Characteristics of WWW Client-based Traces

Abstract

The explosion of WWW traac necessitates an accurate picture of WWW use, and in particular requires a good understanding of client requests for WWW documents. To a d d r ess this need, we have collected t r aces of actual executions of NCSA Mosaic, reeecting over half a million user requests for WWW documents. In this paper we describe the methods we used t o c ollect our traces, and the formats of the collected data. Next, we present a descriptive statistical summary of the traces we collected, which identiies a number of trends and reference p atterns in WWW use. In particular, we show that many characteristics of WWW use can be m o delled using power-law distributions, including the distribution of document sizes, the popularity of documents as a function of size, the distribution of user requests for documents, and the number of references to documents as a function of their overall rank in popularity (Zipf's law). Finally, we show how the power-law distributions derived f r om our traces can be u s e d to guide system designers interested i n c aching WWW documents.

Extracted Key Phrases

Showing 1-10 of 14 references

Characteristics of www clientbased traces

  • Carlos R Cunha, Azer Bestavros, Mark E Crovella
  • 1995

Uniform resource locators. RFC 1738

  • T Berners-Lee, L Masinter, M Mccahill
  • 1994

Unix le size survey | 1993

  • Gordon Irlam
  • 1994

\Mosaic Will Kill My Network!" { Studying Network Traac Patterns of Mosaic Use

  • Jee Sedayao
  • 1994

Short-term le reference patterns in a unix environment

  • Richard A Floyd
  • 1986
Showing 1-10 of 428 extracted citations

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