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Enhancing P2P Performance with P4P: A Collaborative Approach

The P4P (Performance for P2P) initiative aims to optimize peer-to-peer network performance by enabling ISPs to share information about their physical network. This allows P2P systems to make informed decisions, improving delivery efficiency and reducing costs. With successful field tests involving major players like Verizon and AT&T, P4P is set to enhance download speeds and minimize Internet traffic. The P4P Working Group, composed of over 100 members across multiple sectors, invites further participation to establish industry standards and drive future innovations in P2P technology.

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Enhancing P2P Performance with P4P: A Collaborative Approach

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  1. P4P Working Group Laird Popkin, Pando Networks Doug Pasko, Verizon

  2. What is P4P? • Premise: If P2P networks know about the physical network, they can make smarter choices. • Save ISP resources/money • Improve P2P performance • P4P is a protocol that allows ISPs to provide guidance to P2P systems to optimize delivery on their networks. 2

  3. P4P Localized Delivery P2P Pando with P4P CDN Internet Transit 20% 98% 100% Regional Routers 2% 30% Edge Network 50% P4P shifts delivery from slow/expensive links to fast/inexpensive links.

  4. 800K 774,916 701,708 700K 600K d e e 500K p S d a o l 428,080 n 386,528 400K w o D e g a r 300K e v A 200K Random Peer Assignment 217,003 Pando with P4P 100K 0K 3 5 7 9 11 13 15 17 19 21 23 Download Performance (Comcast) Pando with P4P dramatically increased download speeds

  5. Swarm Swarm 50,000 47,013 59,765 60,000 56,030 40,000 50,000 40,000 30,000 B B M M 30,000 20,000 20,000 10,000 8,610 10,000 0 0 Random Pando with P4P Random Pando with P4P Download Volumes Last Mile Internet (Comcast) Pando with P4P reduced incoming Internet traffic by over 80%

  6. P4P Working Group Status • Over 100 members • Telco, Cable, Wireless, Satellite, Hardware, Live P2P, etc. • Performed two highly successful field tests so far: • March with Pando, Telefonica and Verizon. • July with Pando, AT&T, Comcast, Verizon and others. • More field tests underway • Live Streaming P2P with Abacast and PPLive. And more... • Working with IETF to produce industry standards • Incorporating (see press release) • P4P going into production

  7. Interested? • P4P WG is free to join. • Mailing List • Monthly phone calls (and @ CES, Thursday at 8:00am) • For more info, email: • marty@dcia.info, • laird@pando.com, or • doug.pasko@verizon.com 7

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