Chapter 25. XCAP
In many services today the service provider needs – in order to carry out a request – to have access to information that can only be set by users. Such services include presence, messaging and conferencing.
In Extensible Markup Language (XML) Configuration Access Protocol (XCAP) a user is able to upload information to an XCAP server, which provides this uploaded information to application servers that use this information to satisfy a request demanded by the user. With XCAP, the user is also allowed to manipulate, add and delete such data. An example of the data that a user can upload is the user's resource list for presence (defined in Section 4.3).
XCAP uses the Hypertext Transfer Protocol (HTTP) to upload and read the information set by users and the Information is represented using XML.
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