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Summary: 1
Clustering and Server Selection using Passive
Monitoring
Matthew Andrews, Bruce Shepherd, Aravind Srinivasan, Peter Winkler, Francis Zane
Abstract--- We consider the problem of client assignment
in a distributed system of content servers. We present a sys
tem called Webmapper for clustering IP addresses and as
signing each cluster to an optimal content server. The sys
tem is passive in that the only information it uses comes
from monitoring the TCP connections between the clients
and the servers. It is also flexible in that it makes no a priori
assumptions about network topology and server placement
and it can react quickly to changing network conditions. We
present experimental results to evaluate the performance of
Webmapper.
Keywords---Content distribution, server selection, passive
monitoring.
I. INTRODUCTION
As the popularity of Content Delivery Networks in
creases, many web pages are being stored in diverse geo
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