A Simulation System and Algorithm Evaluationfor Clustered Streaming Media Server
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Graphical Abstract
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Abstract
This paper designs and implements
CSMSSim, which is a hierarchical simulation system for
Clustered streaming media server (CSMS). CSMSSim is
e±cient and accurate, because it is based on an accurate
and simpli¯ed simulation model of CSMS, and the nec-
essary hardware resources' parameters in CSMSSim are
obtained through the stress testing based on a practical
CSMS testbed with 6 nodes. In addition, CSMSSim is
highly con¯gurable, because it has a hierarchical architec-
ture with independent algorithm layer, logical layer and
hardware layer. Therefore CSMSSim can adapt to various
streaming media applications, and the rapid increasing of
the streaming media service systems' scale in nowadays
and the future. Finally, the simulation experiments on the
CSMS algorithm evaluation based on CSMSSim show the
powerful function of CSMSSim, and give guidance about
improving the performance of CSMS by choosing appro-
priate memory cache replacement algorithms and disk data
allocation algorithms.
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