SOA is simply a way to think when designing systems. Service oriented integration is a way to leverage investments in existing IT systems using the principles of SOA. Apache ServiceMix is an enterprise service bus (ESB) that provides a platform for system integration utilizing reusable components in a service oriented manner. This session will discuss some definitions of an ESB and how to evaluate them, the Java Business Integration (JBI) spec and will perform live software development using Apache ServiceMix.