Adaptive Video Streaming over Information-Centric Networking (ICN)
RFC 7933

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Internet Research Task Force (IRTF)                     C. Westphal, Ed.
Request for Comments: 7933                                        Huawei
Category: Informational                                       S. Lederer
ISSN: 2070-1721                                                 D. Posch
                                                             C. Timmerer
                                       Alpen-Adria University Klagenfurt
                                                                A. Azgin
                                                                  W. Liu
                                                                  Huawei
                                                              C. Mueller
                                                                BitMovin
                                                                A. Detti
                                          University of Rome Tor Vergata
                                                               D. Corujo
                                    Instituto de Telecomunicacoes Aveiro
                                                                 J. Wang
                                            City University of Hong Kong
                                                            M. Montpetit
                                                                     MIT
                                                               N. Murray
                                         Athlone Institute of Technology
                                                             August 2016

   Adaptive Video Streaming over Information-Centric Networking (ICN)

Abstract

   This document considers the consequences of moving the underlying
   network architecture from the current Internet to an Information-
   Centric Networking (ICN) architecture on video distribution.  As most
   of the traffic in future networks is expected to be video, we
   consider how to modify the existing video streaming mechanisms.
   Several important topics related to video distribution over ICN are
   presented.  The wide range of scenarios covered includes the
   following: evolving Dynamic Adaptive Streaming over HTTP (DASH) to
   work over ICN and leverage the recent ISO/IEC Moving Picture Experts
   Group (MPEG) standard, layering encoding over ICN, introducing
   distinct requirements for video using Peer-to-Peer (P2P) mechanisms,
   adapting the Peer-to-Peer Streaming Protocol (PPSP) for ICN, creating
   more stringent requirements over ICN because of delay constraints
   added by Internet Protocol Television (IPTV), and managing digital
   rights in ICN.  Finally, in addition to considering how existing
   mechanisms would be impacted by ICN, this document lists some
   research issues to design ICN-specific video streaming mechanisms.

Westphal, et al.              Informational                     [Page 1]
RFC 7933                   ICN Video Streaming               August 2016

Status of This Memo

   This document is not an Internet Standards Track specification; it is
   published for informational purposes.

   This document is a product of the Internet Research Task Force
   (IRTF).  The IRTF publishes the results of Internet-related research
   and development activities.  These results might not be suitable for
   deployment.  This RFC represents the consensus of the Information-
   Centric Networking Research Group of the Internet Research Task Force
   (IRTF).  Documents approved for publication by the IRSG are not a
   candidate for any level of Internet Standard; see 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/rfc7933.

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
   (http://trustee.ietf.org/license-info) 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.

Table of Contents

   1.  Introduction  . . . . . . . . . . . . . . . . . . . . . . . .   4
   2.  Conventions Used in This Document . . . . . . . . . . . . . .   4
   3.  Use Case Scenarios for ICN and Video Streaming  . . . . . . .   5
   4.  Video Download  . . . . . . . . . . . . . . . . . . . . . . .   6
   5.  Video Streaming and ICN . . . . . . . . . . . . . . . . . . .   7
     5.1.  Introduction to Client-Driven Streaming and DASH  . . . .   7
     5.2.  Layered Encoding  . . . . . . . . . . . . . . . . . . . .   8
     5.3.  Interactions of Video Streaming with ICN  . . . . . . . .   8
       5.3.1.  Interactions of DASH with ICN . . . . . . . . . . . .   8
       5.3.2.  Interaction of ICN with Layered Encoding  . . . . . .  10