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Subject: Re: reliable messaging


Martin W Sachs wrote:
> 
> I believe that the point is not that the originating MSH doesn't receive
> the ACK but that the originating MSH has exhausted the specified number of
> retries without receiving an ACK.   Manual inquiry may be the right answer
> but this has to be clearly stated in the specification in the hopes that it
> will be propagated up to where the people who have to make the inquiries
> will see it.
> 
> Someone else suggested making the RM protocol transactional, presumably
> with the idea that the received message would not be given to the
> application unless the RM transaction completed successfully.  I don't know
> what that protocol would be but I would guess that it would have extra
> messages back and forth, so it might slow things down for the normal cases.
> 
> Regards,
> Marty
> 
<snip/>

Making the RM protocol transactional would complicate the protocol
considerably. This would be for the realm of ExactlyOnce which the 
TR&P team felt was outside our scope.

Cheers,

Chris


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