Stream Control Transmission Protocol (SCTP)-Based Media Transport in the Session Description Protocol (SDP)

The information below is for an old version of the document
Document Type Expired Internet-Draft (mmusic WG)
Authors Christer Holmberg  , Salvatore Loreto  , Gonzalo Camarillo 
Last updated 2015-09-06 (latest revision 2015-03-05)
Replaces draft-loreto-mmusic-sctp-sdp
Stream Internet Engineering Task Force (IETF)
Expired & archived
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This Internet-Draft is no longer active. A copy of the expired Internet-Draft can be found at


SCTP (Stream Control Transmission Protocol) is a transport protocol used to establish associations between two endpoints. This specification describes how to describe SCTP associations using the Session Description Protocol (SDP), and defines the following new SDP Media Description protocol identifiers (proto values):'SCTP', 'SCTP/DTLS', 'UDP/DTLS/SCTP' and 'TCP/DTLS/SCTP'. The specification also describes how to use the new proto values together with the SDP Offer/Answer mechanism in order to negotiate and establish SCTP associations, and how to indicate the SCTP application usage.


Christer Holmberg (
Salvatore Loreto (
Gonzalo Camarillo (

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