Wednesday 20th of September 2017

Sensitivity Analysis of Cloud under Transient Conditions

Satyanarayana.A, P. Suresh Varma, M.V.Rama Sundari and P Sarada Varma

Cloud computing is a new economic computing paradigm in which information and shared resources can be accessed from a Web browser by customers. Clouds consists of a collection virtualized resources which includes both computational software and hardware facilities that can be provided to the customers based on demand. This on demand model creates a flexible and cost effective means to access compute resources. In cloud computing it is customary to consider that the job arrivals are characterized by Poisson process. This is assumption holds good if the job arrivals are homogeneous and independent of time. In this paper, we develop and analyze a cloud computing model with the assumption that the job arrivals are characterized by homogeneous Poisson Process. It is further assumed that allocation of Resources (Virtual Machines (VMs)) for each job dependent on number of jobs in the buffer at that instant using dynamic allocation strategy. The transient behavior of the cloud also analyzed by deriving various measures like mean number of jobs in the buffer, throughput of the cloud, utilization of the cloud and mean delay in allocation of resources etc,. The sensitivity analysis of the cloud reveals that the homogeneous Poisson arrivals and dynamic resource allocation strategy can reduce burstness in buffer and improve quality of service

Keywords: Cloud Computing, Dynamic Resource Allocation, Performance Evaluation, Poisson Process, Sensitivity Analysis

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Mr.A.Satyanarayana received the Bachelorís degree in Computer Science and Engineering from NEC engineering college, A.P. Masterís degree in Computer Science and Engineering from RVR&JC College of Engineering and Technology, Guntur, Andhra Pradesh, India, in 2009. He Currently Pursuing PhD in Department of Computer Science at Adikavi Nannaya University, Rajahmundry, A.P, India. His area Research interests include Artificial Intelligence, Parallel processing, distributed computing and cloud computing.

P. Suresh Varma
Dr. P. Suresh Varma received M.Tech (CST) from Andhra University. He received Ph.D. (CSE) from Acharya Nagarjuna University. He is currently working as Professor in Department of Computer Science and Dean, College Development Council in Adikavi Nannaya University, Rajahmundry, A.P., India. He published several papers in National and International Journals. He is active life member of various professional bodies like ISTE, ORSI, ISCA, IE etc,. His current research is focused on Computer Networks, Cloud Computing and Data Mining.

M.V.Rama Sundari
Dr.M.V.Rama Sundari received the B.Tech(CS) from Acharya Nagarjuana University, M.Tech (CST) and Ph.D.(CSSE) from Andhra University. She is currently working as Associate Professor, Department of Information Technology, GIET, Rajahmundry. Her current research is foucussed on Computer Networks, Cloud Computing etc

P Sarada Varma
Dr.P.Sarada Varma received the M.Sc Mathematics and Mathematics from Andhra University. She is currently working as Assistant Professor, Department of Mathematics, GMRIT, Rajam. Her current research is System Modeling and Cloud Computingetc

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