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Re: [hybi] Versioning is a anti-pattern

Julian Reschke <julian.reschke@gmx.de> Fri, 03 September 2010 07:32 UTC

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Date: Fri, 03 Sep 2010 09:31:44 +0200
From: Julian Reschke <julian.reschke@gmx.de>
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To: John Tamplin <jat@google.com>
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Cc: hybi <hybi@ietf.org>
Subject: Re: [hybi] Versioning is a anti-pattern
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On 03.09.2010 08:56, John Tamplin wrote:
> ...
> The point is, these clients will still exist whether there is a version
> in new drafts or not.  Even the question of whether you care about
> making them work is orthogonal to the question of whether to put a
> version on them or not.  The only thing having a version does for you is
> to know which version of the protocol the other end is speaking, rather
> than having to guess from the information it sent.  Unless you just send
 > ...

Which might be impossible to do.

 > ...
> something and hope it works, you still ultimately decide "the remote
> endpoint is speaking v76" in either case -- what you do with it after
> that is up to you -- it could be that you drop the connection as
> incompatible, or it could be you speak v76 to it.
> ...

Yes. Sounds like a feature to me, at least before we get to 1.0.

Another benefit is that it might be easier to do comparisons between two 
draft protocols.

Best regards, Julian

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