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UDP Transport Layer (UDPTL) over Datagram Transport Layer Security (DTLS)

Approval announcement
Draft of message to be sent after approval:


From: The IESG <>
To: IETF-Announce <>
Cc: RFC Editor <>,
    mmusic mailing list <>,
    mmusic chair <>
Subject: Protocol Action: 'UDP Transport Layer (UDPTL) over Datagram Transport Layer Security (DTLS)' to Proposed Standard (draft-ietf-mmusic-udptl-dtls-10.txt)

The IESG has approved the following document:
- 'UDP Transport Layer (UDPTL) over Datagram Transport Layer Security
  (draft-ietf-mmusic-udptl-dtls-10.txt) as Proposed Standard

This document is the product of the Multiparty Multimedia Session Control
Working Group.

The IESG contact persons are Alissa Cooper and Richard Barnes.

A URL of this Internet Draft is:

Ballot Text

Technical Summary

The document specifies how the UDP Transport Layer (UDPTL) protocol,
the predominant transport protocol for T.38 fax, can be transported
over the Datagram Transport Layer Security (DTLS) protocol, how the
usage of UDPTL over DTLS is indicated in the Session Description
Protocol (SDP), and how UDPTL over DTLS is negotiated in a session
established using the Session Initiation Protocol (SIP).

Working Group Summary

There has been no controversy on the document. On the contrary in fact with both quick WG interest and adoption as well as review and finalization. 

Document Quality

There are no known implementations of the protocol, however it has been adopted by 3GPP. There are no new Media Types, MIBs, etc. and hence no special reviews. 


Flemming Andreasen is the document shepherd. Alissa Cooper is the responsible area director.

RFC Editor Note