Comcast's ISP Experiences in a Proactive Network Provider Participation for P2P (P4P) Technical Trial
RFC 5632
Document | Type |
RFC - Informational
(September 2009; Errata)
Was draft-livingood-woundy-p4p-experiences (individual in app area)
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Authors | Y. Yang , Laird Popkin , Richard Woundy , Chris Griffiths , Jason Livingood | ||
Last updated | 2015-10-14 | ||
Stream | IETF | ||
Formats | plain text html pdf htmlized bibtex | ||
Reviews | |||
Stream | WG state | (None) | |
Document shepherd | No shepherd assigned | ||
IESG | IESG state | RFC 5632 (Informational) | |
Consensus Boilerplate | Unknown | ||
Telechat date | |||
Responsible AD | Lisa Dusseault | ||
Send notices to | yry@cs.yale.edu |
Network Working Group C. Griffiths Request for Comments: 5632 J. Livingood Category: Informational Comcast L. Popkin Pando R. Woundy Comcast Y. Yang Yale September 2009 Comcast's ISP Experiences in a Proactive Network Provider Participation for P2P (P4P) Technical Trial Abstract This document describes the experiences of Comcast, a large cable broadband Internet Service Provider (ISP) in the U.S., in a Proactive Network Provider Participation for P2P (P4P) technical trial in July 2008. This trial used P4P iTracker technology, which is being considered by the IETF as part of the Application Layer Transport Optimization (ALTO) working group. Status of This Memo This memo provides information for the Internet community. It does not specify an Internet standard of any kind. Distribution of this memo is unlimited. Copyright Notice Copyright (c) 2009 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 Provisions Relating to IETF Documents in effect on the date of publication of this document (http://trustee.ietf.org/license-info). Please review these documents carefully, as they describe your rights and restrictions with respect to this document. Griffiths, et al. Informational [Page 1] RFC 5632 Comcast P4P Experiences September 2009 Table of Contents 1. Introduction . . . . . . . . . . . . . . . . . . . . . . . . . 2 2. High-Level Details . . . . . . . . . . . . . . . . . . . . . . 3 3. Differences between the P4P iTrackers Used . . . . . . . . . . 4 3.1. P4P Fine Grain . . . . . . . . . . . . . . . . . . . . . . 4 3.2. P4P Coarse Grain . . . . . . . . . . . . . . . . . . . . . 5 3.3. P4P Generic Weighted . . . . . . . . . . . . . . . . . . . 5 4. High-Level Trial Results . . . . . . . . . . . . . . . . . . . 5 4.1. Swarm Size . . . . . . . . . . . . . . . . . . . . . . . . 6 4.2. Impact on Download Speed . . . . . . . . . . . . . . . . . 7 4.3. General Impacts on Upstream and Downstream Traffic and Other Interesting Data . . . . . . . . . . . . . . . . . . 7 5. Important Notes on Data Collected . . . . . . . . . . . . . . 8 6. Next Steps . . . . . . . . . . . . . . . . . . . . . . . . . . 9 7. Security Considerations . . . . . . . . . . . . . . . . . . . 10 8. Acknowledgements . . . . . . . . . . . . . . . . . . . . . . . 10 9. Informative References . . . . . . . . . . . . . . . . . . . . 10 1. Introduction Comcast is a large broadband Internet Service Provider (ISP), based in the U.S., serving the majority of its customers via cable modem technology. A trial was conducted in July 2008 with Pando Networks, Yale, and several ISP members of the P4P working group, which is part of the Distributed Computing Industry Association (DCIA). Comcast is a member of the DCIA's P4P Working Group, whose mission is to work with Internet Service Providers (ISPs), peer-to-peer (P2P) companies, and technology researchers to develop "P4P" mechanisms, such as so- called "iTrackers" (hereafter P4P iTrackers), that accelerate distribution of content and optimize utilization of ISP network resources. P4P iTrackers theoretically allow P2P networks to optimize traffic within each ISP, reducing the volume of data traversing the ISP's infrastructure and creating a more manageable flow of data. P4P iTrackers can also accelerate P2P downloads for end users. P4P's iTracker technology [SIGCOMM] was conceptually discussed with the IETF at the Peer-to-Peer Infrastructure (P2Pi) Workshop held on May 28, 2008, at the Massachusetts Institute of Technology (MIT), as documented in [RFC5594]. This work was discussed in greater detail at the 72nd meeting of the IETF, in Dublin, Ireland, in the ALTO BoF (Birds of a Feather meeting) on July 29, 2008. Due to interest from the community, Comcast shared P4P iTracker trial data at the 73rd meeting of the IETF, in Minneapolis, Minnesota, in the ALTO BoF on November 18, 2008. Since that time, discussion of P4P iTrackers and alternative technologies has continued among participants of the ALTO working group. Griffiths, et al. Informational [Page 2]Show full document text