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RFC 7574
Title: Peer-to-Peer Streaming Peer Protocol (PPSPP)
Author: A. Bakker, R. Petrocco, V. Grishchenko
Status: Standards Track
Stream: IETF
Date: July 2015
Mailbox: [email protected],
[email protected],
[email protected]
Pages: 85
Characters: 208360
Updates/Obsoletes/SeeAlso: None
I-D Tag: draft-ietf-ppsp-peer-protocol-12.txt
URL: https://www.rfc-editor.org/info/rfc7574
DOI: http://dx.doi.org/10.17487/RFC7574
The Peer-to-Peer Streaming Peer Protocol (PPSPP) is a protocol for
disseminating the same content to a group of interested parties in a
streaming fashion. PPSPP supports streaming of both prerecorded (on-
demand) and live audio/video content. It is based on the peer-to-
peer paradigm, where clients consuming the content are put on equal
footing with the servers initially providing the content, to create a
system where everyone can potentially provide upload bandwidth. It
has been designed to provide short time-till-playback for the end
user and to prevent disruption of the streams by malicious peers.
PPSPP has also been designed to be flexible and extensible. It can
use different mechanisms to optimize peer uploading, prevent
freeriding, and work with different peer discovery schemes
(centralized trackers or Distributed Hash Tables). It supports
multiple methods for content integrity protection and chunk
addressing. Designed as a generic protocol that can run on top of
various transport protocols, it currently runs on top of UDP using
Low Extra Delay Background Transport (LEDBAT) for congestion control.
This document is a product of the Peer to Peer Streaming Protocol Working Group
of the IETF.
This is now a Proposed Standard.
STANDARDS TRACK: This document specifies an Internet Standards Track
protocol for the Internet community, and requests discussion and suggestions
for improvements. Please refer to the current edition of the Official
Internet Protocol Standards (https://www.rfc-editor.org/standards) for the
standardization state and status of this protocol. Distribution of this
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