JBoss FUSE ESB vs. Apache ServiceMix vs. Apache Karaf vs. Apache Felix

What is JBoss FUSE ESB? And what is its relation to OSGI, Apache Felix, Eclipse Equinox, Apache Karaf and Apache ServiceMix?

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Original post: http://peter-on-java.blogspot.com/2013/06/doing-math-with-fuse-esb-servicemix.html

Tags esb