In OASIS, there has historically been a division of labour between the various ebXML Technical Committees,  with the ebXML Messaging Services specification being responsible for the protocol and message format,  and the ebXML Collaboration Protocols and Agreement TC responsible for the CPPA (Collaboration Protocol Profile/Agreement) configuration formats.   The version 2.0 of CPPA supported ebMS 2.0 since 2004.    The CPPA TC merged with another ebXML TC to become the ebCore Technical Committee. 

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