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Re: [hybi] Is it important to know frame length at the start of frame? (was: Re: Discontinuation of mux ...)

Zhong Yu <zhong.j.yu@gmail.com> Mon, 24 February 2014 20:29 UTC

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Date: Mon, 24 Feb 2014 14:29:04 -0600
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From: Zhong Yu <zhong.j.yu@gmail.com>
To: Takeshi Yoshino <tyoshino@google.com>
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Cc: "hybi@ietf.org" <hybi@ietf.org>, Peter Thorson <webmaster@zaphoyd.com>
Subject: Re: [hybi] Is it important to know frame length at the start of frame? (was: Re: Discontinuation of mux ...)
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It there any problem if we mandate that 1 http frame corresponds to 1
ws frame, and 1 ws frame must reside in 1 http frame? What's the point
of supporting ws frames that need multiple http frames?

On Mon, Feb 24, 2014 at 12:28 PM, Takeshi Yoshino <tyoshino@google.com> wrote:
> Thanks all for your comments.
>
> First, please note that I wanted to discuss the question in the context of
> WS/HTTP/2.0 layering. Not about redesign of RFC 6455 itself.
>
> I asked this question since the length header is the biggest field when
> encoded into HTTP/2.0 HEADERS format. Whether we can eliminate it or not in
> WS/HTTP/2.0 is one of the most important points to evaluate the plans
> employing HTTP/2.0 HEADERS.
>
> Though the ranges the length headers represent differ (HTTP/2.0: 14 bit, WS
> length format: 63 bit), it seems everyone can live without a header of
> "original WebSocket frame size".
>
> Please reply to this post if you have any objection, but please don't write
> objection to use of HTTP/2.0 HEADERS itself in this thread.
>
> Thanks

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