Cloud computing is a usage of very large scalable and virtualized resources in a dynamic way over the internet .In Cloud computing multiple cloud users can request number of cloud services simultaneously, so there must be a provision that all resources are made available to requesting user in efficient manner to satisfy their need without compromising on the performance of the resources. Clouds can make it possible to access applications and associated data from anywhere, anytime. One of the major challenges in cloud computing is related to optimizing the resources being allocated. The other challenges of resource allocation are meeting customer demands, data center management and application requirements. Our system multiplexes virtual to physical resources adaptively based on the changing demand. We use the skewness metric to combine Virtual Machines (VMs) with different resource characteristics appropriately so that the capacities of servers are well utilized. Our algorithm achieves both overload avoidance and green computing for systems with multi resource constraints.
Key Terms: Cloud computing, Resource Management, Virtualization, Overload Avoidance, Green Computing, Virtual Machine Monitor, Skewness
1. Introduction
The notion of Cloud computing has not only reshaped the field of distributed systems but also undamentally changed how businesses utilize computing today. While Cloud computing provides many advanced features, it still has some shortcomings such as the relatively high operating cost for both public and private Clouds. The area of Green computing is also becoming increasingly important in a world with limited energy resources and an ever-rising demand for more computational power. Studies have found that servers...
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... of any PM is above the hot verge (i.e., a hot spot) or not. If yes then some VMs running on them will be transferred away to reduce their load. The cold spot solver checks that the average utilization of actively used PMs (APMs) is below the green computing threshold or not. If so, some of those PMs could possibly be turned off to save energy. It recognizes the set of PMs whose consumption is below the cold threshold (i.e., cold spots) and then tries to transfer (migrate) away all their VMs. It then creates a migration list of VMs and compiles it and passes it to the Usher CTRL for execution [5].
4.1 Disadvantages of Existing System
The main pitfall of the system is that how to decide the mapping properly, so that the resource demands of VMs are met while the number of PMs used is minimized. The two main disadvantages are overload avoidance and green computing.
Today, cloud services are widely used by people around the world in purpose of business, government, and personal use. With cloud services, users use resources - could be storage, computional capability, or software- from cloud service provider mediated by Internet. Doing computational work with cloud services involves a number of computers to do the large-scale works, therefore it usually called by distributed system over Internet (reference, paper?). Cloud service also offers a large-scale service where users only pay for what they use (on-demand). Therefore, companies migrate to business-to-business cloud as they don’t have to spend money building intial cost for their computational business. For instance, instead of building their own storage, network, cooling, they could just “rent” resource from cloud provider for the lower cost. Besides money benefits, cloud resources also able to be shared by multiple...
To understand how cloud computing can be of value to an organization, it is important to us that we understand the cloud and its components. There are three different types of cloud computing services referred to as Infrastructure as a Service (IaaS), Software as a Service (SaaS) and Platform as a Service (PaaS). IaaS delivers cloud computing infrastructure servers, storage, network and operating systems as an on-demand service. SaaS is about software deploying over the Internet. PaaS allows a creation of web applications without the complexity of buying and maintaining the software and infrastructure. In this paper, I will suggest that Innovartus Technology Inc should use IaaS as a replacement for PaaS because IaaS is a rapidly developing field with resources such as better services, cost variability, utility pricing model and dynamic scaling.
Hemalatha, S., & Manickachezian, R. (2012). Present and future of cloud computing: A collaborated survey report. International Journal of Recent Technology and Engineering, 1(2)
Another common cloud technology offering is Infrastructure as a Service (IaaS). IaaS vendors, such as Amazon’s EC2 service, provide virtual servers with which s...
Cloud is the result of a decade research in the field of distributing computing , utility computing, virtualization , grid computing and more recently software, network services and web technology which is changeable evolution on demanding technology and services also as looking to the rapid growth of cloud computing which have changed the global computing infrastructure as well as the concept of computing resources toward cloud infrastructure. The important and interest of cloud computing increasing day by day and this technology receives more and more attention in the world (Jain, 2014) the mostly widely used definition of cloud computing is introduced by NIST “as a model for enabling a convenient on demand network access
Cloud computing has captured the attention and imagination of the business and IT worlds as of late. A general atmosphere of positive analysis surrounds the potential and future of cloud computing. “In May 2008, Merrill Lynch . . . estimated the cost advantages of Cloud Computing to be three to five times for business applications and more than five times for consumer applications” (Slabeva 2010, 47). An IDC forecast suggested a near three-fold growth of spending on cloud-related services from 2008 to 2012, attaining forty-two billion dollars (Slabeva 2010). Amid all these forecasts and positive predictions, it seems obvious that the cloud is here to stay, and that those who harness it correctly will have the opportunity to grow their business, seemingly almost indefinitely.
