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Subject: Re: Action Item #0125
Hi all, Here's my attempt at wordsmithing the DA text. I put in an introductory paragraph, which I think captures Chris's intent. Ashok: I haven't taken your concern about the fault case into account, as I think the same text applies for application messages that generate faults. Perhaps I've misunderstood your point. Could you try to change the introduction to cover your concern? -- Each delivery assurance is described in terms external to the RM Destination / Application Destination interface. Some implementations may have advanced capabilities, such as the ability to rollback and retry message processing, but the observable effect must be as described. AtLeastOnce ? each message within the Sequence that is received and acknowledged by the RM Destination is processed to conclusion at least once. Any message in the Sequence that is received and acknowledged by the RM Destination might be processed to conclusion more than once. Duplicate message filtering is not required to achieve this delivery assurance, and SHOULD NOT be applied to the Web service. AtMostOnce ? each message within the Sequence that is received and acknowledged by the RM Destination is processed to conclusion at most once. Any message within the Sequence that is received and acknowledged by the RMD might not be processed to conclusion. Duplicate message filtering is required to achieve this delivery assurance, and MUST be applied to the Web service. ExactlyOnce ? each message within the Sequence that is received and acknowledged by the RM Destination is processed to conclusion exactly once. Duplicate message filtering is required to achieve this delivery assurance, and MUST be applied to the Web service. The Web service SHOULD make every effort to ensure that each message is processed to conclusion. -- Thanks Matt
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