Web services are great enablers for the SOA architectures which are neutral of the underlying platform and technology. It can also penetrate through the corporate firewalls, thus acting as a remote control switch. However, at times, we may want to guarantee a few QOS aspects of this service invocation. The reliability of the HTTP transport channel may not be sufficient for scenarios such as this. In this chapter, we will look at how Java JMS, which is a platform-dependent messaging technology, can increase the QOS features of the web services.

So we will look at the following in this chapter: