Demand-based Document Dissemination for the World-Wide Web

Authors:
Azer Bestavros
Affiliations:
-
Venue:
Demand-based Document Dissemination for the World-Wide Web
Year:
1995

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ATEC '96 Proceedings of the 1996 annual conference on USENIX Annual Technical Conference

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Abstract

Abstract We analyzed the logs of the cs-www.bu.edu HTTP server for the month of January 1995. Our analysis showed that remote HTTP accesses were confined to a small subset of documents. Using an 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.