Performance evaluation of redirection schemes in content distribution networks

J. Kangasharju, K. W. Ross, J. W. Roberts

    Research output: Contribution to journalArticlepeer-review


    Content distribution on the Web is moving from an architecture where objects are placed on a single, designated server to an architecture where objects are replicated on geographically distributed servers and clients transparently access a nearby copy of an object. In this paper we study how the different redirection schemes used in modern content distribution networks affect the user-perceived performance in normal Web page viewing. Using both simulations and experiments with real Web servers we show that redirection schemes that require clients to retrieve different parts of a Web page from different servers yield sub-optional performance compared to schemes where a client accesses only one server for all the parts of a Web page. This implies that when replicating Web pages, we should treat the whole page (HTML and images) as a single entity.

    Original languageEnglish (US)
    Pages (from-to)207-214
    Number of pages8
    JournalComputer Communications
    Issue number2
    StatePublished - Feb 1 2001

    ASJC Scopus subject areas

    • Computer Networks and Communications


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