ebMS TC members, I'd like to raise an issue about RefToMessageId element usage. In the usage, there is a mismatch between ebMS specification and CPPA specification. CPPA V2.0 specification says: Appendix F Correspondence Between CPA and ebXML Messaging Parameters (Normative) ... RefToMessageId element ... SHOULD be used for correlating response messages with request messages (p.150) The description means that a business response message SHOULD use RefToMessageId, even if the message is not specific types of message: Acknowledgment, Error, StatusResponse or Pong Message. However the ebMS specification V2.0 does not specify such RefToMessageId usage. In the specification, RefToMessageId is used by only the specific types of message. The RefToMessageId usage described by CPPA specification seems popular. Please add this issue to ebMS issue list to resolve this mismatch between ebMS and CPPA specification. Regards, -- SHIMAMURA Masayoshi <
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