Re: [v6ops] Scope of Unique Local IPv6 Unicast Addresses (Fwd: New Version Notification for draft-gont-6man-ipv6-ula-scope-00.txt)

Michael Richardson <mcr+ietf@sandelman.ca> Sat, 13 February 2021 18:34 UTC

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From: Michael Richardson <mcr+ietf@sandelman.ca>
To: David Farmer <farmer=40umn.edu@dmarc.ietf.org>, IPv6 Operations <v6ops@ietf.org>, "6man\@ietf.org" <6man@ietf.org>
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Date: Sat, 13 Feb 2021 13:34:50 -0500
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Subject: Re: [v6ops] Scope of Unique Local IPv6 Unicast Addresses (Fwd: New Version Notification for draft-gont-6man-ipv6-ula-scope-00.txt)
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David Farmer <farmer=40umn.edu@dmarc.ietf.org> wrote:
    > So, I think we need a third scope, I propose the "Admin Scope", or the
    > "Admin-Limited Scope", but I'm open to other ideas for the
    > name. However, it can't be Site-Local, we deprecated that. Further,
    > this third scope, while in many cases will be a Site, it also needs to
    > cover multi-site enterprises and even confederations and cooperating
    > Autonomous Systems, which go well beyond any reasonable definition of a
    > Site.

I am happy with Admin Scope.
RFC7346 also clarified Realm Scope for multicast.

We needed this (Realm) in LLNs that use different kinds of L2s, (such as
BTLE+802.15.4, or wifi+wired) but wished to multicast across it all.

--
Michael Richardson <mcr+IETF@sandelman.ca>   . o O ( IPv6 IøT consulting )
           Sandelman Software Works Inc, Ottawa and Worldwide