Encyclopedia of Database Systems

2018 Edition
| Editors: Ling Liu, M. Tamer Özsu


  • Eric WohlstadterEmail author
Reference work entry
DOI: https://doi.org/10.1007/978-1-4614-8265-9_1189


SOAP [1] is an application-level protocol standard used to transport messages in distributed systems. The standard was defined and is maintained by the XML Protocol Working Group of the World Wide Web Consortium. SOAP is commonly used in the context of Web services. SOAP messages are encoded using XML and intended to carry XML encoded application data.

Key Points

SOAP provides a standard to separate infrastructure related data from application data for XML based messages. SOAP messages are known as “envelopes,” which contain both a header, for infrastructure data, and a body for application data. The infrastructure which handles messages for applications is referred to as a “SOAP node.” This role is commonly filled by some middleware platform. The SOAP protocol dictates the rules for the proper processing of messages by nodes on behalf of applications; this includes processing of header information and handling of faults.

The header processing rules are designed to make it...

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Recommended Reading

  1. 1.
    SOAP. Version 1.2, part 1: messaging framework (2nd ed). W3C Recommendation. http://www.w3.org/TR/soap12-part1/.

Copyright information

© Springer Science+Business Media, LLC, part of Springer Nature 2018

Authors and Affiliations

  1. 1.University of British ColumbiaVancouverCanada

Section editors and affiliations

  • H. - Arno Jacobsen
    • 1
  1. 1.Dept. of Elec. and Comp.Eng.Univ. of TorontoTorontoCanada