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RE: draft-ietf-httpbis-http2-latest, 6.2 HEADERS, 6.10 CONTINUATION, END_SEGMENT (0x2)

From: <K.Morgan@iaea.org>
Date: Thu, 3 Jul 2014 22:20:42 +0000
To: <martin.thomson@gmail.com>, <hurtta-ietf@elmme-mailer.org>
CC: <ietf-http-wg@w3.org>
Message-ID: <0356EBBE092D394F9291DA01E8D28EC2011870686E@sem002pd>
This is _exactly_ what Greg has been saying about CONTINUATION for a couple of weeks.  It's plain confusing to have an END_STREAM flag that doesn't actually end the stream.  Kari certainly will *not* be the last to be confused.

-keith

________________________________________
From: martin.thomson@gmail.com [martin.thomson@gmail.com]
Sent: 03 July 2014 23:14
To: Kari Hurtta
Cc: HTTPBIS working group mailing list
Subject: Re: draft-ietf-httpbis-http2-latest, 6.2 HEADERS, 6.10 CONTINUATION,  END_SEGMENT (0x2)

On 2 July 2014 21:51, Kari Hurtta <hurtta-ietf@elmme-mailer.org> wrote:
> What "A HEADERS frame that is followed by CONTINUATION frames carries
> the END_STREAM flag that signals the end of a stream." that is exactly
> supposed that say:
>
>    - END_STREAM (0x1)  flag is implicti on CONTINUATION frame
> or
>    - END_STREAM (0x1)  flag bit is actually set on CONTINUATION frame
>      ( although it is not mentioned on section 6.10   CONTINUATION )


I had a little trouble following this email.  But I think that this is
a problem of misunderstanding: CONTINUATION frames don't carry any
frame state.  All the important flags (and END_SEGMENT) are carried on
the frame that precedes CONTINUATION.  The only flag CONTINUATION
carries is END_HEADERS.

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Received on Thursday, 3 July 2014 22:21:19 UTC

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