W3C home > Mailing lists > Public > ietf-http-wg@w3.org > January to March 2013

Re: http/2 flow control

From: Nico Williams <nico@cryptonector.com>
Date: Fri, 25 Jan 2013 01:18:18 -0600
Message-ID: <CAK3OfOh-akrgw2yqe8mmgVK-fiwDtGu6SJuYVZFNY4aK2snZOA@mail.gmail.com>
To: Roberto Peon <grmocg@gmail.com>
Cc: William Chan (陈智昌) <willchan@chromium.org>, HTTP Working Group <ietf-http-wg@w3.org>
On Thu, Jan 24, 2013 at 4:36 PM, Roberto Peon <grmocg@gmail.com> wrote:
> Will's naming in his email wasn't the best :)
>
> Flow control in SPDY3 was flawed and didn't work. It was solely per-stream
> flow control.

Right, that would fail similarly to SSHv2's.

> What is proposed in his writeup fixes this flaw relatively simply. The most
> relevant line is:
>
>
> It’s important to recognize that stream and session flow control serve two
> separate roles. Session flow control helps manage the memory consumption per
> session, whereas stream flow control helps manage what portion of that that
> memory an individual stream is allowed consume.

Ah, excellent and very clever.  I believe that should work.

> I suggest reading the doc, though!

Sure.  Thanks for picking just the right paragraph to quote.

Nico
--
Received on Friday, 25 January 2013 07:18:41 GMT

This archive was generated by hypermail 2.2.0+W3C-0.50 : Friday, 25 January 2013 07:18:43 GMT