Real-Time Streaming Protocol Version 2.0
RFC 7826

Document Type RFC - Proposed Standard (December 2016; No errata)
Obsoletes RFC 2326
Last updated 2016-12-27
Stream IETF
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Document shepherd Flemming Andreasen
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IESG IESG state RFC 7826 (Proposed Standard)
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Responsible AD Alissa Cooper
IESG note Document Shepherd: Flemming Andreasen (fandreas@cisco.com)
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IANA IANA review state Version Changed - Review Needed
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Internet Engineering Task Force (IETF)                    H. Schulzrinne
Request for Comments: 7826                           Columbia University
Obsoletes: 2326                                                   A. Rao
Category: Standards Track                                          Cisco
ISSN: 2070-1721                                              R. Lanphier

                                                           M. Westerlund
                                                                Ericsson
                                                     M. Stiemerling, Ed.
                                University of Applied Sciences Darmstadt
                                                           December 2016

                Real-Time Streaming Protocol Version 2.0

Abstract

   This memorandum defines the Real-Time Streaming Protocol (RTSP)
   version 2.0, which obsoletes RTSP version 1.0 defined in RFC 2326.

   RTSP is an application-layer protocol for the setup and control of
   the delivery of data with real-time properties.  RTSP provides an
   extensible framework to enable controlled, on-demand delivery of
   real-time data, such as audio and video.  Sources of data can include
   both live data feeds and stored clips.  This protocol is intended to
   control multiple data delivery sessions; provide a means for choosing
   delivery channels such as UDP, multicast UDP, and TCP; and provide a
   means for choosing delivery mechanisms based upon RTP (RFC 3550).

Status of This Memo

   This is an Internet Standards Track document.

   This document is a product of the Internet Engineering Task Force
   (IETF).  It represents the consensus of the IETF community.  It has
   received public review and has been approved for publication by the
   Internet Engineering Steering Group (IESG).  Further information on
   Internet Standards is available in Section 2 of RFC 7841.

   Information about the current status of this document, any errata,
   and how to provide feedback on it may be obtained at
   http://www.rfc-editor.org/info/rfc7826.

Schulzrinne, et al.          Standards Track                    [Page 1]
RFC 7826                        RTSP 2.0                   December 2016

Copyright Notice

   Copyright (c) 2016 IETF Trust and the persons identified as the
   document authors.  All rights reserved.

   This document is subject to BCP 78 and the IETF Trust's Legal
   Provisions Relating to IETF Documents
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   publication of this document.  Please review these documents
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   described in the Simplified BSD License.

   This document may contain material from IETF Documents or IETF
   Contributions published or made publicly available before November
   10, 2008.  The person(s) controlling the copyright in some of this
   material may not have granted the IETF Trust the right to allow
   modifications of such material outside the IETF Standards Process.
   Without obtaining an adequate license from the person(s) controlling
   the copyright in such materials, this document may not be modified
   outside the IETF Standards Process, and derivative works of it may
   not be created outside the IETF Standards Process, except to format
   it for publication as an RFC or to translate it into languages other
   than English.

Table of Contents

   1. Introduction ...................................................10
   2. Protocol Overview ..............................................11
      2.1. Presentation Description ..................................12
      2.2. Session Establishment .....................................12
      2.3. Media Delivery Control ....................................14
      2.4. Session Parameter Manipulations ...........................15
      2.5. Media Delivery ............................................16
           2.5.1. Media Delivery Manipulations .......................16
      2.6. Session Maintenance and Termination .......................19
      2.7. Extending RTSP ............................................20
   3. Document Conventions ...........................................21
      3.1. Notational Conventions ....................................21
      3.2. Terminology ...............................................21
   4. Protocol Parameters ............................................25
      4.1. RTSP Version ..............................................25
      4.2. RTSP IRI and URI ..........................................25
      4.3. Session Identifiers .......................................28
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