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P4P Working Group. Doug Pasko, Co-Chair, Verizon Laird Popkin, Co-Chair, Pando Haiyong Xie, Principle P4P Researcher, LANS, Yale. P4P Mission Statement.

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p4p working group
P4P Working Group
  • Doug Pasko, Co-Chair, Verizon
  • Laird Popkin, Co-Chair, Pando
  • Haiyong Xie, Principle P4P Researcher, LANS, Yale
p4p mission statement
P4P Mission Statement
  • To work jointly and cooperatively with leading Internet service providers (ISPs), peer-to-peer (P2P) software distributors, and technology researchers to ascertain appropriate and voluntary best practices to accelerate distribution of content and optimize utilization of ISP network resources in order to provide the best possible performance to end-user customers
p4p enables efficient delivery
P4P Enables Efficient Delivery

P2P

P2P with P4P

Traditional CDN

Internet Transit

Regional Routers

Edge Network

More Viewers =

Better performance

Lower cost

More Viewers =

Worse performance

Higher cost

Network Aware P2P will reduce costs, improve performance

8

p4p architecture

pTracker

iTracker

2

P4P: Architecture

3

4

1

peer

ISP A

  • Use BitTorrent in a single ISP as an example
    • pTracker runs P2P system
    • iTracker makes suggestions for peering relationships
  • Information flow:
    • peer queries pTracker
    • pTracker asks iTracker for guidance (occasionally)
    • iTracker returns high-level peering suggestions
    • pTracker selects and returns a set of active peers, according to the suggestions
  • iTracker can be run by trusted third parties, P2P network, or ISP’s.

10

network map illustration
Network Map (Illustration)

70%

PID1

PID2

20%

30%

PID6

PID3

10%

  • Each PID has:
  • IP “prefix”
  • Uplink/Downlink Capacity
  • Links (with weights)
  • Links weights are directional.

60%

PID5

PID4

weight matrix illustration
Weight Matrix (Illustration)

Are connected to users in these PID’s

Users

in

PID’s

p4p test methodology
P4P Test Methodology
  • Simulations by Yale on data from AT&T, Telefonica, Verizon
  • Field Test by Telefonica, Verizon, Yale and Pando.
p4p architecture for test
P4P Architecture (for test)

P2P

Clients

P2P

Tracker

  • iTracker is intermediary between ISP’s and P2P’s
    • Can be operated by ISP’s
    • Can be operated by third parties

ISP

iTracker

Telefonica

Weight Matrix

Yale

Pando

Network

Maps

Peer Loc’s

Verizon

p4p test results12
P4P Test Results

FTTH 209% faster

Non-FTTH 20% faster

Slide 18 | Pando Confidential

field tests
Field Tests
  • Multi-ISP Field Test in June
  • Additional P2P Company Field Tests following shortly
sub groups
Sub-Groups
  • Caching
  • Telco
  • Cable
  • Hardware
  • Standards
  • Research
  • Live P2P
  • Wireless
  • IP Policy/Guidelines
interested
Interested?
  • P4P WG is free to join.
    • Monthly phone calls
    • Email List
  • For more info, email Martin Lafferty: marty@dcia.info
    • or laird@pando.com
    • or doug.pasko@verizon.com

15