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docs: mention acls & sentinel are multi-region

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The reference architecture neglected to mention ACLs and Sentinel
policies are the exception to "no data is shared between regions."
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Michael Schurter 2019-07-29 08:14:20 -07:00
parent 9ec48d27f8
commit 163821c82e
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website/source/guides/install/production/reference-architecture.html.md
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@ -52,7 +52,7 @@ The time taken by a new server to join an existing large cluster may increase as
### <a name="multi-region"></a>Deployment Topology across Multiple Regions
By deploying Nomad server clusters in multiple regions, the user is able to interact with the Nomad servers by targeting any region from any Nomad server even if that server resides in a separate region. Data, however, is not replicated between regions as they are fully independent clusters.
By deploying Nomad server clusters in multiple regions, the user is able to interact with the Nomad servers by targeting any region from any Nomad server even if that server resides in a separate region. However, most data is not replicated between regions as they are fully independent clusters. The exceptions are [ACL tokens and policies][acl], as well as [Sentinel policies in Nomad Enterprise][sentinel], which *are* replicated between regions.
Nomad server clusters in different datacenters can be federated using WAN links. The server clusters can be joined to communicate over the WAN on port `4648`. This same port is used for single datacenter deployments over LAN as well.
@ -129,3 +129,6 @@ In the event of a region-level failure (which would contain an entire Nomad serv
- Read [Deployment Guide](/guides/install/production/deployment-guide.html) to learn
the steps required to install and configure a single HashiCorp Nomad cluster.
[acl]: /guides/security/acl.html
[sentinel]: /guides/governance-and-policy/sentinel/sentinel-policy.html