36 Migrating Applications from WebLogic, JBoss and Tomcat to WebSphere V6
3.2 Application servers interoperability
In recent years, the concept of universal interoperability became widely
accepted. It is called Enteprise Service Bus (ESB). IBM and many other vendors
see ESB as an architectural pattern that can be implemented in different ways
using different protocols and products.
In Table 3-1 on page 38, Table 3-2 on page 40 and Table 3-3 on page 41, we
have tried to summarize some of these considerations as they apply to J2EE
application servers. Following is a description of each protocol that may be used
to interoperate between different application server instances as well as between
different vendor products.
BEA T3
This is a proprietary ...