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Chapter 50. Managing Session State in Clusters

IN THIS CHAPTER

What Is Session State? 93

The History of Managing State 94

Options for Managing Session State 95

What Is Session State?

The Web is a stateless environment. Every HTTP request or response to your Web server opens a connection, but after the action has completed, the connection is closed. These requests and responses contain no information to tell the server to associate a request with previous or subsequent requests. Session state is the process of associating a series of HTTP requests and responses with a unique user, and keeping a set of variables for that session.

Note

A user session, not to be confused with a session variable, is defined as a related series of HTTP requests ...