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Re: [hybi] first draft of WS mux extension

John Tamplin <jat@google.com> Mon, 24 October 2011 07:52 UTC

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From: John Tamplin <jat@google.com>
Date: Mon, 24 Oct 2011 03:52:30 -0400
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To: Len Holgate <len.holgate@gmail.com>
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Cc: Hybi <hybi@ietf.org>
Subject: Re: [hybi] first draft of WS mux extension
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On Mon, Oct 24, 2011 at 3:37 AM, Len Holgate <len.holgate@gmail.com> wrote:

> This seems nice and clean and pretty easy to implement.
>
> Have you considered removing the "relaxation" of the fragmented frame rules
> from the base protocol (ie the changes that permit the example shown in 7).
>
> I would have thought that if all fragments on mux channels were sent as
> complete messages you could include the actual message's fin bit in the
> extension data of the mux frame and so not change the base protocol at all.
> This would mean that mux could be implemented on existing websocket
> implementations without changing the underlying implementation at all. The
> layer "above" could deal with all aspects of the muxing.
>

That would require an additional framing layer to allow that, and objections
to that is what led to the support in the base spec allowing extensions to
define interleaving behavior.

-- 
John A. Tamplin
Software Engineer (GWT), Google

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