1) Web service model there are

1) Web service model there are three working roles in the solution of web service model

Service provider, service requester, service registry (optional). There are three operations in the web service model: publishing service description, finding service description, binding or calling services according to service description. 2) Web services protocol stack (soap, WSDL, uddi3) to implement SOA when adopting web services as the implementation technology of SOA, the system should be divided into at least six levels