Re: [wsrm] Detailed proposal to allow Batching of Acks and RM faultsusing ResponseReply pattern.

Tony,

 You have took words out of my mouth ;-)

 All,

 I have sent a similar mail to the task group. Attached is that mail
 for a wider audience as the discussion moved to the list
 from the small task force.

 -Sunil

Tony Graham wrote:

> Tom Rutt <> wrote at Fri, 20 Feb 2004 22:44:23 -0500:
> > Sunil Kunisetty wrote:
> > >Tom Rutt wrote:
> ...
> > >>Replace the last two sentence in the above quoted text with the following:
> > >>“
> > >>Acknolwedgements or RM fault indications for former requests MAY also be
> > >>included in the response,
> > >>if they were unable to be returned in their own responses.
> > >
> > > -1.
> > >
> > > In R-R case, when the Sender doesn't receive a response, they will
> > > generally do a retry. So I don't see a need to support this use case.
> >
> > If the ack was not able to be sent due to lost transport connection,
> > then the receving rmp may want to
> > send the ack with the response to a future reliable message.
>
> It is true that it may be useful to resend a lost Acknowledgment in a
> subsequent reliable message, but I don't know that it is all that
> useful to do so when the Acknowledgment is for a message sent using
> the Response reply pattern.
>
> In the Request/Response operation (not One-Way), you would expect that
> the sending application blocks until it receives a response to its
> message.
>
> If the Request/Response message is sent using the Response reply
> pattern, you would also expect both the Acknowledgment and the
> response to the payload message to be in the HTTP response to the sent
> Reliable message.
>
> If the HTTP response is lost or not able to be sent due to a lost
> transport connection, sending the Acknowledgment in a subsequenct
> reliable message maybe helps the RMP but doesn't help the application.
>
> If, for the Response reply pattern, the response is lost, all that
> should be expected is that the sending RMP retries.
>
> Regards,
>
> Tony Graham
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