From: Yuhan Cai (yuhancai@cs.washington.edu)
Date: Sun Nov 07 2004 - 23:23:23 PST
Title: An Analysis of Internet Content Delivery Systems
Authors: Stefan Saroiu, Krishna P. Gummadi, Richard J. Dunn, Steven D. Gribble, and Henry M. Levy
Reviewed by: Yuhan Cai
Main results of the paper:
， It focuses on four content delivery systems: HTTP web traffic, the Akamai content delivery network and the Kazaa and Gnutella peer-to-peer file sharing systems and traces all the internet traffic at UW.
， It analyzes the observations and quantifies and characterizes the traffic according to the above four situations.
Strengths of the paper:
， The datasets used have a relatively big size so that the claims in this paper are well supported.
， It quantifies the importance of the new peer-to-peer systems from four different perspectives.
， It characterizes the behaviors of these systems from three different perspectives.
， It introduces the idea of caching.
Key limitations:
， The research is limited to a single University. Probably the content delivery systems for the internet of larger areas or industrial environments might be completely different.
Relevance of the paper:
， The results of this paper have provided us a deeper and more detailed understanding of specialized content delivery systems.
Future work:
， More examinations on the issues of caching are expected to significantly reduce the P2P bandwidth requirements.
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