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Summary: PerfCenter: A Methodology and Tool for
Performance Analysis of Application Hosting
Centers
Rukma P. Verlekar, Varsha Apte, Prakhar Goyal, Bhavish Aggarwal
Dept. of Computer Science and Engineering
Indian Institute of Technology Bombay
Mumbai, Maharashtra, India
Email: rukma.verlekar@iitb.ac.in,{varsha,prakhargoyal,bhavish}@cse.iitb.ac.in
Abstract--
We present a tool, PerfCenter, that takes as input the deploy-
ment, configuration, message flow and workload details of the
hardware and software servers in an application hosting center,
and predicts the performance of the applications. We allow for
a hierarchical specification of the data center, where software
is deployed on machines, machines consist of hardware devices
and are deployed on LANs. We also explicitly model network
links between LANs and model the contention at those links
due to messages exchanged between servers. While tools and
methodologies for such analysis have been proposed earlier, our
approach allows for the most natural specification of a "data
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