Understanding hybrid CDN-P2P: Why limelight needs its own red swoosh

Cheng Huang, Angela Wang, Jin Li, Keith W. Ross

    Research output: Chapter in Book/Report/Conference proceedingConference contribution

    Abstract

    In this paper, we quantify the potential gains of hybrid CDN-P2P for two of the leading CDN companies, Akamai and Limelight. We first develop novel measurement methodology for mapping the topologies of CDN networks. We then consider ISP-friendly P2P distribution schemes which work in conjunction with the CDNs to localize traffic within regions of ISPs. To evaluate these schemes, we use two recent, real-world traces: a video-on-demand trace and a large-scale software update trace. We find that hybrid CDN-P2P can significantly reduce the cost of content distribution, even when peer sharing is localized within ISPs and further localized within regions of ISPs. We conclude that hybrid CDN-P2P distribution can economically satisfy the exponential growth of Internet video content without placing an unacceptable burden on regional ISPs.

    Original languageEnglish (US)
    Title of host publicationProceedings of the 18th International Workshop on Network and Operating Systems Support for Digital Audio and Video, NOSSDAV 2008
    Pages75-80
    Number of pages6
    DOIs
    StatePublished - 2008
    Event18th International Workshop on Network and Operating Systems Support for Digital Audio and Video, NOSSDAV 2008 - Braunschweig, Germany
    Duration: May 28 2008May 30 2008

    Publication series

    NameProceedings of the International Workshop on Network and Operating System Support for Digital Audio and Video

    Other

    Other18th International Workshop on Network and Operating Systems Support for Digital Audio and Video, NOSSDAV 2008
    CountryGermany
    CityBraunschweig
    Period5/28/085/30/08

    ASJC Scopus subject areas

    • Software
    • Media Technology
    • Computer Networks and Communications

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