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Re: [hybi] permessage-priority extension draft

"John A. Tamplin" <jat@jaet.org> Thu, 23 January 2014 19:23 UTC

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From: "John A. Tamplin" <jat@jaet.org>
Date: Thu, 23 Jan 2014 14:22:36 -0500
Message-ID: <CAM5k6X_gjYoS8Ah64MO84H_r0TDWKh_Eh9_BNHzh9T7mquHhxQ@mail.gmail.com>
To: Tobias Oberstein <tobias.oberstein@tavendo.de>
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Cc: "hybi@ietf.org" <hybi@ietf.org>
Subject: Re: [hybi] permessage-priority extension draft
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On Thu, Jan 23, 2014 at 5:37 AM, Tobias Oberstein <
tobias.oberstein@tavendo.de> wrote:

> What is probably missing is:
>
>
>
> "An intermediary that is not aware of the semantics of negotiated
> extensions MUST ignore the rules that
>
> normally apply to continuation frames (opcode 0) and FIN bit"
>
>
>
> Since without such rule, a (verifying) intermediary unaware of the
> extension semantics might comply
>
> by not changing fragmentation, but still continue checking and (falsely)
> failing the WS connection if
>
> it believes the continuation frame / FIN rules haven't been followed. And
> those rules might have
>
> been changed by the extension.
>

I disagree - I don't think an extension should be allowed to change those
rules.  If you don't even have the framing, then really there is no
standard WebSocket protocol.

-- 
John A. Tamplin

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