Usage of the Peer-to-Peer Streaming Protocol (PPSP)
draft-zhang-ppsp-usage-08

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PPSP                                                       Hongke Zhang
Internet Draft                                                 Fei song
Intended status: Informational                                    Di Wu
Expires: September 4 2018                                      Mi Zhang
                                                          Tianming Zhao
                                            Beijing Jiaotong University
                                                           March 2 2018

            Usage of the Peer-to-Peer Streaming Protocol (PPSP)
                       draft-zhang-ppsp-usage-08.txt

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Abstract

   This document concerns several significant operation issues of Peer-
   to-Peer Streaming Protocol (PPSP) usage, focusing on two basic modes:
   Leech mode and Seed mode. The related parameters setting for default
   PPSP scenario reference to tracker protocol and peer protocol
   respectively. Besides, the limitations and gaps of current PPSP
   system are identified at with the standpoint of satisfying PPSP
   requirements.

Table of Contents

   1. Introduction  ................................................ 2
   2. Tetminology  ................................................. 3
   3. Operation of PPSP System ..................................... 3
      3.1. Operation Overview ...................................... 3
      3.2. Operation Illustration .................................. 4
   4. Suggestions for parameters Setting in PPSP System ............ 8
      4.1. Parameters Setting in Tracker protocol .................. 9
      4.2. Parameters Setting in Peer protocol ..................... 9
   5. Limitations and Gaps Analysis ................................ 9
   6. Security Consideration ...................................... 10
   7. IANA Considerations  ........................................ 10
   8. References  ................................................. 10
      8.1. Normative References ................................... 10
      8.2. Informative References ................................. 10
   9. Acknowledgements  ........................................... 10

1. Introduction

   The Peer-to-Peer Streaming Protocol (PPSP) supports two kinds of
   streaming which include live and Video on Demand (VoD). It is
   constitutive of two basic protocols: the PPSP peer protocol [RFC7574]
   and the PPSP tracker protocol [I-D.ietf-ppsp-base-tracker-protocol].
   Both of them are proposed from individual perspective based on PPSP
   structure. However, it's unnecessary for end user to understand the
   whole procedure works and the parameters setting when combining
   above two mentioned protocol together in application. What's more,
   the potential limitations of current protocol should also be learnt
   and known to the community.

   The tracker protocol which is proposed in a request/response model
   handles the initial and periodic exchange of meta-information
   between trackers and peers. The peer protocol is supposed to run as
   a gossip like protocol controls the advertising and exchange of

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   media data directly among the peers. It currently runs on the top of
   UDP using LEDBAT for congestion control.

   This document includes several important operation issues in PPSP
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