CloudSim:atoolkitformodelingandsimulationofcloud ...

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SOFTWARE PRACTICE AND EXPERIENCESoftw. Pract. ;41:23 50Published online 24 August 2010 in Wiley Online Library ( ). DOI: : a toolkit for modeling and simulation of cloudcomputing environments and evaluation of resourceprovisioning algorithmsRodrigo N. Calheiros1, Rajiv Ranjan2, Anton Beloglazov1,C esar A. F. De Rose3and Rajkumar Buyya1, , 1Cloud Computing and Distributed Systems(CLOUDS)Laboratory,Department of Computer Science and SoftwareEngineering,The University of Melbourne,Australia2School of Computer Science and Engineering,The University of New South Wales,Sydney,Australia3Department of Computer Science,Pontifical Catholic University of Rio Grande do Sul,Porto Alegre,BrazilSUMMARYCloud computing is a recent advancement wherein IT infrastructure and applications are provided as services to end-users under a usage-based payment model. It can leverage virtualized services even on thefly based on requirements (workload patterns and QoS) varying with time.

CLOUDSIM: A TOOLKIT 25 elements; and (iv) facility for simulation of federated Cloud environment that inter-networks resources from both private and public domains, a feature critical for research studies related to

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