The SOAP Messaging Standard
At the core of the Web Services story lies the SOAP message standard. The SOAP message is composed of several parts: a header, an envelope, and a body (see Figure 22-3). These elements are used together to create, send, and process a SOAP message.
Figure 22-3. The SOAP message.
The SOAP header provides a generic mechanism for describing the message and provides some mechanisms for defining who should process the message and how features should be managed. Within the SOAP header, a mustUnderstand attribute may be declared to indicate what elements must be understood by the recipient in order to process the message. An ...
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