Web services have been chosen for in-depth discussion because they are a well known and extremely important example of an SOA implementation. Many enterprises have already started to implement Web services, and most others have plans to implement them in the future.
Web services are an example of an SOA. One very important thing that Web services have over most other SOA implementations is that they adhere to open standards. The open standards that form the basis of Web services theoretically allow any Web service to interact with any other Web service. Proprietary protocols, data translation, and vendor lock-in become a thing of the past. The menu of solutions for your IT problems grows enormously.
The open standards behind Web ...