Ans. The answer lies in algorithmic efficiency which is one of strategy for green computing that provides better power management and higher energy utilization.
Computer virtualization technology has progressed leaps and bounds in a relatively short period of time. Since its inception in late 1960s, it has developed into a massive technology industry that allows companies and individuals of all status to take advantage of the many possibilities it affords. Virtualization has be a key part of reducing the resources required to deliver our apps and services, while maintaining resiliency and not increased the requirement for system
As we all know virtualization is the requirement of future. We have evolved from the age of traditional environment to virtual environment.We have grown accustomed to almost all things virtual from virtual memory to virtual networks to virtual storage.The most widely leveraged benefit of virtualization technology is server consolidation, enabling one server to take on the workloads of multiple servers. For example, by consolidating a branch office’s print server, fax server, exchange server, and web server on a single windows server, businesses reduce the costs of hardware, maintenance, and staffing.
ISTF, JUCC. "Background of Cloud Computing." Network Computing. Computing Services Centre, 27 06 2011. Web. 2 Apr 2014.
During the boom of the microcomputer industry, or around 1980s, computers began to be deployed all around the world, in many cases with little or no care about operating requirements. As information technology operations started to grow in diversity, companies grew cautions of the need to control information technology resources. Companies needed fast Internet connection and nonstop operation to deliver systems and establish a presence on the Internet. A lot of companies build large facilities, which were named Internet data center and provided businesses with a range of solutions for systems to adopt and operate. Data centers for cloud computers are called cloud data center. The distribution of these terms has approximately abandoned and they are being established as “data center”. Business and government institutions are reviewing data centers to a higher degree in areas like security, availability, environmental impact and attachment to requirements. Requirements Documents from authorized organizations groups, like for example the Telecommunications Industry Association. Well-known operational metri...
Applications which are using the server-client model are increasing, thus making server usage more frequent. As a result number of servers across the world are increasing rapidly. As single server executes instructions for multiple clients, the amount of power consumed by server is more because the server's CPU frequency will be more and server has to be online for as long a...
Cloud computing is the progression of other computing technologies such as paral-lel computing, distributed computing, and grid computing. Its main principle is to disseminate the computing grind stones to distributed computers. Majority of us still use the PC’s and laptops to cache the data and files, sharing of data and files, and to send emails. If our pc’s diverse...
Cloud computing technology is a very known and popular paradigm in the field of Information technology. It is an incipient computing model which emanates from grid computing which is resulting into an emerging paramount concept in Information Technology. Vast number of operating systems and virtual servers are mutually dependent through the internet and allow sharable resources with each other. This generates expeditious and efficient computing speed. The concept of cloud computing is predicated on the time sharing of expensive resources and benefits of the providence of scale. The word Cloud originates from the well-known cloud shape which is expressed as a network in architectural system diagrams. Cloud computing applies traditional supercomputing to provide tremendous throughput computing power. Cloud computing allows user to execute simulated applications on a virtual server. In this report, we discuss about cloud computing technologies for example “Distributed File System (DFS), Map-Reduce, and Big tab”. [3] This cloud computing architecture is designed for, geographic information Services which contains functional utilization, perceptions, benefits, computing reserving data and infrastructure layers. We also discuss about software backdrops called as “D cloud”. D-Cloud provides a condition for analysis on the cloud elements using a particular structural configuration and implements large number of evaluations automatically as per the scenario. We also discuss about combining Peer to peer systems and technologies related cloud computing in order to construct a blueprint of the architecture and establish PC2, an open and free cloud computing platform. [4]
Introduction: - Green computing is the study and practice of minimizing the environmental impact of computer system and related resources efficiently and eco-friendly.