This chapter provides tutorial notes and example codes on WSDL 1.1 Binding Extension for SOAP 1.2. Topics include 7 extension elements: binding, operation, body, fault, header, headerfault, and address with descriptions and examples.
Binding Extension for SOAP 1.2 is an extension of the WSDL 1.1 framework
defined in 2006.
Binding Extension for SOAP 1.2 supports SOAP over HTTP, SOAP over SMTP, etc.
The difference between Binding Extension for SOAP 1.1 and SOAP 1.2 are small:
namespace URIs are different and soapActionRequired="true|false" is added.