[keycloak-user] Cross-Site Replication

[Stian Thorgersen]

We don't currently support cross-DC replication very well and it is
something we are looking at improving in 2017. We're tackling this in
stages:

1. Dealing with invalidation caches cross-DC - this is already resolved and
is done by using external Infinispan/JDG to replicate invalidation messages
cross-DC. I don't think we have documentation on how to set this up yet
though.
2. Support with sessions affinity to a specific DC - as long as all
requests for a session is made to the same cluster everything should work
already. This is simpler to setup for SAML than for OIDC due to OIDC
backchannel requests from both browser and applications for the same session
3. Support session replication - this requires a fair bit of rework on how
we do sessions, including during authentication flows, as currently there
is to much updates to a session to fully replicate these cross DCs
4. Support without session affinity - allow requests to go to any DC for
any session

On 16 December 2016 at 20:23, Jacobs, Michael <Michael.Jacobs at nuance.com>
wrote:

> Greetings,
>
> I am looking at setting up Cross-site replication for multiple Keycloak
> clusters, possibly using DB replication.  I found this question asked back
> in May 2016, with no reply.
>
> http://lists.jboss.org/pipermail/keycloak-user/2016-May/006142.html
>
> Does anyone know the best way to set this up?
>
>
> MJ
>
>
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