As Web services have matured, they?ve also acquired the need for asynchronous push capabilities. Early Web services were seemingly all remote procedure call (RPC)-oriented. In an RPC system, the receiver normally performs the requested service and sends a response back to the caller over the same connection on which the request arrived, which means the details required by the service for sending a reply are implicit in the RPC network connection. Unfortunately, these kinds of implied communication details are wholly inadequate for asynchronous push Web services.
Index Terms:
Web services, wsdl, ws-events, asynchronous, push
Citation:
Steve Vinoski, "Web Services Notifications," IEEE Internet Computing, vol. 8, no. 2, pp. 86-90, Mar./Apr. 2004, doi:10.1109/MIC.2004.1273491