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Qazi Zia Ullah [1; 2] and Shahzad Hassan [1] and Gul Muhammad Khan [3]

Academic Editor: Silvia Conforto

1, Computer Engineering Department, Bahria University, Islamabad, Pakistan, bahria.edu.pk

2, Department of Electrical Engineering, COMSATS Institute of Information Technology Attock, Attock, Pakistan, comsats.edu.pk

3, Department of Electrical Engineering, University of Engineering and Technology, Peshawar, Peshawar, Pakistan, nwfpuet.edu.pk

Received Dec 31, 2016; Revised Mar 19, 2017; Accepted Apr 16, 2017

This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

1. Introduction

The demand for high performance computing has transformed the shape of today’s computer industry. The computing is no more limited to personal computers and work stations. It has now become a public grid, where users (personal computers, cell phones, work stations, and servers) can have access to the storage and computing resources through internet. The environment where users can have access to a distant infrastructure, platform, or software over the internet is termed as cloud computing [1]. Cloud computing requires high performance and efficient underlying microarchitectures so as millions of customers (users) simultaneously can access the available resources (storage, computing, etc.) on the cloud. To gain high computing performance and throughput, multicore and multinode architectures have been devised [2, 3].

Cloud computing can be defined as a model to enable ubiquitous, convenient, and on-demand network access to a shared pool of configurable computing resources (e.g., networks, servers, storage, applications, and services), where these computing resources can be rapidly released with minimal management effort and less service provider interaction [4].

According to a survey released by North Bridge Venture Partners, in conjunction with Gigaom Research and a record 72 collaborating organizations on 19th June, 2014, 56% of businesses are using IaaS technologies to harness elastic computing resources. It is also reported that over eleven thousand cloud services and APIs (Application Program Interfaces) are currently in use by the cloud customers and the tendency is towards every-thing-as-a-service in the future (http://www.northbridge.com/cloud-computing). Similarly, according to Bezos’s law, it is observed that, over the history of cloud, one unit of computing power price is reduced by 50% approximately every three years (https://gigaom.com/2014/04/19/moores-law-gives-way-to-bezoss-law). As the cloud computing price reduces, most of...

           

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