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Re: [Spud] New Version Notification for draft-hildebrand-spud-prototype-02.txt

Salvatore Loreto <salvatore.loreto@ericsson.com> Sat, 07 March 2015 08:24 UTC

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From: Salvatore Loreto <salvatore.loreto@ericsson.com>
To: Patrick McManus <mcmanus@ducksong.com>
Thread-Topic: [Spud] New Version Notification for draft-hildebrand-spud-prototype-02.txt
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Date: Sat, 07 Mar 2015 08:24:34 +0000
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Cc: Ted Hardie <ted.ietf@gmail.com>, "Joe Hildebrand (jhildebr) <jhildebr@cisco. com>" <jhildebr@cisco.com>, "spud@ietf.org" <spud@ietf.org>
Subject: Re: [Spud] New Version Notification for draft-hildebrand-spud-prototype-02.txt
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> On 06 Mar 2015, at 22:52, Patrick McManus <mcmanus@ducksong.com> wrote:
> 
> 
> Thirdly, is there advice given or implied for middleboxes that see data spud packets on opening tubes? The only thing I really see about the opening state is the diagram - but the diagram applies to the endpoint, not to the middlebox state, right? I'm concerned the text will read like there needs to be a full rtt handshake before data packets can flow on a spud tube and there are counter examples to things we would like to run on spud already.

I agree on this point, I was going to send a similar comment

It should be clear in the spec that the endpoint will be able to send data right after having 
sent the SPUD packet with the "open”command, without have to wait a full rtt 
(i.e. the end point should not be forced to wait for the creation acknowledge of a tube to start sending data)

actually it should be stretched to the point to make possible for the end point to star sending data in the same message containing the
SPUD packet with the “open” command

 /Salvatore

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