Simple Soap Binding Profile (official abbreviation is SSBP) is a specification from the Web Services Interoperability

Web Services Interoperability

The Web Services Interoperability Organization is an industry consortium chartered to promote interoperability amongst the stack of web services specifications. WS-I does not define standards for web services; rather, it creates guidelines and tests for interoperability...

 industry consortium. It is intended as a support profile for the WS-I Basic Profile

WS-I Basic Profile

The WS-I Basic Profile , a specification from the Web Services Interoperability industry consortium , provides interoperability guidance for core Web Services specifications such as SOAP, WSDL, and UDDI...

.

This profile defines the way WSDL (Web Services Description Language

Web Services Description Language

The Web Services Description Language is an XML-based language that is used for describing the functionality offered by a Web service. A WSDL description of a web service provides a machine-readable description of how the service can be called, what parameters it expects and what data structures...

) documents are to bind operations to a specific transport protocol SOAP

SOAP

SOAP, originally defined as Simple Object Access Protocol, is a protocol specification for exchanging structured information in the implementation of Web Services in computer networks...

.

The Basic Profile 1.0 included the content and function of the Simple Soap Binding Profile. In other words, the Basic Profile 1.0 is roughly equivalent to the Basic Profile 1.1 plus the Simple Soap Binding Profile 1.0.
Now that the Simple Soap Binding Profile is a separate profile, other WS-I documents can re-use (reference) it.

External links

• WS-I SSBP 1.0 Official specifications