load balancing metrics



Hi,
We currently load balance proxy servers on the alteon, in transparent
mode so traffic flow generally goes

client--> alteon(inport filter
redirect)-->-proxy(in)--proxy(out)-->-alteon--->internet
internet-->alteon(filter
redirect)-->proxy(out)-->proxy(in)-->alteon-->client

The filters redirct tcp traffic to the real server group. And the
stickyness is acheived by setting thash sip, and dip, and the hash
metric.

This ensures all client sessions with the same ip go through the same
proxy(there are 3 proxy real servers)

My question is can we load balance by another way (not IP stickyness)
but achive session sticyness on the the same proxy, maybe bye using
sport, dport hash or something?

I know that cisco css firewalls use sport+dport hash and therefore give
a better load balance.
Thanks

.



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