Re: T2 Retry with Delivery Receipt

[Christopher Ferris <chris.ferris@sun.com>]

Precisely.

Cheers,

Chris

Dan Weinreb wrote:
> 
>    Date: Fri, 14 Sep 2001 09:24:42 -0400
>    From: Martin W Sachs <mwsachs@us.ibm.com>
> 
>    Sure but it is an example of how ebxml end to end RM can work through
>    unreliable IMs.
> 
> It's an extremely important point that an SMTP mailer is not an IM.
> 
> The basic scenario involving an SMTP mailer is where the From host
> sends email to host M, running a store-and-foward mailer, and then
> host M later sends email to the To host.  This is *not* a multi-hop
> ebXML MS connection.  It is a single-hop connection.  It is *not* like
> Figure 8-2.  The From MSH calls the communcation layer saying "send
> this message to the To MSH".  If the From MSH is using RM and does not
> get an Acknowledgement, it retries, using plain vanilla hop-to-hop
> retry.  The fact that there is an SMTP mailer in there is entirely
> invisible to the MSH layer.  There is no need in this particular
> example to add end-to-end retry and a RetryCount field in addition to
> hop-by-hop retry, because it's just one hop.
> 
> -- Dan
> 
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