ACE Load Balancing Design L2 Vs L3 Serverfarm

Unanswered Question
Feb 4th, 2010

Hi all,

i have to understand in deep good and bad points of topology L2 (server farm L3 directly connected to ACE) and L3 server farm (of course latency maybe just a bit higher and keepalive to tune well).

have you any experience of remote server farm (maximum 1 hop away)?

PS: i'll use ACE module with SUP72010G and FWSM.

tnx anyway

Das

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UHansen1976 Sun, 02/07/2010 - 11:51

Hi Das,

Well, I've configured all my serverfarms as L3-farms, some of them multible hops away. So far, latency has not been an issue, nor have I felt the need to finetune my probes or spend much time digging into server response time.

I guess it all comes down to your infrastructure and your design scenario, but I would think that directly attached rservers mostly come in handy when deploying your ACE in bridge mode or, for some reason, cannot use client NAT the avoid any possible routing issue.

hth

/Ulrich

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