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Cloud computing is an established technology to provide computing resources on demand that currently faces several challenges. Main challenges include management of shared resources, energy consumption, load balancing, resource provisioning and allocation, and fulfilment of service level agreements (SLAs). Due to its inherent complexity, cloud simulation is largely used to experiment new models and algorithms. This work presents CloudSim Plus, an open source simulation framework that pursues conformance to software engineering principles and object-oriented design in order to provide an extensible, modular and accurate tool. Based on the CloudSim framework, it aims to improve several engineering aspects, such as maintainability, reusability and extensibility. This work shows the benefits of CloudSim Plus, its particular features, how it ensures more accuracy, extension facility and usage simplicity.
Filho et al. (Mon,) studied this question.