Proxy Protocol support in Network Load Balancing

[Charlie Moad]

Is there Proxy Protocol support in the Network Load Balancers? We're trying to scale a web socket application running in Mesos/Marathon and need to the client information to ensure sessions are sticky.

ref: http://blog.haproxy.com/haproxy/proxy-protocol/

[Faizan (Google Cloud Support)]

Hello Charlie,

The Network load balancer receives the initial connection from the client and forwards it to the instance and receiving instance has direct server return. As such, proxy protocol doesn't seem to apply to Network load balancer, as it is designed to work around a proxying LB. With that said, you can take a look at HTTP/HTTPS load balancer which probably fulfills your use case. 

You can also file a feature request for Network load balancer proxy protocol on GCE issue tracker. Don't forget to provide detailed information(e.g use case, steps to repro etc) when filling the request.

I hope that helps.

Faizan