Web service on SAP NetWeaver AS 7.0

1. What is web service?
Definition:
A Web service is an independent, modular, self-describing application function or service. Based on XML standards, this application function can be described, made available, located or called using standard Internet protocols.

2. Creating web service on NW AS 7.0.
1> Create remote enabled function module
   Tcode: SE37
2> Create web service based on RFC function module.
   Tcode: SE80
3> Release Web Services for SOAP Runtime
   Tcode: WSCONFIG
4> Test relased web service.
   Tcode: WSADMIN
   This function needs NW AS JAVA spport.

3. Consuming web service on NW AS 7.0
1> Locate WSDL document.
   You can preview WSDL document with your browser.
2> Create web service proxy object
   Tcode: SE80
3> Create logical port
   Tcode: LPCONFIG
4> Create web service client application.
   Report or Function module