问题
We were using Application Load balancers earlier and session stickiness worked like a charm. Recently, we switched to the network load balancing and it's not working consistently, to make it worse we don't find any mention of session stickiness around network load balancers. We have the target groups as the backend application servers. Is network load balancer even an option for our use case?
回答1:
I think, session stickiness won't be possible on a TCP level load balancer. The ELB use cookies to implement session stickiness, so it won't be possible on a TCP connection.
来源：https://stackoverflow.com/questions/46912629/aws-network-load-balancing-session-stickiness-not-consistent