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| layout | page_title | sidebar_current | description |
|---|---|---|---|
| guides | Federating a Nomad Cluster | guides-cluster-federation | Learn how to join Nomad servers across multiple regions so users can submit jobs to any server in any region using global federation. |
Federating a Cluster
Because Nomad operates at a regional level, federation is part of Nomad core. Federation enables users to submit jobs or interact with the HTTP API targeting any region, from any server, even if that server resides in a different region.
Federating multiple Nomad clusters is as simple as joining servers. From any server in one region, issue a join command to a server in a remote region:
$ nomad server-join 1.2.3.4:4648
Note that only one join command is required per region. Servers across regions discover other servers in the cluster via the gossip protocol and hence it's enough to join just one known server.
If bootstrapped via Consul and the Consul clusters in the Nomad regions are federated, then federation occurs automatically.