The Challenge of P2P Communications

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The Challenge of P2P Communications

• Henry Sinnreich
• CTO
• Pulver.com

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(No Transcript)
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Sample of P2P Traffic Distribution
http//linuxreviews.org/news/2004/11/05_p2p/
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P2P Traffic on RCN Cable NetworkDSL Reports
Forum, Jan 28, 2006
90 of upstream traffic was being consumed by
p2p
nealis_at_rcn
http//www.dslreports.com/forum/remark,14997671st
art240 http//www.dslreports.com/shownews/71579
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Major P2P Projects
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Overlay Network
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P2P Overlay Network Applications

• DNS replacement (though less efficient)
• Distributed databases
• Application layer multicast
• Content distribution SW, audio/video (TV)
• P2P computation
• Events
• RT communications Presence, IM, A/V

Back to the end-to-end Internet as it was
initially designed
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P2P Communications
SIP applications
P2P Applications
Presence
IM
File Transfer
IP L5 Application Layer
Overlay Network
Internet
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VoIP infrastructure challenged by P2P

• DNS, ENUM
• SIP registrar and proxy servers,
• Presence servers
• Component servers
• Announcements, voice mail, media servers,
  conference servers
• Session border controllers
• Softswitches Local switch emulation, PBX
• Media servers
• Network elements for QoS
• Policy servers
• Network management
• Voice quality monitoring probes
• Network engineering
• System integration
• VoIP network IT (OSS) systems for all the above

The sum of all IMS
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The Cycle of Complexity
http//www.1-4-5.net/dmm/talks/NANOG26/complexity
_panel/
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(No Transcript)
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References

• http//www.p2psip.org/

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The Internet Is The Service

• Quote from Jon Peterson, IETF Area Director

Questions?