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Re: [Editorial Errata Reported] RFC7540 (4871)

Benedikt Christoph Wolters <benedikt.wolters@rwth-aachen.de> Wed, 30 November 2016 11:37 UTC

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From: Benedikt Christoph Wolters <benedikt.wolters@rwth-aachen.de>
Date: Wed, 30 Nov 2016 12:32:20 +0100
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To: Cory Benfield <cory@lukasa.co.uk>
CC: RFC Errata System <rfc-editor@rfc-editor.org>, Mike Belshe <mike@belshe.com>, fenix@google.com, Martin Thomson <martin.thomson@gmail.com>, ben@nostrum.com, alissa@cooperw.in, aamelnikov@fastmail.fm, Patrick McManus <pmcmanus@mozilla.com>, Mark Nottingham <mnot@mnot.net>, ietf-http-wg@w3.org
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Subject: Re: [Editorial Errata Reported] RFC7540 (4871)
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2016-11-30 9:41 GMT+01:00 Cory Benfield <cory@lukasa.co.uk>:
> What happens if both stream A and B are blocked? Should my server endeavour to serve dependent streams in that case? I *think* the answer is yes because of the logic around having grouping nodes formed from idle streams, but I’m not 100% sure and would like clarification.

Section 5.3.4 Prioritization State Management states:
> Resources are shared between streams with the same parent stream, which means that if a stream in that set closes or becomes blocked, any spare capacity allocated to a stream is distributed to the immediate neighbors of the stream.

In my understanding in your example A and B are blocked, C and D are
immediate neighbors of A so according to this they would get the
resources of A.

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