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© 2007 BitTorrent Inc. Quality of Application: QoS is Dead, Long Live Politeness Ben Teitelbaum Product Marketer, Content Delivery Services Product Manager, Device Programs
© 2007 BitTorrent Inc. physics.bigu.educern.ch Quality of Application(s) QoA Not just about your application Multiple apps make up end-user experience Sometimes doing with less increases overall utility Design applications 1 for the best end-user experience 1. Network matters too, but should not be tuned for specific apps
© 2007 BitTorrent Inc. Politeness QoS is dead, but politeness has a long history of success Ethernet CSMA/CD TCP congestion control QBone Scavenger Service (LBE) throughput (C x MTU) / (RTT x sqrt(loss))
© 2007 BitTorrent Inc. QoA at BitTorrent BitTorrent DNA: peer-accelerated HTTP streaming Delivery via CDN ($$$) and DNA peer network ($) Smart piece-picking Maximize peer use while ensuring smooth playback Painless seeding Polite transport protocol defers to TCPs Delay-based congestion control anticipates packet loss Seeding wont disrupt gaming, web-surfing, or VoIP TCP throughput (C x MTU) / (RTT x sqrt(loss))
QoS Not Needed Ben Teitelbaum Internet2 VoIP SIG September, 2006.
P2P Media Summit Silicon Valley August 4, 2008 Jeff Capone.
Streaming Video over the Internet 1. Characteristics of Multimedia Data Voluminous they demand very high data rates, possibly dozens or hundreds of Mbps.
1 P2P Layered Streaming for Heterogeneous Networks in PPSP K. Wu, Z. Lei, D. Chiu James Zhibin Lei 17/03/2010.
The Evolution of P2P Technology Robert Levitan, CEO Pando Networks P2P MEDIA SUMMIT, CES 2008.
Measuring IP Performance Geoff Huston Telstra. What are you trying to measure? User experience –Responsiveness –Sustained Throughput –Application performance.
DCIA P2P & Games Conference Simon Morris 22nd October 2009 Santa Monica, CA.
Reconsidering Reliable Transport Protocol in Heterogeneous Wireless Networks Wang Yang Tsinghua University 1.
Multimedia Networking9-1 MM Networking Applications Fundamental characteristics: r Typically delay sensitive m end-to-end delay m delay jitter r But loss.
1 Computer Networks TCP/IP Protocol Suite. 2 Protocols Cooperative action is necessary computer networking is not only to exchange bytes huge system with.
© 2007 Cisco Systems, Inc. All rights reserved.Cisco Public 1 Version 4.0 OSI Transport Layer Network Fundamentals – Chapter 4 Sandra Coleman, CCNA, CCAI.
1 OSI Transport Layer IT305: Computer Networks – Chapter 4.
CPSC 441 TUTORIAL – FEBRUARY 27, 2012 TA: MARYAM ELAHI THE INTERNET PROTOCOL Some of the slide contents are courtesy of the authors of the the following.
GLOBAL CAPABILITY. PERSONAL ACCOUNTABILITY. Partner Port Program VPS Press Announcement (Verizon Partner Solutions) CES 2009, Las Vegas.
29 September 2003 Internet2 VoIP and PIC in a Nutshell Ben Teitelbaum.
Services Architectures – Network Intermediaries and End-to-end Abstractions Dan Duchamp Stevens Institute of Technology Tilman Wolf University of Massachusetts.
End-host Perspectives on Congestion Management Murari Sridharan CONEX BOF, IETF 76, Hiroshima.
CAUSES & CURE OF LATENCY IN THE INTERNET TELEPHONY DR. OLUMIDE SUNDAY ADEWALE Dept of Industrial Math & Computer Science Federal University of Technology.
Nicolas Simar – DANTE : Premium IP and LBE transparency on GEANT QoS on GÉANT Premium IP and Less than Best Effort.
Multi-Access Services in Heterogeneous Wireless Networks Kameswari Chebrolu, Ramesh R. Rao Abstract Today's wireless world is characterized by heterogeneity.
Roma 17/10/08 WORLD Project KO Meeting Laura Galluccio WORLD Project – KO Meeting University of Catania.
Internet2 QoS: Baby Steps and Big Lessons Ben Teitelbaum July 26 th, 2001 IBM Internet2 Day.
Internet Economics Networked Life CIS 112 Spring 2010 Prof. Michael Kearns.
Octoshape experience: a matter of quality Stephen Alstrup Octoshape August 2008
Scheduling in Web Server Clusters CS 260 LECTURE 3 From: IBM Technical Report.
P2P Media Summit LA May 2009 Mitchell Edwards CFO & GC BitTorrent, Inc.
Motorola General Business Use MOTOROLA and the Stylized M Logo are registered in the US Patent & Trademark Office. All other product or service names are.
Traffic Models: Status/Discussion July 22, 2003 N. K. Shankaranarayanan (Shankar) AT&T Labs-Research IEEE C /73.
Convergence ? Keynote Presentation Interop Japan 2007 Geoff Huston Chief Scientist APNIC.
Testing Video over TCP/IP on example of YouTube Streaming Dr. Jens Berger, SwissQual AG, Zuchwil, Switzerland May 2012 © SwissQual 2012.
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