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Re: [Masque] Zaheduzzaman Sarker's Yes on draft-ietf-masque-h3-datagram-10: (with COMMENT)

Zaheduzzaman Sarker <zaheduzzaman.sarker@ericsson.com> Thu, 16 June 2022 09:27 UTC

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From: Zaheduzzaman Sarker <zaheduzzaman.sarker@ericsson.com>
To: David Schinazi <dschinazi.ietf@gmail.com>
CC: The IESG <iesg@ietf.org>, "draft-ietf-masque-h3-datagram@ietf.org" <draft-ietf-masque-h3-datagram@ietf.org>, "masque-chairs@ietf.org" <masque-chairs@ietf.org>, MASQUE <masque@ietf.org>, Christopher Wood <caw@heapingbits.net>
Thread-Topic: Zaheduzzaman Sarker's Yes on draft-ietf-masque-h3-datagram-10: (with COMMENT)
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Date: Thu, 16 Jun 2022 09:26:58 +0000
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Subject: Re: [Masque] Zaheduzzaman Sarker's Yes on draft-ietf-masque-h3-datagram-10: (with COMMENT)
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Thanks for addressing my comments. 

One reflection inline.

//Zahed

> On 16 Jun 2022, at 02:02, David Schinazi <dschinazi.ietf@gmail.com> wrote:
> 
> Thanks for your comments, Zahed!
> Responses inline.
> David
> 
> On Wed, Jun 15, 2022 at 1:25 PM Zaheduzzaman Sarker via Datatracker <noreply@ietf.org <mailto:noreply@ietf.org>> wrote:
> - Section 2 : should it be HTTP/1.x instead of HTTP/1 :-)?
> 
> Agreed, fixed in this commit:
> https://github.com/ietf-wg-masque/draft-ietf-masque-h3-datagram/commit/e9922855baf774abed3612dc26bcb22145e1ad9f <https://protect2.fireeye.com/v1/url?k=31323334-501d5122-313273af-454445555731-1a8332a43397eb6d&q=1&e=6c7a336f-be95-4a3e-bfb3-ab5aae69ee31&u=https%3A%2F%2Fgithub.com%2Fietf-wg-masque%2Fdraft-ietf-masque-h3-datagram%2Fcommit%2Fe9922855baf774abed3612dc26bcb22145e1ad9f>
>  
> - Section 2 : it says
> 
>            "value MUST be treated as an HTTP/3 connection error of type
>            H3_DATAGRAM_ERROR (0x33)"
> 
>      does this mean request stream MUST be aborted as it was also written in
>      the section?
> 
> The text you're referring to discusses what to do when Quarter Stream ID >= 2^60.
> When that happens, multiplying the Quarter Stream ID by four would result in an
> invalid stream ID, so it is impossible to abort that stream. That's why we close the
> entire connection.
Right, that is the behaviour we want. However, it is not obvious if we just state “ treat as an HTTP/3 connection error of type H3_DATAGRAM_ERROR (0x33)” as it seems H3_DATAGRAM_ERROR can result in both stream termination and connection termination. I think we should be explicit about terminating the connection or refer to section 8 of RFC9114 for definition of "connection error". 
> 
> - Section 3 in general : I think we can be specific that "intermediaries" are
> HTTP intermediaries as defined in HTTP semantic , as it is done in the
> draft-masque-connect-udp?
> 
> Agreed, fixed in this commit:
> https://github.com/ietf-wg-masque/draft-ietf-masque-h3-datagram/commit/7328c4fdc84aedd6a69ebfd0fe2df711cad571e7 <https://protect2.fireeye.com/v1/url?k=31323334-501d5122-313273af-454445555731-4c3b00f8a1770c3f&q=1&e=6c7a336f-be95-4a3e-bfb3-ab5aae69ee31&u=https%3A%2F%2Fgithub.com%2Fietf-wg-masque%2Fdraft-ietf-masque-h3-datagram%2Fcommit%2F7328c4fdc84aedd6a69ebfd0fe2df711cad571e7>

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