What Is SOAP, UDDI And WSDL


  • 11 Dec, 2011

    SOAP (Simple Object Access Protocol) is a simple protocolfor exchange of information. It is based on XML andconsists of three parts: a SOAP envelope (describing what'sin the message and how to process it); a set of encodingrules, and a convention for representing RPCs (RemoteProcedure Calls) and responses.UDDI (Universal Description, Discovery, and Integration) isa specification designed to allow businesses of all sizesto benefit in the new digital economy. There is a UDDIregistry, which is open to everybody. Membership is freeand members can enter details about themselves and theservices they provide. Searches can be performed by companyname, specific service, or types of service. This allowscompanies providing or needing web services to discovereach other, define how they interact over the Internet andshare such information in a truly global and standardizedfashion.WSDL (Web Services Description Language) defines the XMLgrammar for describing services as collections ofcommunication endpoints capable of exchanging messages.Companies can publish WSDLs for services they provide andothers can access those services using the information inthe WSDL. Links to WSDLs are usually offered in a company?sprofile in the UDDI registry.

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