1.8. JBoss Enterprise SOA Platform Features

The JBoss Enterprise Service Bus (ESB)
The ESB sends messages between services and transforms them so that they can be processed by different types of systems.
Business Process Execution Language (BPEL)
You can use web services to orchestrate business rules using this language. It is included with SOA for the simple execution of business process instructions.
Java Universal Description, Discovery and Integration (jUDDI)
This is the default service registry in SOA. It is where all the information pertaining to services on the ESB are stored.
Smooks
This transformation engine can be used in conjunction with SOA to process messages. It can also be used to split messages and send them to the correct destination.
JBoss Rules
This is the rules engine that is packaged with SOA. It can infer data from the messages it receives to determine which actions need to be performed.