What are the differences of SOAP 1.1 to SOAP 1.2?
- SOAP 1.1 was developed by and is the property of five companies (Microsoft, IBM, Lotus, Developmentor, and UserLand). SOAP 1.2 is being developed in an open industry forum (W3C) with contributions from 50+ companies, and will be licensed royalty-free.
- The SOAP 1.1 spec is defined in one document. The SOAP 1.2 spec is defined in three documents (a primer, the basic messaging framework, and the adjuncts (RPC convention, SOAP encoding, message exchange patterns, etc.))
- SOAP 1.2 is defined in terms of the XML Infoset.
- The namespaces are different.
- SOAP 1.1 has a number of ambiguities. SOAP 1.2 is much more precise and concrete.
- SOAPAction is required in SOAP 1.1 and optional in SOAP 1.2.
- SOAP faults are different.
- SOAP 1.2 provides support for SOAP versions.
Dig deeper on Simple Object Access Protocol (SOAP)
Related Q&A from Anne Thomas Manes
Anne Thomas Manes explains the differences between open source clients and open source implementations.continue reading
Anne Thomas Manes discusses the best way to go about creating an enterprise data dictionary and why the systems works well.continue reading
Anne Thomas Manes explains the difference between 'hard' real time and 'live' real time systems.continue reading
Have a question for an expert?
Please add a title for your question
Get answers from a TechTarget expert on whatever's puzzling you.