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<#import "/templates/guide.adoc" as tmpl>
<#import "/templates/links.adoc" as links>
<@tmpl.guide
title="Multi-site deployments"
summary="Connect multiple {project_name} deployments in different sites to increase the overall availability"
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preview="true"
previewDiscussionLink="https://github.com/keycloak/keycloak/discussions/25269" >
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{project_name} supports deployments that consist of multiple {project_name} instances that connect to each other using its embedded Infinispan; load balancers can distribute the load evenly across those instances.
Those setups are intended for a transparent network on a single site.
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The {project_name} high-availability guide goes one step further to describe setups across multiple sites.
While this setup adds additional complexity, that extra amount of high availability may be needed for some environments.
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The different {sections} introduce the necessary concepts and building blocks.
For each building block, a blueprint shows how to set a fully functional example.
Additional performance tuning and security hardening are still recommended when preparing a production setup.
== Concept and building block overview
* <@links.ha id="concepts-active-passive-sync" />
* <@links.ha id="bblocks-active-passive-sync" />
* <@links.ha id="concepts-database-connections" />
* <@links.ha id="concepts-threads" />
* <@links.ha id="concepts-memory-and-cpu-sizing" />
== Blueprints for building blocks
* <@links.ha id="deploy-aurora-multi-az" />
* <@links.ha id="deploy-keycloak-kubernetes" />
* <@links.ha id="deploy-infinispan-kubernetes-crossdc" />
* <@links.ha id="connect-keycloak-to-external-infinispan" />
* <@links.ha id="deploy-aws-route53-loadbalancer" />
== Operational procedures
* <@links.ha id="operate-failover" />
* <@links.ha id="operate-switch-over" />
* <@links.ha id="operate-network-partition-recovery" />
* <@links.ha id="operate-switch-back" />
</@tmpl.guide>
