"There are several different ways I can manage the user sessions on my websites. These involve creating sticky sessions, which are a form of load balancing. Load balancing ensures a specific machine always serves the user sessions. This avoids the need to store the user session information and making it available to all the machines which can serve it. All the requests for a particular session are always redirected to the machine associated with it using SessionId cookies. An issue with using this approach is that the client browser may not support cookies, and a load balancer will not identify it. Also, if one of the machines fails or goes down, the user information served by that machine will be lost along with the user session."
