On 18/05/2004, at 6:57 AM, Gerhard Schmidt wrote:
On Mon, May 17, 2004 at 01:38:15PM -0400, Chris McDonough wrote:
AFAIK Zope is the only appserver that even makes an attempt at allowing
session data to be shared between servers like this. Most other
appservers require you to set up "session affinity" in your load
balancer and have a session database on each appserver.

and nealy every system failed to do so. How do you implement this session affinity. Based on source IP. At the moment every large ISP uses multiple Proxyserver so every request comes from a different IP so the affinity doesnīt work for them. The Proxyserver provided by our Computing Center is also split on at least 8 Hosts, so everyone using this proxy would lose session infomation, getting very strange effekts.

Perhaps you can get some relief by using pound as your load balancer. It is quite capable at sniffing out user sessions including watching the Cookie header. See http://www.apsis.ch/pound/


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