There are some similarities between the two; they both support JMS 1.1 and run inside JBoss 4.x.

However ActiveMQ does offer some specific differences and advantages (at least from our perspective)

Performance guides

If you're not convinced by performance reports then please do try running performance tests yourself. You might wanna check out our overview of Performance or try using out the ActiveMQ Performance Module Users Manual

The Commercial Providers on the Support page may also be able to help diagnose performance issues, suggest changes, etc...

More on JBoss Integration

Integrating Apache ActiveMQ with JBoss

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