"[...] we were looking into Servicemix or Mule, but decided against them because of the complexity associated with a more complete ESB, when we really just want a lightweight message router. [...]"
"We are not building the framework upon JBI, because our "component model" is Spring. I should add that there is a lot of hype around the future role of OSGi in this space, and given that we are co-evolving with the Spring Dynamic Modules project, we are particularly well-suited to build upon that. SCA on the other hand is consistent with the concepts of dependency injection, and SpringSource is involved in that initiative, so you can probably expect to see SCA integration at some point."Look at Spring Integration sample and post your opinion about the project.