For those who worked in the VicGas market currently supporting ebMS v1.0, don't underestimate ebMS v2.0, because it has significant differences. Before you get started, I advise you to read the following documents:
ebXML Message Service Specification v2.0 - describes the concept, background, objective and core functionality. Two sections in particular are worth noting. First, ebXML with SOAP, this should give you the technical understanding the transport protocol of messages. Second, Reliable Messaging Module, these optional attributes provide guarantee delivery of messages.
ebXML Collaborative Partner Profile Agreement (CPPA) v2.0 - in ebXML v2.0, CPPA is mandatory, so here is one I prepared earlier.
There are currently two commercial adapters available in the market that supported ebXML v2.0:
If you have further questions, please don't hesitate to contact me.