P2P Infrastructure Workshop Announcement, May 28, 2008

IESG Secretary <iesg-secretary@ietf.org> Mon, 21 April 2008 12:00 UTC

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Subject: P2P Infrastructure Workshop Announcement, May 28, 2008
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The Real-time Applications & Infrastructure (RAI) Area Directors, Jon
Peterson and Cullen Jennings, would like to announce an IETF workshop on
P2P Infrastructure to be held on May 28, 2008 at 50 Vassar St, Room
34-101 on the MIT campus in Cambridge, MA USA.

Several large ISPs have encountered issues with P2P traffic. The
transfer of static, delay-tolerant data between nodes on the Internet is
a well-understood problem, but traditional management of fairness at the
transport level has largely been circumvented by applications designed
to achieve the best end-user transfer rates. This results, at peak
times, in networks running near absolute capacity, and in which all
traffic incurs delays; the applications that bear the brunt of this
additional latency are real-time applications like VoIP and Internet
gaming. This has led to need for further discussion of the proper
approaches to P2P application development, and infrastructure management
in environments where P2P is commonly used. This workshop intends to
discover where additional IETF standards work is needed, or existing
work might be reapplied, to alleviate these difficulties. In particular,
the workshop will draw on the experiences of Comcast and BitTorrent,
representatives of both of whom will present their perspectives on the
problem space.

Example solution discussions might include, but are not limited to:
deployment of application servers or caches to reduce network load; new
rendez-vous mechanisms to optimize P2P network topology; enabling
applications to signal their bandwidth needs (and priority or lack
thereof) to networks; enabling networks to signal bandwidth constraints
to elastic and inelastic applications; and, new approaches to fairness
that are coupled with incentives for applications. Contributions from
subject matter experts in the problem and solution space are
welcome. The primary outcome should be a direction for one or more IETF
efforts exploring the best practices for addressing these challenges.

The organizers would like to stress that this is a technical workshop
exploring engineering issues and practices. The public policy
implications of P2P applications are not in the scope of this workshop.

Position papers are requested from all attendees by May 9. Contact the
RAI ADs for a waiver if it is inappropriate for you to submit a position
paper. These should constitute one to five pages on the problem or
solution space of P2P architectures, with a particular emphasis on areas
that the IETF should address or revisit. Position papers will be made
publicly available. On the basis of the position papers, a number of
invited speakers will be asked to present at the workshop. A final
agenda with timeslots will be published by May 16th. Potential attendees
for whom it is not appropriate to supply a position paper may contact
the RAI ADs for a waiver.

Evaluation of the position papers will be performed with the assistance
of a program committee consisting of the RAI ADs, Lars Eggert (Transport
AD), Danny Weitzner (MIT), John Morris (CDT), and Dave Clark (MIT).

Further information about position paper submission procedures are
forthcoming. Interested parties are advised to subscribe to the
p2pi@ietf.org mailing list for discussion and announcements related to
the workshop. Additional information will be available at
http://www3.tools.ietf.org/area/rai/trac/wiki/PeerToPeerInfrastructure.
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