A New Internet-Draft is available from the on-line Internet-Drafts directories.
Title : DTLS-SRTP Key Transport
Author(s) : D. Wing
Filename : draft-wing-avt-dtls-srtp-key-transport-02.txt
Pages : 26
Date : 2008-07-14
The existing DTLS-SRTP specification allows SRTP keys to be
established between a pair of SRTP endpoints. However, when there
are more than two participants in an RTP session, DTLS-SRTP is unable
to provide a single key for all of the participants. This existing
limitation of DTLS-SRTP prevents deploying DTLS-SRTP in certain
scenarios.
This document describes an extension to DTLS-SRTP, called Key
Transport (KTR). This extension transports SRTP keying material from
one DTLS-SRTP peer to another, so the same SRTP keying material can
be used by multiple DTLS-SRTP peers. This extension eliminates the
need to key each SRTP session individually, allowing cost-effective
deployment of several DTLS-SRTP scenarios.
A URL for this Internet-Draft is:
http://www.ietf.org/internet-drafts/draft-wing-avt-dtls-srtp-key-transport-02.txt
Internet-Drafts are also available by anonymous FTP at:
ftp://ftp.ietf.org/internet-drafts/
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Internet-Draft.
- <ftp://ftp.ietf.org/internet-drafts/draft-wing-avt-dtls-srtp-key-transport-02.txt>
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