WS-MetadataExchange
Encyclopedia
WS-MetaDataExchange is a Web Services protocol specification, published by BEA Systems
, IBM
, Microsoft
, and SAP
. WS-MetaDataExchange is part of the
WS-Federation
roadmap; and is designed to work in conjunction with WS-Addressing
, WSDL
and WS-Policy
to allow retrieval of metadata
about a Web Services endpoint..
It uses a SOAP message to request metadata, and so goes beyond the basic technique of appending "?wsdl" to a service name's URL
BEA Systems
BEA Systems, Inc. specialized in enterprise infrastructure software products known as "middleware", which connect software applications to databases and was acquired by Oracle Corporation on April 29, 2008.- History :...
, IBM
IBM
International Business Machines Corporation or IBM is an American multinational technology and consulting corporation headquartered in Armonk, New York, United States. IBM manufactures and sells computer hardware and software, and it offers infrastructure, hosting and consulting services in areas...
, Microsoft
Microsoft
Microsoft Corporation is an American public multinational corporation headquartered in Redmond, Washington, USA that develops, manufactures, licenses, and supports a wide range of products and services predominantly related to computing through its various product divisions...
, and SAP
SAP AG
SAP AG is a German software corporation that makes enterprise software to manage business operations and customer relations. Headquartered in Walldorf, Baden-Württemberg, with regional offices around the world, SAP is the market leader in enterprise application software...
. WS-MetaDataExchange is part of the
WS-Federation
WS-Federation
WS-Federation is an Identity Federation specification, developed by BEA Systems, BMC Software, CA Inc., IBM, Layer 7 Technologies, Microsoft, Novell, Ping Identity, and VeriSign...
roadmap; and is designed to work in conjunction with WS-Addressing
WS-Addressing
WS-Addressing or Web Services Addressing is a specification of transport-neutral mechanisms that allow web services to communicate addressing information...
, WSDL
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...
and WS-Policy
WS-Policy
WS-Policy is a specification that allows web services to use XML to advertise their policies and for web service consumers to specify their policy requirements.WS-Policy is a W3C recommendation as of September 2007....
to allow retrieval of metadata
about a Web Services endpoint..
It uses a SOAP message to request metadata, and so goes beyond the basic technique of appending "?wsdl" to a service name's URL