[AWS]ELB-sticky sessions

Sticky sessions is an advanced load balancing method that allows you to bind a user's session to a specific EC2 instance.

Ensures all requests from that session are sent to the same instance.

Typically utilized with a Classic LB.

Can be enabled for ALB though can only be set on a Target Group not individual EC2 instances.

Cookies are used to remember which EC2 instance.

Useful when specific informaion is only stored locally on a single instance.