Network Working Group M. Handley
Internet-Draft UCL
Obsoletes: 4566 (if approved) V. Jacobson
Intended status: Standards Track PARC
Expires: September 12, 2013 C.S. Perkins
University of Glasgow
A. Begen
Cisco
March 11, 2013
SDP: Session Description Protocol
draft-ietf-mmusic-rfc4566bis-08
Abstract
This memo defines the Session Description Protocol (SDP). SDP is
intended for describing multimedia sessions for the purposes of
session announcement, session invitation, and other forms of
multimedia session initiation. This document obsoletes RFC 4566.
Status of This Memo
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This Internet-Draft will expire on September 12, 2013.
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Internet-Draft SDP March 2013
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Table of Contents
1. Introduction . . . . . . . . . . . . . . . . . . . . . . . . 3
2. Glossary of Terms . . . . . . . . . . . . . . . . . . . . . . 4
3. Examples of SDP Usage . . . . . . . . . . . . . . . . . . . . 4
3.1. Session Initiation . . . . . . . . . . . . . . . . . . . 4
3.2. Streaming Media . . . . . . . . . . . . . . . . . . . . . 4
3.3. Email and the World Wide Web . . . . . . . . . . . . . . 4
3.4. Multicast Session Announcement . . . . . . . . . . . . . 5
4. Requirements and Recommendations . . . . . . . . . . . . . . 5
4.1. Media and Transport Information . . . . . . . . . . . . . 6
4.2. Timing Information . . . . . . . . . . . . . . . . . . . 7
4.3. Private Sessions . . . . . . . . . . . . . . . . . . . . 7
4.4. Obtaining Further Information about a Session . . . . . . 7
4.5. Categorisation . . . . . . . . . . . . . . . . . . . . . 7
4.6. Internationalisation . . . . . . . . . . . . . . . . . . 8
5. SDP Specification . . . . . . . . . . . . . . . . . . . . . . 8
5.1. Protocol Version ("v=") . . . . . . . . . . . . . . . . . 11
5.2. Origin ("o=") . . . . . . . . . . . . . . . . . . . . . . 11
5.3. Session Name ("s=") . . . . . . . . . . . . . . . . . . . 12
5.4. Session Information ("i=") . . . . . . . . . . . . . . . 13
5.5. URI ("u=") . . . . . . . . . . . . . . . . . . . . . . . 13
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