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Summary: Developing and Evaluating Novel Network Protocols on Wide-Area
Testbeds
Jeannie R. Albrecht
Master's Project Report
December 11, 2003
Abstract
As the popularity and availability of shared global
testbeds continue to grow, researchers are placing less
value on results obtained in simulation environments, and
focusing more on the results obtained within wide-area
testbeds such as PlanetLab. One consequence of this
trend is that researchers are no longer able to control their
experimental environment to the same degree that they
can in simulation. Researchers on the wide-area can only
hope to locate a set of nodes that possess the desired qual-
ities at runtime. Currently, there is no service running on
PlanetLab that supports global queries of this kind.
In this paper we present one solution to the problem of
global resource querying on PlanetLab. Starting with an
evaluation of TFRC, a novel network protocol, we de-
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