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Subject: Negotiation message types, business documents and signing
Dear Marty I have some more questions and comments to the CPA negotiation spec: In 13.12 (page 50) it is not clear to me whether "receiving party" and "sending party" are allways the same or change after each message. Is the acceptance message already accompanied by the signed CPA (if signing is agreed) or does it just return the unchanged CPA? Since there are Accepted and SingleSigned message types I would assume the later is correct, but figure 2 and section 5.2 indicate that the accepted CPA is signed immediately. A corrected version of figure 6 could clarify this. What is the difference between negotiation "messageTypeValue" and "BPSSBusinessDocumentName" in the message schema? Most of them are corresponding but the names for the final transaction differ. It would be less confusing if they were identical. If the last comment on page 52 is the only reason for a difference then I suggest changing the negotiation BPSS instance. The use of either a new CPA_Reject_Final_Doc or a CPA_Reject_Doc for both cases (offer and final) would eliminate the need for differing types. Is "Unsigned" the response to "Accepted" when it was agreed not to sign? Is "Signed" the response to "SinglePartySigned" when it was agreed to sign? "DoubleSigned" instead of "Signed" would be clearer in this case. In section 12.1.7 there are CPA_Final_Response_Doc and CPA_Final_Response_Doc_Signed documents. Why is there only a CPA_Final_Doc and no "CPA_Final_Doc_Signed"? I am looking forward to your new specification draft. Best regards Michael Vetter ________________________________________________________________________ ____ Dipl.-Inform. Michael Vetter CC Electronic Business Integration Fraunhofer IAO (Institut fuer Arbeitswirtschaft und Organisation) mail: Nobelstrasse 12, D-70569 Stuttgart, Germany phone: +49 (0) 711 970 2324 fax: +49 (0) 711 970 5111 email: Michael.Vetter@iao.fhg.de www: www.ebi.iao.fraunhofer.de ________________________________________________________________________ ____
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