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A Network Address Translator (NAT) Traversal Mechanism for Media Controlled by the Real-Time Streaming Protocol (RTSP) (RFC7825) Disclosure Number: IPCOM000248703D
Original Publication Date: 2016-Dec-01
Included in the Prior Art Database: 2016-Dec-28
Document File: 66 page(s) / 82K

Publishing Venue

Internet Society Requests For Comment (RFCs)

Related People

J. Goldberg: AUTHOR [+3]


"Real Time Streaming Protocol (RTSP)" [RFC2326] and RTSP 2.0 [RFC7826] are protocols used to set up and control one or more media streams delivering media to receivers. It is RTSP's functionality of setting up media streams that causes serious issues with Network Address Translators (NATs) [RFC3022] unless extra provisions are made by the protocol. Thus, there is a need for a NAT traversal mechanism for the media setup using RTSP.

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Internet Engineering Task Force (IETF)                       J. Goldberg Request for Comments: 7825                                         Cisco Category: Standards Track                                  M. Westerlund ISSN: 2070-1721                                                 Ericsson                                                                  T. Zeng                                                  Nextwave Wireless, Inc.                                                            December 2016

     A Network Address Translator (NAT) Traversal Mechanism for Media          Controlled by the Real-Time Streaming Protocol (RTSP)


   This document defines a solution for Network Address Translation    (NAT) traversal for datagram-based media streams set up and    controlled with the Real-Time Streaming Protocol version 2 (RTSP    2.0).  It uses Interactive Connectivity Establishment (ICE) adapted    to use RTSP as a signaling channel, defining the necessary RTSP    extensions and procedures.

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

Goldberg, et al.             Standards Track                    [Page 1]
 RFC 7825        A Media NAT Traversal Mechanism for RTSP   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    ( in effect on the date of    publication of this document.  Please review these documents    carefully, as they describe your rights and restrictions with respect    to this document.  Code Components extracted from this document must    include Simplified BSD License text as described in Section 4.e of    the Trust Legal Provisions and are provided without warranty as    described in the Simplified BSD License.

Table of Contents

   1. Introduction ....................................................3

   2. Key Wo...