W3C Tutorial (12): W3C Soap Activity_HTML/Xhtml_Web Page Production

Web Services are concerned with application-to-application communication. SOAP is an XML-based communication protocol between Web Services.
Web Services are about application-to-application communication.
SOAP is a communication protocol between XML-based Web Services. SOAP Tutorial
SOAP (Simple Object Access Protocol) is a lightweight platform- and language-neutral communication protocol that allows programs to communicate via standard Internet HTTP.
To learn more about SOAP, read our SOAP tutorial. SOAP 1.1
In May 2000, SOAP 1.1 was proposed in a record to the W3C (by developers: IBM, Lotus, Microsoft and Userland) as a protocol for exchanging information in a distributed environment.
The W3C SOAP 1.1 document is just a note for discussion (NOTE). The publication of this record does not imply any degree of endorsement by the W3C. SOAP 1.2
W3C’s XML Protocol Working Group is currently working on SOAP 1.2
The first working draft was published on December 17, 2001.
SOAP 1.2 was published as a W3C Recommendation on June 24, 2003. W3C SOAP specification and timeline Norms Draft/Proposal Recommended SOAP 1.2 Primer June 24, 2003 SOAP 1.2 Primer SE April 27, 2007 SOAP 1.2 Messaging June 24, 2003 SOAP 1.2 Messaging SE April 27, 2007 SOAP 1.2 Adjuncts June 24, 2003 SOAP 1.2 Adjuncts SE April 27, 2007 SOAP 1.2 Test Collection June 24, 2003 SOAP 1.2 Test Collection SE April 27, 2007 SOAP 1.2 Attachments June 8, 2004 SOAP 1.2 Email Bindings July 3, 2002 SOAP 1.2 Normalization October 8, 2003 SOAP 1.2 Serialization June 8, 2004 Web Services Addressing 1.0 - Core May 9, 2006 Web Services Addressing 1.0 - SOAP May 9, 2006 W3C Reference
W3C SOAP Home Page