-icons {
|
|
text-decoration: none;
|
|
}
|
|
|
|
.toolbar-icons .mdi {
|
|
color: #4183c4;
|
|
}
|
|
|
|
.copy-msg {
|
|
color: #4183c4;
|
|
}
|
|
|
|
.pull-right {
|
|
float: right !important;
|
|
}
|
|
|
|
.pull-left {
|
|
float: left !important;
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|
}
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|
</style>
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<script>
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window.dataLayer = window.dataLayer || [];
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function gtag(){dataLayer.push(arguments);}
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gtag('js', new Date());
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gtag('config', 'UA-111730698-1');
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</script>
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<script src="../../gitbook/gitbook.js"></script>
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<script src="../../gitbook/theme.js"></script>
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<script src="../../gitbook/gitbook-plugin-toggle-chapters/toggle.js"></script>
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<script src="../../gitbook/gitbook-plugin-edit-link/plugin.js"></script>
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<script src="../../gitbook/gitbook-plugin-search/search-engine.js"></script>
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<script src="../../gitbook/gitbook-plugin-search/search.js"></script>
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<script src="../../gitbook/gitbook-plugin-lunr/lunr.min.js"></script>
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<script src="../../gitbook/gitbook-plugin-lunr/search-lunr.js"></script>
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<script src="../../gitbook/gitbook-plugin-fontsettings/fontsettings.js"></script>
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</body>
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</html>
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