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Re: [core] A couple of late comments on Hop-Limit

Christer Holmberg <christer.holmberg@ericsson.com> Wed, 16 October 2019 11:43 UTC

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From: Christer Holmberg <christer.holmberg@ericsson.com>
To: Carsten Bormann <cabo@tzi.org>
CC: "core@ietf.org" <core@ietf.org>
Thread-Topic: [core] A couple of late comments on Hop-Limit
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Date: Wed, 16 Oct 2019 11:42:57 +0000
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Subject: Re: [core] A couple of late comments on Hop-Limit
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Hi,

 >>> On Oct 16, 2019, at 13:26, Christer Holmberg <christer.holmberg@ericsson.com> wrote:
 >>> 
 >>> Specific response codes are useful if you want specific state machine transitions to happen
 >> 
 >>  Specific response codes are also very useful for debugging - especially in this case where one probably 
 >> should start by looking at the network/routing configurations instead of the endpoint implementations.
 >   
 >   When designing CoAP, we made a very conscious decision to separate protocol elements such as response
 >   codes from diagnostic information.  Creating a new response code just for better diagnostics would be out of character for CoAP.
 
  Then one could question the presence of the existing response codes too. But, that would be a waste of time, so let's skip that :)

  Anyway, Q2 has been clarified, so I withdraw the comment. Sorry for the confusion.

  Regards,

  Christer

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