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nats-server/configuration/gateways/README.md
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@ -21,11 +21,11 @@ Gateways exist to:
* reduce the number of connections required between servers
* optimize the interest graph propagation
If gateways are to be used in a cluster, **all** server of this cluster need to have a gateway configuration with the **same name**. Furthermore, every gateway node needs to be able to **connect to every** other gateway node and vice versa. Everything else is considered a miss configuration.
If gateways are to be used in a cluster, **all** servers of this cluster need to have a gateway configuration with the **same name**. Furthermore, every gateway node needs to be able to **connect to every** other gateway node and vice versa. Everything else is considered a misconfiguration.
## Gateway Connections
A nats-server in a gateway role will specify a port where it will accept gateway connections. If the configuration specifies other _external_ `gateways`, the gateway will create one outbound gateway connection for each gateway in its configuration. It will also gossip other gateways it knows or discovered. Fewer _external_ `gateways` mean less configuration. Ye, the ability to discover more gateways and gateway nodes depends on these server running. This is similar to _seed server_ in cluster. It is recommended to have all _seed server_ of a cluster listed in the `gateways` section.
A nats-server in a gateway role will specify a port where it will accept gateway connections. If the configuration specifies other _external_ `gateways`, the gateway will create one outbound gateway connection for each gateway in it's configuration. It will also gossip other gateways it knows or discovered. Fewer _external_ `gateways` mean less configuration. Ye, the ability to discover more gateways and gateway nodes depends on these servers running. This is similar to _seed server_ in cluster. It is recommended to have all _seed server_ of a cluster listed in the `gateways` section.
If the local cluster has three gateway nodes, this means there will be three outbound connections to each external gateway.