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    • CAS: Computer Science: Technical Reports
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    Demand-based Document Dissemination for the World-Wide Web

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    Date Issued
    1995-02-07
    Author(s)
    Bestavros, Azer
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    Permanent Link
    https://hdl.handle.net/2144/1564
    Citation (published version)
    Bestavros, Azer. "Demand-based Document Dissemination for the World-Wide Web“, Technical Report BUCS-1995-003, Computer Science Department, Boston University, February 15, 1995. [Available from: http://hdl.handle.net/2144/1564]
    Abstract
    We analyzed the logs of our departmental HTTP server http://cs-www.bu.edu as well as the logs of the more popular Rolling Stones HTTP server http://www.stones.com. These servers have very different purposes; the former caters primarily to local clients, whereas the latter caters exclusively to remote clients all over the world. In both cases, our analysis showed that remote HTTP accesses were confined to a very small subset of documents. Using a validated analytical model of server popularity and file access profiles, we show that by disseminating the most popular documents on servers (proxies) closer to the clients, network traffic could be reduced considerably, while server loads are balanced. We argue that this process could be generalized so as to provide for an automated demand-based duplication of documents. We believe that such server-based information dissemination protocols will be more effective at reducing both network bandwidth and document retrieval times than client-based caching protocols [2].
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    • CAS: Computer Science: Technical Reports [584]


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