Document Submission
Sakae OKUBO
okubo at GITI.OR.JP
Tue Oct 5 00:18:50 EDT 1999
Sorry, it's too late to comment on this. Annex E was approved in
Santiago. I assume it will be available for ordering from ITU at some
point. The final draft may be available on the picturetel avc site.
Chip
P.S. I noticed that I did not select Reply all when replying to the mail,
but it is sending it to the list anyway.
Chip
At 03:19 PM 9/30/99 -0700, you wrote:
> Hi All,
>
> I have a few concerns about H.323 Annex E proposed document.
> My reference is the "Proposed changes to H.323 Annex E"
> document which was presented at Santiago meeting of SG13/16.
>
> Section E.1.3.2 states Serial Model. It says that Annex E
> stack will wait until a positive reply is returned * for the
> same Session-Identifier *. This means that an outgoing Annex
> E PDU can only contain multiple payloads of the same session
> only. Second, it implies that the sequence number (which is
> present in Annex E PDU header) must be
> unique now across < sender host+port, rcv host+port, session-id>.
>
> We can not make sequence number unique across <sender host+port,
> rcv host+port> only, because the message sequences should be blocking
> only for same session-identifier, as stated by the NOTE appended
> below section E.1.3.2.
>
> The Annex E Ack message, however, only contains the sequence
> number of Annex E PDU. How can the sender of an Annex E PDU
> will distinguish for what session's PDU this ack has come for?
> Because sender might have sent Annex E PDUs with the same
> sequence number for different sessions over a given < sender host+port,
> rcv host+port>.
>
> Am I missing something here. I will appreciate any clarifications
> on the above.
>
> regards,
> Manoj Paul.
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Chip Sharp Consulting Engineering
Cisco Systems Telco Bio-region
Reality - Love it or Leave it.
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