A new IETF WG has been formed in the Applications and Real-Time Area. For
additional information, please contact the Area Directors or the WG Chairs.

Revise Universally Unique Identifier Definitions (uuidrev)
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Current status: Proposed WG

Chairs:
  Jim Fenton <fen...@bluepopcorn.net>
  Michael Richardson <mcr+i...@sandelman.ca>

Assigned Area Director:
  Murray Kucherawy <superu...@gmail.com>

Applications and Real-Time Area Directors:
  Murray Kucherawy <superu...@gmail.com>
  Francesca Palombini <francesca.palomb...@ericsson.com>

Mailing list:
  Address: uuid...@ietf.org
  To subscribe: https://www.ietf.org/mailman/listinfo/uuidrev
  Archive: https://mailarchive.ietf.org/arch/browse/uuidrev/

Group page: https://datatracker.ietf.org/group/uuidrev/

Charter: https://datatracker.ietf.org/doc/charter-ietf-uuidrev/

Since the publication of RFC 4122 in 2005, a number of additional versions
of universally unique IDs (UUIDs) have been proposed. A number of errata
have also been verified against the original specification, motivating
a full revision of the UUID specification with the additional versions added.

This working group will produce a standard-track RFC4122bis specification
based on limited review of RFC4122 that will include resolution of verified or
held errata and incorporation of the following additional UUID versions,
using draft-peabody-dispatch-new-uuid-format as a guide:

- Field-compatible version of UUIDv1 optimized for improved database locality
- Time-ordered UUID based on Unix epoch timestamp
- UUID version for vendor-specific use cases

Other aspects of UUIDs, such as alternative representations and UUIDs that
are other than 128 bits in length, will also be considered and the working
group may produce specifications on those topics.  They will not be
considered, however, prior to completion of RFC4122bis, and such milestones
will be negotiated with the responsible AD prior to work commencing.

Milestones:

  Mar 2023 - Submit RFC4122bis to the IESG for publication as Proposed
  Standard



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