> Yes, this makes sense.
>
> Although I doubt you will lose an entire data center. But an
> intermediate switch can always crash, making the DC inaccessible,
> which
> is the same problem for clients as if the entire DC crashed. Also, if
> we
> implement the follow-the-sun approach, then clients need to be
> switched
> over gracefully from one DC to another one, so this functionality
> definitely needs to be provided.
>
> We probaby need to differentiate between a crash-failover and a
> graceful
> failover; in the latter case, clients can be switched over to the new
> DC
> within a certain time frame, so we minimize load spikes that might be
> caused by switching over all clients at exactly the same time.
>
> I added your comment to
> https://community.jboss.org/wiki/CrossDatacenterReplication-Design,
> so
> we can discuss this next week (we have a meeting on cross-data center
> clustering WED-FRI in London).
> Keep the suggestions coming !
+100
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