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Visual Basic 2005 for Programmers: Deitel Developer Series, Second Edition by Harvey M. Deitel - Deitel & Associates, Inc., Paul J. Deitel - Deitel & Associates, Inc.

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22.5. Session Tracking in Web Services

In Chapter 21, we described the advantages of maintaining information about users to personalize their experiences. In particular, we discussed session tracking using cookies and HttpSessionState objects. We will now incorporate session tracking into a Web service. Suppose a client application needs to call several methods from the same Web service, possibly several times each. In such a case, it can be beneficial for the Web service to maintain state information for the client. Session tracking eliminates the need for information about the client to be passed between the client and the Web service multiple times. For example, a Web service providing access to local restaurant reviews would benefit from ...

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