Abstract

Cloud Computing makes the dream of computin g real as a tool and in the form of service. This internetbased ongoing technology which has brought flexibility, capacity and power of processing has realized service- oriented idea and has created a new ecosystem in the computing world with its great p ower and benefits. Cloud capabilities have been able to move IT industry one step forward. Nowadays, large and famous enterprise have resorted to cloud computing and have transferred their processing and storage to it. Due to popularity and progress of clo ud in different organizations, cloud performance evaluation is of special importance and this evaluation can help users make right decisions. In this paper, we provide an overall perspective on cloud evaluation criteria and highlight it with help of simula tion. For this purpose, we present different major factors in cloud computing performance and we analyze and evaluate cloud performance in various scenarios considering these factors.

Highlights

  • The term “cloud computing” is not a new concept for the users of computer’s world and the concept dates back the last decades and when John MacCarty predicted that computers might be used one day as a public utility [1,2,3,4,5].The confluence of technological advances and business development in internet broadband, web services, computer systems and applications has created complete storm for cloud computing during the past decade [1,2,3,4,5]

  • The references in this study are in the following categories and have been conducted since 2009 onwards: Performance evaluation based on different criteria, evaluation and simulation is usually performed based on criteria in accordance with goals and the results are studied for proving goal

  • Cloud computing is a type of parallel, virtual, distributed, configurable, and flexible systems, which refers to provision of applications such as hardwares and softwares in virtual data centers via internet [10].cloud computing services are configurable and customers pay fees based on the use of resources and services [1,2,3,4,5]

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Summary

INTRODUCTION

The term “cloud computing” is not a new concept for the users of computer’s world and the concept dates back the last decades and when John MacCarty predicted that computers might be used one day as a public utility [1,2,3,4,5]. The confluence of technological advances and business development in internet broadband, web services, computer systems and applications has created complete storm for cloud computing during the past decade [1,2,3,4,5]. A more accurate and scientific definition of cloud computing, models, features, performance criteria and simulation, will be reviewed in other key considerations of this paper. The Structure of other parts of this paper is organized as follows: In Section 2, related works, simulation, evaluation methods and tool are discussed. Factors and criteria that is used in simulation will be introduced. Using Cloud Analyst tool, the performance of cloud in different scenarios will be evaluated.

RELATED WORK
CLOUD COMPUTING
Cloud Computing Service Delivery Models
Cloud Computing Deployment Models
Process of a Request in Cloud
CLOUD COMPUTING PERFORMANCE EVALUATION
Factors affective on performance
Performance Evaluation Criteria
SIMULATION IN CLOUD COMPUTING ENVIRONMENTS
Simulation components
Simulation Metrics
Simulation Category
Simulation and Evaluation Based on Data Centers
Simulation and Evaluation Based on Users
Simulation and Evaluation Based on Geographical Region
CONCLUSION AND FUTURE WORK
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