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Re: [6lo] Call for WG adoption of draft-li-6lo-path-aware-semantic-addressing-01

Kerry Lynn <kerlyn@ieee.org> Wed, 08 February 2023 23:29 UTC

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From: Kerry Lynn <kerlyn@ieee.org>
Date: Wed, 08 Feb 2023 18:29:43 -0500
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To: carles.gomez@upc.edu
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Subject: Re: [6lo] Call for WG adoption of draft-li-6lo-path-aware-semantic-addressing-01
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Greetings,

I do not support adoption of this draft by the 6lo WG at this time, but
IETF is run by consensus
and I am just a single voice.

My main reason is that the draft has no Security Considerations section,
and I am not sure the
scheme can be made secure. I believe the WG should always consider the IPv6
"brand" when
it takes on new drafts. At one point, we were quite concerned with privacy
considerations; RFC
8605 stated that global addresses should contain at least 46 bits of
entropy. Recent work in
6man (in the context of draft-ietf-6man-rfc6874bis) examined scripting
attacks that suggest
that at least this much entropy be included in link-local addresses as well.

Second, the fact that routing is based on addressing makes me wonder
whether this effort
would encroach on Routing Area's charter.

Third, one potential application that has been suggested is low-cost
sensors in server racks,
yet I have seen no suggested wired MAC for this application. RFC 8163
covers this base.
If hosts are connected via Ethernet or PLC, why would this scheme be
required?

Perhaps if these areas are addressed?

Respectfully, Kerry Lynn


On Wed, Jan 25, 2023 at 8:50 AM Carles Gomez Montenegro <
carles.gomez@upc.edu> wrote:

> Dear 6lo WG,
>
> As you may recall, the work formerly known as 'NSA' has been modified
> based on the feedback provided by the WG. The work has also been renamed as
> Path-Aware Semantic Addressing (PASA).
>
> The initial version of the PASA draft was presented in IETF 115. The draft
> has been updated to address the comments received. After that, the authors
> have requested a call for adoption of the draft.
>
> This message starts a call for WG adoption for
> draft-li-6lo-path-aware-semantic-addressing-01.
>
> (Link below:
>
> https://datatracker.ietf.org/doc/html/draft-li-6lo-path-aware-semantic-addressing-01
> )
>
> The call will end on the 8th of February 23:59 (UTC).
>
> Please state whether you are in favor of adopting this document.
>
> Also, any comments you may have, and/or expressions of interest to review
> the document, will be very much appreciated.
>
> Thanks,
>
> Shwetha and Carles
> _______________________________________________
> 6lo mailing list
> 6lo@ietf.org
> https://www.ietf.org/mailman/listinfo/6lo
>

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