[core] Re: I-D Action: draft-ietf-core-groupcomm-bis-16.txt

[Marco Tiloca <[e-mail]>]

Hi all,

This latest version addresses the comments received during IESG evaluation.

Thanks a lot to the reviewers for their comments and feedback!

Best,
/Marco
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From: [e-mail] <[e-mail]>
Sent: Thursday, January 15, 2026 7:57 PM
To: [e-mail] <[e-mail]>
Cc: [e-mail] <[e-mail]>
Subject: [core] I-D Action: draft-ietf-core-groupcomm-bis-16.txt

Internet-Draft draft-ietf-core-groupcomm-bis-16.txt is now available. It is a
work item of the Constrained RESTful Environments (CORE) WG of the IETF.

   Title:   Group Communication for the Constrained Application Protocol (CoAP)
   Authors: Esko Dijk
            Marco Tiloca
   Name:    draft-ietf-core-groupcomm-bis-16.txt
   Pages:   117
   Dates:   2026-01-15

Abstract:

   The Constrained Application Protocol (CoAP) is a web transfer
   protocol for constrained devices and constrained networks.  In a
   number of use cases, constrained devices often naturally operate in
   groups (e.g., in a building automation scenario, all lights in a
   given room may need to be switched on/off as a group).  This document
   specifies the use of CoAP for group communication, including the use
   of UDP/IP multicast as the default underlying data transport.  Both
   unsecured and secured CoAP group communication are specified.
   Security is achieved by use of the Group Object Security for
   Constrained RESTful Environments (Group OSCORE) protocol.  The target
   application area of this specification is any group communication use
   cases that involve resource-constrained devices or networks that
   support CoAP.  This document replaces and obsoletes RFC 7390, while
   it updates RFC 7252 and RFC 7641.

The IETF datatracker status page for this Internet-Draft is:
https://eur05.safelinks.protection.outlook.com/?url=https%3A%2F%2Fdatatracker.ietf.org%2Fdoc%2Fdraft-ietf-core-groupcomm-bis%2F&data=05%7C02%7Cmarco.tiloca%40ri.se%7Cfbd9ebe6738b450b23ec08de54680371%7C5a9809cf0bcb413a838a09ecc40cc9e8%7C0%7C0%7C639041002937334076%7CUnknown%7CTWFpbGZsb3d8eyJFbXB0eU1hcGkiOnRydWUsIlYiOiIwLjAuMDAwMCIsIlAiOiJXaW4zMiIsIkFOIjoiTWFpbCIsIldUIjoyfQ%3D%3D%7C0%7C%7C%7C&sdata=uDRRWYs8ScRTskUVQbbFGDrsJb86cNQsFhHNvYJDar0%3D&reserved=0<https://datatracker.ietf.org/doc/draft-ietf-core-groupcomm-bis/>

There is also an HTML version available at:
https://eur05.safelinks.protection.outlook.com/?url=https%3A%2F%2Fwww.ietf.org%2Farchive%2Fid%2Fdraft-ietf-core-groupcomm-bis-16.html&data=05%7C02%7Cmarco.tiloca%40ri.se%7Cfbd9ebe6738b450b23ec08de54680371%7C5a9809cf0bcb413a838a09ecc40cc9e8%7C0%7C0%7C639041002937355239%7CUnknown%7CTWFpbGZsb3d8eyJFbXB0eU1hcGkiOnRydWUsIlYiOiIwLjAuMDAwMCIsIlAiOiJXaW4zMiIsIkFOIjoiTWFpbCIsIldUIjoyfQ%3D%3D%7C0%7C%7C%7C&sdata=2%2BSpcz0B3FhDH7YtXjZyANHs59wpe07Nb3Fh3FGugJI%3D&reserved=0<https://www.ietf.org/archive/id/draft-ietf-core-groupcomm-bis-16.html>

A diff from the previous version is available at:
https://eur05.safelinks.protection.outlook.com/?url=https%3A%2F%2Fauthor-tools.ietf.org%2Fiddiff%3Furl2%3Ddraft-ietf-core-groupcomm-bis-16&data=05%7C02%7Cmarco.tiloca%40ri.se%7Cfbd9ebe6738b450b23ec08de54680371%7C5a9809cf0bcb413a838a09ecc40cc9e8%7C0%7C0%7C639041002937370968%7CUnknown%7CTWFpbGZsb3d8eyJFbXB0eU1hcGkiOnRydWUsIlYiOiIwLjAuMDAwMCIsIlAiOiJXaW4zMiIsIkFOIjoiTWFpbCIsIldUIjoyfQ%3D%3D%7C0%7C%7C%7C&sdata=mxljDjI7AXRkdGf3saZglJ%2Fq8bkBOkApipvlrVJlXYY%3D&reserved=0<https://author-tools.ietf.org/iddiff?url2=draft-ietf-core-groupcomm-bis-16>

Internet-Drafts are also available by rsync at:
rsync.ietf.org::internet-drafts


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