Web services is a technology for deploying, and providing access to, business functions over the World Wide Web.
Web services can help your business by:
The key to achieving all of these things is a common program-to-program communication model, built on existing and emerging standards such as HTTP, XML, SOAP, and WSDL.
The support that WebSphere Message Broker provides for Web services makes it possible for your existing applications to be deployed in new ways, with the minimum amount of reprogramming.