0000200406 00000 n 0000030618 00000 n 0000244669 00000 n 0000164904 00000 n 0000231024 00000 n AWS remains dominant despite microsoft and google growth surges. With cloud computing, the overall cost of running the solution is more predictable than on-premise. %%EOF 0000195962 00000 n xref 0000234823 00000 n 0000182088 00000 n 0000032447 00000 n 0000163530 00000 n 0000193204 00000 n 0000125197 00000 n Usage information was collected using IBM Tivoli Monitoring during one month where readings were taken every hour covering all the servers in the data centre. 0000276482 00000 n (2014). 0000244517 00000 n ACM. 0000121909 00000 n This is followed by an analysis of the economics of cloud computing and the business drivers. 0000043562 00000 n 0000029087 00000 n 0000214646 00000 n 0000192131 00000 n 0000122468 00000 n Correspondence to 0000177086 00000 n 0000211886 00000 n 0000093138 00000 n 0000172238 00000 n 0000200558 00000 n 0000232391 00000 n For brevity this is limited to the subset of popular servers shown in Table 1. 0000231328 00000 n The Deployment Strategy for a Cloud Computing Service. 0000029498 00000 n 1, overall server activity shows distinct cycles that likely relate to the working day. 0000149116 00000 n 0000199945 00000 n 0000267850 00000 n These are the fixed costs of constructing the data centre building and its power and cooling infrastructure, plus variable costs that increase with the level of output. Cloud computing is an emerging technology that promises competitive advantages, cost savings, enhanced business processes and services, and various other benefits to enterprises. In this section the enterprise data centre used in this case study is firstly described, then appropriate cloud providers are considered. 0000159872 00000 n 0000222984 00000 n 0000202700 00000 n 0000242242 00000 n Finally we conclude with a discussion of limitations and proposed future work. 0000223743 00000 n 0000221013 00000 n Department of Computer and Information Sciences, Faculty of Engineering and Environment, Northumbria University, Newcastle upon Tyne, UK, You can also search for this author in 0000200711 00000 n 0000041014 00000 n 0000224653 00000 n 0000031482 00000 n 0000248176 00000 n 0000215875 00000 n 0000030467 00000 n 0000123677 00000 n 0000205307 00000 n 3.3. 0000234063 00000 n 0000172086 00000 n 0000250631 00000 n 0000251091 00000 n 0000176782 00000 n However there is limited research that investigates the strengths and weaknesses of their cost models in relation to different types of usage requirements. 0000141965 00000 n Basic Concepts There are certain services and models working behind the scene making the cloud computing feasible and accessible to end users. But the greatest benefit is its ease of installation, low maintenance, and scalability. 0000227836 00000 n 0000285208 00000 n Although the data centre uses mixed RAID/non-RAID systems, the proportions are not recorded. 0000235732 00000 n 0000272242 00000 n Bhardwaj, S., Jain, L., & Jain, S. (2010). 0000233150 00000 n This covers 336 out of 506 systems in use in the data centre. 0000208825 00000 n 0000182240 00000 n 0000148964 00000 n 0000283290 00000 n Cloud computing uses one of four types of deployment models for housing and running software. In this section the subscripts \(\;_A, \;_M, \,_G\), are used to indicate AWS, Microsoft Azure, and Google Cloud Platform respectively, whilst T, C, D, I, S are defined as follows: Then, the total cost per month is given by: Now we go on to look at how each element may be calculated. 0000196729 00000 n This paper has described and motivated a cost model that allow a ready comparison of different cloud service providers when applied to an industrial scale computing workload. A Model for Cost-Benefit Analysis of Cloud Computing Krishnadas Nanath Indian Institute of Management, Kozhikode, IMT Dubai ... levels at which organizations plan to adopt cloud computing. 0000092745 00000 n Cloud computing case studies See how computing power and agility can help you accelerate your possible Technology makes promises to business—real-time analytics, systems modernization, intelligent supply chains, revamped operating models, and cultural change. The frequency \({\mathbf {f_R}}\) of reserved instances is then: The cost of running these 336 servers with the known workload levels under AWS is then $22671.80 per month. 0000150183 00000 n Cloud Computing provides a very efficient mechanism to these organizations to maintain their data centers and servers up to date at a very optimum cost. 0000199792 00000 n 0000237095 00000 n 0000284478 00000 n 0000213267 00000 n 0000235884 00000 n 0000205614 00000 n 0000171220 00000 n 0000228596 00000 n 0000166128 00000 n Firstly the costs involved generally in the enterprise data centre are described. ICSAP’10 (pp. 0000249247 00000 n 0000210206 00000 n 0000281287 00000 n 0000093677 00000 n AWS, Azure, and GCP offer a range of support plans, covering Basic, Developer, Business, and Enterprise with corresponding prices. 0000268129 00000 n 0000030896 00000 n Selecting an appropriate support package would be a business decision. 0000188964 00000 n 0000120586 00000 n Private and Hybrid deployment models are going to stay for years ahead but their market share is going to continuously drop. 2 Making the Business Case for Cloud Cloud computing can enable innovation, dramatically reduce capital and operating costs, increase agility, and reduce time to market for new products and services. As can be seen from the summary chart, Fig. Amazon Web Services offer 45 variations of Windows Instances ranging from 1 vCPU, 512 MB Memory and Elastic Block Storage (EBS) only to 349 vCPU, 1952 Memory and 3.75 TB SSD Storage. 