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Shepherd writeup

1. Summary

This specification defines two new CBOR tags, 54 and 52, which provide formats
for IPv6 and IPv4 addresses, respectively.  The new tags are intended to be
used in place of the existing 260 and 261 tags, and make a clear distinction
between v6 and v4 while also allowing specification of addresses, prefixes, and
addresses with prefixes.  These new tags are proposed as standard tags, so the
document is a Proposed Standard.

The document shepherd is Barry Leiba; the responsible AD is Francesca Palombini.

2. Review and Consensus

The document is a simple one, and had discussion among a relatively small group
of participants.  On request during working group last call we confirmed that
the support in the working group is broad, and that the working group as a
whole agrees with it.  External reviews have been requested during WGLC and
received from OpsDir and IoTDir.  Discussion in general has been largely
editorial.  There are broad plans to implement these tags; the desire for the
features provided here, noting how 260 and 261 are lacking, was the reason for
creating this.

There has been some late discussion to do with zone index, which might continue
during IETF-wide last call.  At this time, we don't think changes are needed as
a result of that discussion.

3. Intellectual Property

The authors are in full compliance with BCPs 78 and 79, and there have been no
IPR issues raised.

4. Other Points

There is nothing else of note here.