Author : Ahmed
H.Abase1 , Mohamed H. Khafagy2 and Fatma A. Omara3
Volume, Issue,
Month, Year : Vol. 6,
No. 6, December 2016
ABSTRACT
Cloud Computing (CC) is a model for
enabling on-demand access to a shared pool of configurable computing resources.
Testing and evaluating the performance of the cloud environment for allocating,
provisioning, scheduling, and data allocation policy have great attention to be
achieved. Therefore, using cloud simulator would save time and money, and
provide a flexible environment to evaluate new research work. Unfortunately,
the current simulators (e.g., CloudSim, NetworkCloudSim, GreenCloud, etc..)
deal with the data as for size only without any consideration about the data
allocation policy and locality. On the other hand, the NetworkCloudSim
simulator is considered one of the most common used simulators because it
includes different modules which support needed functions to a simulated cloud
environment, and it could be extended to include new extra modules. According
to work in this paper, the NetworkCloudSim simulator has been extended and
modified to support data locality. The modified simulator is called
LocalitySim. The accuracy of the proposed LocalitySim simulator has been proved
by building a mathematical model. Also, the proposed simulator has been used to
test the performance of the three-tire data center as a case study with
considering the data locality feature.
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