Re: Design Issue: Frame Size Items
James M Snell <jasnell@gmail.com> Tue, 07 May 2013 19:03 UTC
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From: James M Snell <jasnell@gmail.com>
Date: Tue, 07 May 2013 12:01:59 -0700
Message-ID: <CABP7RbegQdBMF7i7Zr0sncm0daKaQWXktNoFEY94a697KG75ew@mail.gmail.com>
To: Roberto Peon <grmocg@gmail.com>
Cc: Martin Thomson <martin.thomson@gmail.com>, "ietf-http-wg@w3.org" <ietf-http-wg@w3.org>
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Subject: Re: Design Issue: Frame Size Items
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Roberto, not quite sure I'm following what you're saying. The answer to what exactly shouldn't be in question? On Tue, May 7, 2013 at 11:26 AM, Roberto Peon <grmocg@gmail.com> wrote: > since a frame != the payload of a frame, I think the answer shouldn't be in > question. > A frame includes the framing and overhead bytes, and (regardless of how it > may have been done in the past) the frame-size field either corresponds to > this entity, or needs to be renamed. > -=R > > > On Tue, May 7, 2013 at 11:07 AM, Martin Thomson <martin.thomson@gmail.com> > wrote: >> >> On 7 May 2013 08:19, James M Snell <jasnell@gmail.com> wrote: >> > 1. There is an existing ed note in the draft indicating that we >> > currently do not have any way of specifying the maximum frame size. >> > There are several possibilities: >> > >> > a. We decide we don't need to report a maximum frame size. >> >> This has been discussed. The problem is that you have to then FIX the >> maximum frame size and require that all implementations support that >> size. No one can decide on a goldilocks number: 4096, 8192, 16384, >> 32768 or 65536 have all been variously proposed. Others want to add >> extra bits to the length field to open up other options (i.e., >> petabytes). >> >> > b. We introduce a MAX_FRAME_SIZE setting for the SETTINGS frame. >> >> This introduces another "known state" issue (see Gabriel's issues). >> You have to have a default (see above), and then a robust way to >> change. >> >> > c. We add a headers block to the RST_FRAME and GOAWAY frames ;-) .. >> >> I'm not following you. >> >> > I think I prefer option (a) but (b) works too. >> > >> > 2. In the current draft we say that all implementations MUST be >> > capable of supporting frames up to 8192 octets in length. We don't >> > say, however, whether that size includes the 8-byte header or is that >> > just payload octets? >> >> That's a simple fix. Toss a coin. ;) >> >
- Design Issue: Frame Size Items James M Snell
- RE: Design Issue: Frame Size Items Mike Bishop
- Re: Design Issue: Frame Size Items Martin Thomson
- Re: Design Issue: Frame Size Items Roberto Peon
- Re: Design Issue: Frame Size Items James M Snell
- Re: Design Issue: Frame Size Items James M Snell
- Re: Design Issue: Frame Size Items William Chan (陈智昌)
- Re: Design Issue: Frame Size Items William Chan (陈智昌)
- Re: Design Issue: Frame Size Items Roberto Peon
- Re: Design Issue: Frame Size Items Poul-Henning Kamp
- Re: Design Issue: Frame Size Items William Chan (陈智昌)
- Re: Design Issue: Frame Size Items Martin Thomson
- Re: Design Issue: Frame Size Items William Chan (陈智昌)
- Re: Design Issue: Frame Size Items James M Snell
- Re: Design Issue: Frame Size Items Poul-Henning Kamp
- Re: Design Issue: Frame Size Items James M Snell
- Re: Design Issue: Frame Size Items James M Snell
- Re: Design Issue: Frame Size Items Poul-Henning Kamp