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Secure XML: The New Syntax for Signatures and Encryption by Kitty Niles, Donald E. Eastlake

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8.1. Introduction to SOAP

SOAP originally stood for Simple Object Access Protocol, but it is no longer restricted in any way to object access or object-oriented use. Starting with version 1.2, the acronym is no longer officially spelled out; that is, “SOAP” is just a name. Although it originated from an industrial consortium, the XML Protocol Working Group of the W3C now has change control for new versions of SOAP. Here we give an overview of the features that SOAP includes and excludes, examine its relationship to XML, and list the basic SOAP namespaces.

8.1.1. Features Included and Excluded

Draft Version 1.2 [SOAP] includes the following:

  • A definition of a general structure for messages

  • A general processing specification for handling SOAP messages ...

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