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These notes are mainly distilled from the following discussions
http://www.mail-archive.com/tuscany-dev@ws.apache.org/msg28235.htmlhttp://www.mail-archive.com/tuscany-dev@ws.apache.org/msg25100.html
http://www.mail-archive.com/tuscany-dev@ws.apache.org/msg24774.html
http://cwiki.apache.org/confluence/display/TUSCANYWIKI/Classloading+in+Tuscany+SCA+Java
http://cwiki.apache.org/confluence/download/attachments/68801/classloader-dependencies.png
http://cwiki.apache.org/confluence/download/attachments/68801/desired-classloader.png