Hello All,

I currently have session affinity set up using cookies. Basically I add the
server ID to the cookie, so that a request will always go to that same
server.

backend apps
  balance roundrobin
  cookie SERVERID insert indirect nocache
  server s1 <ip address> maxconn 500 check cookie s1
  server s2 <ip address> maxconn 500 check cookie s2

Based on what I found online, there are other ways to achieve affinity like
source IP. There may be a case where I won't be able to use cookies, and
source IP may not be viable, as there could be one IP that all requests
route through before hitting the load balancer. What are other options?

I read somewhere that headers can also be used? I don't know much about
headers so I am not sure if it will work.

Thanks!

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