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Re: Maintenance frame contention vs CONTINUATION

From: Martin Thomson <martin.thomson@gmail.com>
Date: Mon, 21 Apr 2014 16:24:58 -0700
Message-ID: <CABkgnnVeu23fmvK6sgj=nutDWGt8NAVkdVc=qhv2QUyMEmkUbw@mail.gmail.com>
To: David Krauss <potswa@gmail.com>
Cc: HTTP Working Group <ietf-http-wg@w3.org>
On 21 April 2014 16:16, David Krauss <potswa@gmail.com> wrote:
> Do header blocks displace non-content-bearing frames such as PRIORITY, WINDOW_UPDATE, RST_STREAM, PING, and SETTINGS, or is there supposed to be an exception to the rule?

Yes, header blocks clog the pipe.  No exceptions.

Note that header blocks aren't flow controlled, so it's the TCP
congestion window that becomes blocked, if anything.  Thus, the
primary consequence of a large header block is head of line blocking
for everything.
Received on Monday, 21 April 2014 23:25:26 UTC

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