Stateful SOAP Web services The GWS provides support for stateful service. Different options for implementing SOAP stateful services are described. ConceptA stateful service is a service that maintains a context between a Web services client and server.WS-Addressing 1.0 stateful servicesWS-Addressing 1.0 uses the WS-Addressing EndpointReference type as a state variable to maintain a stateful service. Stateful services based on HTTP cookiesA stateful service based on HTTP cookies uses the HTTP transport protocol and its ability to transmit cookies, used as session context.