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A Survey on Research on the Application-Layer Traffic Optimization (ALTO) Problem (RFC6029) Disclosure Number: IPCOM000200649D
Original Publication Date: 2010-Oct-01
Included in the Prior Art Database: 2010-Oct-23
Document File: 38 page(s) / 49K

Publishing Venue

Internet Society Requests For Comment (RFCs)

Related People

I. Rimac: AUTHOR [+5]


A significant part of today's Internet traffic is generated by peer- to-peer (P2P) applications, used originally for file sharing, and more recently for real-time multimedia communications and live media streaming. P2P applications pose serious challenges to the Internet infrastructure; by some estimates, P2P systems are so popular that they make up anywhere between 40% and 85% of the entire Internet traffic [Karagiannis], [LightReading], [LinuxReviews], [Parker], [Glasner].

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Internet Research Task Force (IRTF)                             I. Rimac Request for Comments: 6029                                       V. Hilt Category: Informational                                         M. Tomsu ISSN: 2070-1721                                               V. Gurbani                                                Bell Labs, Alcatel-Lucent                                                               E. Marocco                                                           Telecom Italia                                                             October 2010

                         A Survey on Research on        the Application-Layer Traffic Optimization (ALTO) Problem


   A significant part of the Internet traffic today is generated by    peer-to-peer (P2P) applications used originally for file sharing, and    more recently for real-time communications and live media streaming.    Such applications discover a route to each other through an overlay    network with little knowledge of the underlying network topology.  As    a result, they may choose peers based on information deduced from    empirical measurements, which can lead to suboptimal choices.  This    document, a product of the P2P Research Group, presents a survey of    existing literature on discovering and using network topology    information for Application-Layer Traffic Optimization.

Status of This Memo

   This document is not an Internet Standards Track specification; it is    published for informational purposes.

   This document is a product of the Internet Research Task Force    (IRTF).  The IRTF publishes the results of Internet-related research    and development activities.  These results might not be suitable for    deployment.  This RFC represents the consensus of the Peer-to-Peer    Research Group of the Internet Research Task Force (IRTF).  Documents    approved for publication by the IRSG are not a candidate for any    level of Internet Standard; see Section 2 of RFC 5741.

   Information about the current status of this document, any errata,    and how to provide feedback on it may be obtained at

Rimac, et al.                 Informational                     [Page 1]
 RFC 6029                       ALTO Survey                  October 2010

 Copyright Notice

   Copyright (c) 2010 IETF Trust and the persons identified as the    document authors. ...