fwe concept of ServiceMix(ESB)

JBI-- Java Business Integration
BC-Binding Components
SE-Service Engines
SA-service assembly
SU-service unit

the components for ServiceMix comes two flavors
1) Binding Components provide additional transports to the container.
An example: the servicemix-http binding component allows to send messages into the ESB using HTTP
2) Service Engines add support for another type of business logic to the container.
An example: the servicemix-saxon service engine allows you to easily build applications that do XSL-T transformations