Re: [Cbor] Supporting IPv6 Link-Local with scope (was Re: Éric Vyncke's Discuss on draft-ietf-cbor-network-addresses-09: (with DISCUSS and COMMENT))

Brian E Carpenter <brian.e.carpenter@gmail.com> Wed, 06 October 2021 20:42 UTC

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To: Michael Richardson <mcr+ietf@sandelman.ca>, =?UTF-8?Q?=c3=89ric_Vyncke?= <evyncke@cisco.com>, cbor@ietf.org, draft-ietf-cbor-network-addresses@ietf.org, The IESG <iesg@ietf.org>, d3e3e3@gmail.com, barryleiba@computer.org, cbor-chairs@ietf.org
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From: Brian E Carpenter <brian.e.carpenter@gmail.com>
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Date: Thu, 7 Oct 2021 09:42:15 +1300
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Subject: Re: [Cbor] =?utf-8?q?Supporting_IPv6_Link-Local_with_scope_=28was_Re?= =?utf-8?q?=3A_=C3=89ric_Vyncke=27s_Discuss_on_draft-ietf-cbor-network-add?= =?utf-8?q?resses-09=3A_=28with_DISCUSS_and_COMMENT=29=29?=
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Looks good to me.

(I'd be inclined to add a note that the interface id/index has no significance outside the host where it is defined and cite RFC4007, but it's not 
essential.)

Regards
   Brian

On 07-Oct-21 05:18, Michael Richardson wrote:
> 
> Hi, at the CBOR WG meeting this morning, support for IPv6 LL scopes
> was the major topic.
> 
> We added an optional third parameter to the interface definition,
> and made it valid to specify the interface prefix length as "false"
> 
> I hope that I got the CDDL right:
>   https://github.com/cbor-wg/cbor-network-address/blob/main/cbor-network-addresses.mkd#cddl
> 
> Examples:
>   https://github.com/cbor-wg/cbor-network-address/blob/main/cbor-network-addresses.mkd#ipv6
> 
> We also agreed to lowercase all HEX, and to leave Ethernet tags for Donald's
> rfc7042bis.  (despite that being informational and a possible downref issue)
> 
> We agreed that Invalid CBOR is... invalid CBOR, and that the CDDL gives 
the
> details for the limits.
> 
> I have posted a revision -10, which I hope satisfies all of the DISCUSS 
and
> comments:
> 
>   https://www.ietf.org/rfcdiff?url1=draft-ietf-cbor-network-addresses-09&url2=draft-ietf-cbor-network-addresses-10
> 
> 
> 
> --
> Michael Richardson <mcr+IETF@sandelman.ca>   . o O ( IPv6 IøT consulting )
>            Sandelman Software Works Inc, Ottawa and Worldwide
> 
> 
> 
>