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Re: [hybi] Support for sub-protocols on the WebSocket API?

John Tamplin <jat@google.com> Fri, 09 September 2011 18:52 UTC

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From: John Tamplin <jat@google.com>
Date: Fri, 09 Sep 2011 14:54:26 -0400
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To: Clebert Suconic <clebert.suconic@gmail.com>
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Cc: hybi@ietf.org
Subject: Re: [hybi] Support for sub-protocols on the WebSocket API?
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On Fri, Sep 9, 2011 at 2:34 PM, Clebert Suconic
<clebert.suconic@gmail.com>wrote:

> What about session 11.8 on the websocket-protocol:
>
> http://tools.ietf.org/html/draft-ietf-hybi-thewebsocketprotocol-14#section-11.8
>
>
> If I wanted to create an extension (a sub-protocol), I would be able
> to use additional opcodes, right?
>
> Or there's another interpretation here?
>

An extension is not the same as a subprotocol -- extensions can define new
opcodes, subprotocols can't.  Think of subprotocols as a layer on top of
WebSockets.

You could define an extension and make it mandatory for your subprotocol.

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

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