Piggybacked DTLS Handshakes in SDP

Document Type Expired Internet-Draft (individual)
Author Eric Rescorla 
Last updated 2017-05-04 (latest revision 2016-10-31)
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This Internet-Draft is no longer active. A copy of the expired Internet-Draft can be found at


This document describes a mechanism for embedding DTLS handshake messages in SDP descriptions. This technique allows implementations to shave a full round-trip off of DTLS-SRTP session establishment, while retaining compatibility with ordinary DTLS-SRTP endpoints.


Eric Rescorla (ekr@rtfm.com)

(Note: The e-mail addresses provided for the authors of this Internet-Draft may no longer be valid.)