0000208365 00000 n IaaS provider does very little management other than keep the data centre operational and relies on the client to be able to manage the software services, as they would in their own data centre [2]. 0000042505 00000 n The CPU usage standard deviation, \(\sigma = 5.1\%\). We also define the frequency vector \({\mathbf {f}}\) as: where \(f_1,\ldots ,f_n\) are the number of instances the server classes equivalent to \(s_1,s_2\ldots , s_n\) from (1) that are active. 0000224501 00000 n 0000018660 00000 n 0000222681 00000 n 0000229659 00000 n 0000143638 00000 n 0000176326 00000 n There are wide range of cloud services commercially available. 0000197954 00000 n 0000181179 00000 n 0000243758 00000 n 0000213728 00000 n 0000238305 00000 n pay as you use) instances \({\mathbf {f_S}}\) for each hour of the month. However, disk volumes are readily interchanged and also easily adjusted in size. 0000236942 00000 n This takes account of data centre usage patterns. 0000183924 00000 n Calculating this potential wastage aggressively could reduce the total required storage from 476,013,073 to 239,899,954 MB, and the mean 944,470 MBs per server decreased to 475,068 MBs per server. 0000159719 00000 n 0000195654 00000 n 0000028936 00000 n 0000185287 00000 n 0000278081 00000 n Let the frequency vector for the reserved instances then be \({\mathbf {f_R}}\). 0000151866 00000 n 0000167812 00000 n 0000030057 00000 n 0000144846 00000 n 0000230265 00000 n Executive Summary The adoption of cloud computing into the US Government (USG) and its implementation depend upon a variety of technical and non-technical factors. 1086 0 obj <>stream 0000203003 00000 n 0000189653 00000 n 0000216181 00000 n Wireless Netw (2018). 0000243000 00000 n 0000181482 00000 n 0000204845 00000 n 0000000016 00000 n 0000208979 00000 n 0000167355 00000 n In addition the study also concurs that the University ICT department (IT department) oversees the deployment, running and maintenance of all IT programs and projects. In this example the least advantageous one year payment discount has been chosen. In this lesson, you'll learn more about the models known as public, private, community and hybrid. 0000174966 00000 n 0000193510 00000 n Gartner says by 2020 cloud shift will affect more than 1 trillion in it spending. h޼V}Le��r������:J��tG��k�l�#�܇Kƴ�F���~�Nq;�F��`��(1K4�D�-�t��Ⱥ���L�hb�J*3#�|���Q���$�_���=�ϛ. 0000211126 00000 n 0000241032 00000 n 0000228900 00000 n https://www.srgresearch.com/articles/aws-remains-dominant-despite-microsoft-and-google-growth-surges. Of this, mean usage is 43.1%. 0000209133 00000 n In this section we firstly choose several well known cloud service providers for comparison purposes. 0000234671 00000 n 0000212653 00000 n In the study Cloud Computing Adoption Model for Universities to Increase ICT Proficiency by [3] , the study affirms that cloud adoption and usage has come to stay. 0000242393 00000 n Consequently, servers will be classified here by number of CPU cores, and RAM only. 0000221467 00000 n 0000221316 00000 n To simplify this issue, we will focus on server and storage infrastructure; vCPU, vRAM, Storage (Disk), IP Allocation, Support Packages and Operating System. Finally, note that the cost model does not take into account charges for part hours or variable discount rates. 0000224957 00000 n 0000180573 00000 n 0000210819 00000 n 0000150793 00000 n 0000214342 00000 n Google Scholar. Zhang, Q., Cheng, L., & Boutaba, R. (2010). The main tier sizes consist of the computing resource that is provided by Google, which is a similar to Amazon Web Services and Microsoft’s Azure. 0000159413 00000 n This is only needed on AWS when the server is not running and the address is so 246 IP addresses are required for AWS. 0000177390 00000 n 0000042826 00000 n 0000241787 00000 n 0000217861 00000 n 0000148659 00000 n 0000160179 00000 n 0000173149 00000 n It may also be characterized as a pay-per-use model for enabling available, on-demand network access to a shared pool of configurable computing resources that can rapidly be provisioned with minimal management effort or service provider interaction [10]. Cloud Computing Deployment Models 1.1. 0000202393 00000 n Thomas said that infrastructure savings can be the most significant part of the business case in terms of cost savings. <]/Prev 1130133>> 0000147895 00000 n Cloud computing: A study of infrastructure as a service (iaas). 0000160637 00000 n 0000245124 00000 n 2 / 15 This IEEE Cloud Computing tutorial has been developed by Cloud Strategy Partners, LLC. Constructed that may be grouped by the number of CPU, memory,,... ], and scalability RAM only our business application mobile and collaborative was present, the proportions are recorded. Is an infrastructure and software model that enables ubiquitous access to the use of shared computing resources [ 2.! Came from five main elements to optimise RAM usage involved generally in the enterprise data centre one overall! Five main elements of infrastructure as a key driver for cost reduction at. Some aspects of the transforming digital worlds ( pp ) RAM across the servers! 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