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The P2P Network Experiment Council's Activities and Experiments with Application-Layer Traffic Optimization (ALTO) in Japan (RFC6875) Disclosure Number: IPCOM000225650D
Original Publication Date: 2013-Feb-01
Included in the Prior Art Database: 2013-Feb-23
Document File: 36 page(s) / 42K

Publishing Venue

Internet Society Requests For Comment (RFCs)

Related People

S. Kamei: AUTHOR [+4]


An overlay network, which is used by P2P and other applications, offers the advantage of allowing flexible provisioning of services while hiding the lower-layer network. The disadvantage is that inefficient routing without considering the lower-layer network may cause increasing the network load. Several proposals have been made to build an overlay network that takes into account the information about the lower-layer network [1] [2]. Since the management of the Internet is highly distributed, it is difficult to implement such proposals, and thus to optimize a network, without the cooperation of network providers.

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Internet Research Task Force (IRTF)                             S. Kamei Request for Comments: 6875                            NTT Communications Category: Informational                                        T. Momose ISSN: 2070-1721                                            Cisco Systems                                                                 T. Inoue                                                             T. Nishitani                                                       NTT Communications                                                            February 2013

   The P2P Network Experiment Council's Activities and Experiments with          Application-Layer Traffic Optimization (ALTO) in Japan


   This document describes experiments that clarify how an approach    similar to Application-Layer Traffic Optimization (ALTO) was    effective in reducing network traffic.  These experiments were    performed in Japan by the P2P Network Experiment Council in an    attempt to harmonize peer-to-peer (P2P) technology with network    infrastructure.  Based on what was learned from these experiments,    this document provides some suggestions that might be useful for the    ALTO architecture and especially for application-independent ALTO-    like server operation.

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 individual opinion(s) of one or    more members 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

Kamei, et al.                 Informational                     [Page 1]
 RFC 6875                P2P Experiments in Japan           February 2013

 Copyright Notice

   Copyright (c) 2013 IETF Trust and the persons identified as the    document authors.  All rights reserved.

   This document is subject to BCP 78 and the IETF Trust's Legal    Provisio...