[apps-discuss] possibleTrace fields registry

Dave CROCKER <dhc@dcrocker.net> Sun, 15 January 2012 19:46 UTC

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Date: Sun, 15 Jan 2012 11:46:12 -0800
From: Dave CROCKER <dhc@dcrocker.net>
Organization: Brandenburg InternetWorking
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Subject: [apps-discuss] possibleTrace fields registry
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Folks,


On 1/14/2012 7:55 PM, John R. Levine wrote:
> It's certainly time for a trace field registry. And I suppose that if we
> have one, adding new trace fields isn't that big a deal.


It would help for folks to explain what the specific need for a "trace fields" 
registry is.  I'm not seeing it.


A registry is for the purpose of coordination.  It allows participants to know 
what exists, either for:

      a)  discovering to use the information, or

      b)  discovery to avoid conflicts in assigning new values


Registries incur a cost, so the associated benefit needs to be quite clear.

      1.  What coordination purpose will be served by the new registry?


We already have a registry to fields[1], so the 'trace' registry would be 
redundant with a subset of the that existing registry.  Redundancy is usually bad.

      2.  Why is redundancy acceptable, here?


d/

[1]  http://tools.ietf.org/html/rfc3864
-- 

   Dave Crocker
   Brandenburg InternetWorking
   bbiw.net