Access Web Services Using
the JMS Channel
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:
What is JMS?
Reliability and web services.
SOAP versus JMS.
JMS supporting components in ServiceMix.
A protocol bridge to convert HTTP to JMS.
A sample demonstrating the binding of web services to a JMS channel.
JMS
JMS defines the standard for a reliable enterprise messaging, also referred to as
MOM. Enterprise messaging provides a reliable and flexible mechanism for the
loosely coupled (asynchronous) exchange of critical business data and events
throughout an enterprise.
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