[c-nsp] Regular Expression Load Balancing

Sam Hall Sam.Hall at the-logic-group.com
Thu Mar 10 13:48:55 EST 2011


Hi Guys

We have a couple of Cisco CSS11501's and are exploring the possibility if they can load balance based on text found in packets i.e. "regular expression"...

We need to migrate individual client's traffic one by one to a new environment, this is a TCP 443 session that has no context path and destination IP and port needs to stay the same, so L3-L5 redirection is not possible.

Thought that there must be some L7 inspection that could find a key word i.e. client name in the packet and direct that client to the new environment?   We run apps that use the following:


 *   xml
 *   soap
 *   iso8583
 *   obs
 *   apacs

Any ideas would be very helpful, if the CSS isn't up for the job, any other load balancers suggestions would be welcome...

Thanks in advance



Sam Hall
Senior Network Engineer

direct +44 (0)1252 644 287
email sam.hall at the-logic-group.com<mailto:fsam.hall at the-logic-group.com>

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