In this post i will give brief introduction about what is a WEB SERVICES? Why WEB SERVICES?
The realness of the SOA Web Services are designed to deliver information to a consumer, or depending upon the operation and will allow a consumer to request that the service manipulates underlying information.
The realness of the SOA Web Services are designed to deliver information to a consumer, or depending upon the operation and will allow a consumer to request that the service manipulates underlying information.
Moreover there are four standards which are core definition of a web service
- Web Service Description Language (WSDL)
- XML Schemas Definition Language (XSD)
- Extensible Markup Language (XML)
- Simple Object Access Protocol (SOAP)
WSDL is the overall service interface definition which is, the WSDL describes the name and location of the service, the operations exposed by the service, and expected input and output defined by the interface.
Web services are XML-based information exchange systems that use the internet for direct application to application interaction. These systems can include programs, objects, messages
Web Service Major Role
Service Provider : This is the service provider
Service Requester : This is the Service Requester
Service Registry : The registry provides a central place where developers can publish new services or find existing ones.
Web Service Protocol
Service Transport: HTTP, SMTP, FTP
XML Message: SOAP
Service Provider : This is the service provider
Service Requester : This is the Service Requester
Service Registry : The registry provides a central place where developers can publish new services or find existing ones.
Web Service Protocol
Service Transport: HTTP, SMTP, FTP
XML Message: SOAP
Service Description: WSDL (Webs service description language)
Service Discovery: UDDI (Universal Description, Discovery, and Integration)
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