A new IETF working group has been proposed in the Security Area as reported end of April:

• Authentication and Authorization for Constrained Environments (ace)
• Current Status: Proposed WG
• Chairs: Hannes Tschofenig, Kepeng Li
  
• Assigned Area Director: Kathleen Moriarty

After successful internal review process by IETF committee, the request was handed over to IESG for external review.

The IESG has not made any determination yet.
The following draft charter was submitted, and is provided for informational purposes only: https://datatracker.ietf.org/doc/charter-ietf-ace/

Deadline for comments to the IESG mailing list (iesg at ietf.org) by 2014-06-14.
Mailing list Address: ace@ietf.org To Subscribe: https://www.ietf.org/mailman/listinfo/ace Archive: http://www.ietf.org/mail-archive/web/ace/current/maillist.html

Links to earlier events around ACE:

• IETF pre-working group ACE - Team meets @ Ericsson
• Charter for ACE Working Group Request Was Handed Over to IETF Committee
• IETF 89 London - Fruitful Discussions on Authorization Issues in Constraint Environments
• IETF 89 London - Security Drafts linked to ACE BOF