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Re: HTTP/2: Race between PUSH_PROMISE and exclusive PRIORITY

From: Martin Thomson <martin.thomson@gmail.com>
Date: Tue, 20 Sep 2016 11:56:42 +1000
Message-ID: <CABkgnnWMErzNM4BcL9jZi=yTbDcyoM8KhvpCWDcGgKu0tZei+w@mail.gmail.com>
To: Kazuho Oku <kazuhooku@gmail.com>
Cc: Tom Bergan <tombergan@chromium.org>, HTTP Working Group <ietf-http-wg@w3.org>
On 20 September 2016 at 11:34, Kazuho Oku <kazuhooku@gmail.com> wrote:
> Therefore, a cautious server implementation would try to retain the
> prioritization states of most-recently-used streams up to
> MAX_CONCURRENT_STREAMS. By doing so, one can get rid of the risk to
> receive a PRIORITY stream relative to the state of a closed stream,
> since a client would never try to open more streams at once than
> MAX_CONCURRENT_STREAMS.

That's not going to work, since the stream limit is unidirectional,
whereas priority applies to both.  Keeping 2xMAX_CONCURRENT_STREAMS
would be closer to what you want (but again, not perfect).
Received on Tuesday, 20 September 2016 01:57:12 UTC

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