Am 17.04.2014 20:41, schrieb Bacon Tuna: > I haven't had luck finding white papers or documentation discussing > strategies for running ATS clusters across > multiple data centers or availability zones to support high availability? > > Any chance someone on here can point me in the right direction? > > Do people load balance multiple clusters with separate caches, or do they > employ some mechanism to maintain > consistency across regions?
i would let caches alone, it get's filled alone and has no imprtant data if you only have one backend and some ATS for load-balancing you are completly fine - your spread your load and take a lot of away from the backend server possible resulting in you have no need for more backend servers - the high ability itself of the backend can by something like VMware HA or whatever doing failover if you need more than one backendserver you should take much more care to keep sessions between the backends synchronous to avoid troubles having one request of the same client on two different backend servers and log the client out
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