Re: [core] draft-ietf-core-hop-limit-01

Klaus Hartke <hartke@projectcool.de> Wed, 12 December 2018 12:58 UTC

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From: Klaus Hartke <hartke@projectcool.de>
Date: Wed, 12 Dec 2018 13:58:06 +0100
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To: mohamed.boucadair@orange.com
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Subject: Re: [core] draft-ietf-core-hop-limit-01
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Mohamed Boucadair wrote:
> What about the following NEW wording:
>
>    The Hop-Limit option is safe to forward.  That is, a CoAP proxy which
>    does not understand the Hop-Limit option should forward it on.  The
>    option is also part of the cache

... key.

> As such, a CoAP proxy

... which does not understand the Hop-Limit option ...

> must follow
>    the recommendations in Section 5.7.1 of [RFC7252] for caching.

>> The option properties of safe-to-forward and part-of-the-cache-key
>> only apply to the case where an intermediary does not understand the
>> option, so the draft needs to be specific about the case when it is
>> understood.
>
> Deal.

đź‘Ť

Klaus