Forum Discussion

Altocumulus

Sep 02, 2021

load balancing based on hattp clien data

Hello experts, I have a question, is there a way to balance a traffic based on the payload of an http request? For example, inside an http message (not headers) there are some html tags that must be ...

MVP

Hello Omar.

It's not the most efficient way to do it, but technically it's possible.

HTTP_REQUEST_DATA occurs before the loadbalancing decision (LB_SELECTED).

REF - https://clouddocs.f5.com/training/community/irules/html/class1/module1/iRuleEventsFlowHTTPS.html

You should use the HTTP::payload method to collect the payload in the HTTP_REQUEST event and then apply your logic inside the HTTP_REQUEST_DATA event.

REF - https://clouddocs.f5.com/api/irules/HTTP__payload.html

Regards,

Dario.