|Web Service Description Language |
The Web Services Description Language (WSDL) is an XML-based language used
to describe the services a business offers and to provide a way for individuals
and other businesses to access those services electronically. WSDL is the
cornerstone of the Universal Description, Discovery, and Integration (UDDI)
initiative spearheaded by Microsoft, IBM, and Ariba. UDDI is an XML-based
registry for businesses worldwide, which enables businesses to list themselves
and their services on the Internet. WSDL is the language used to do this.
WSDL is derived from Microsoft's
Simple Object Access Protocol (SOAP) and IBM's Network Accessible Service
Specification Language (NASSL). WSDL replaces both NASSL and SOAP as the means
of expressing business services in the UDDI registry.
information visit: http://www.w3.org/TR/wsdl