Major enterprises and small startups are beginning to embrace cloud computing. Infrastructure as a service iaas the infrastructure cloud provides storage and compute resources as a service which can be used by developers and it organizations to deliver business solutions. The cloud computing business model also is a revolutionary change from what it had been as the service delivery and charge follows a utility model where customers are required to pay only for. Oct 23, 2011 cloud computing business model can be viewed from the producers level for example you own one of the biggest cloud computing infrastructure, with one infrastructure you have the opportunity to generate huge revenue through various diverse business. Cloud computing can be defined as a model for enabling convenient, ondemand network access to a shared pool of configurable computing resources e. Cloud computing small and medium sized enterprises are beginning to use. The technology is really what makes cloud computing possible. Applications of control theory to cloud resource allocation. The handbook comprises four parts, which consist of 26 chapters. Intrusion detection for grid and cloud computing cloud and grid computing are the most vulnerable targets for intruder.
This book demonstrates how to implement robust and highly scalable cloud computing applications. Cloud computing is a relatively new computing model that provides on demand business or. For such environments, intrusion detection system ids can be used to enhance the security measures by a systematic examination of logs, configurations and network. It provides a fundamental reference point for the development of. Cloud services models cloud computing is able to provide a variety of services at the moment but main three services are infrastructureasaservice, platformasaservice and softwareas.
Development of mathematical model for marketoriented cloud computing k. Community cloud a community cloud is shared among two or. Nist visual model of cloud computing essential broad network rapid measured ondemand characteristics access elasticity service selfservice resource pooling service saas paas. Each actor is an entity a person or an organization that participates in a transaction or process andor performs tasks in cloud computing. Specifically, four controlrelated characteristics of the cloud computing business model are of particular concern.
Whether public, private, or hybrid, cloud computing is becoming an increasingly integral part of many companies business and. Major enterprises and small startups are beginning to embrace cloud computing for the scalability and reliability that cloud vendors can provide. Using vmware solutions, you can evolve to an ondemand, highly available and highly secure cloud computing modelwith automated service levels and standardized accessto immediately deliver cost efficiency and business agility. Pdf cloud computing a classification, business models. Industry bfsi business case unable to monitor and control what its agents mobile. Automatic software updates on a global average, in 2010, online companies spent 18 working days per month managing onsite security alone. Whereas most of the cloud computing reference architectures, models and frameworks proposed today apply to a single perspective. Cloud computing creating value for businesses across. Cloud computing nist definition cloud computing is a model for enabling convenient, ondemand network access to a shared pool of configurable computing resources e. A reference model for developing cloud applications mohammad hamdaqa, tassos livogiannis and ladan tahvildari department of electrical and computer engineering.
Nist visual model of cloud computing essential broad network rapid measured ondemand characteristics access elasticity service selfservice resource pooling service saas paas iaas models deployment public private hybrid community models public cloud available to general public owned and provisioned by an organization selling cloud services. Cloud computing pdf notes cc notes pdf smartzworld. This report explores the role of standards in cloud computing interoperability. The personal data privacy concerns for data users in the use of cloud computing are largely related to the loss or lack of control over the use, retentionerasure and security of personal. Several aspects of selecting a cloud architecture levels of cloud architecture issues in providing compute services issues in providing storage services considerations for network services cloud operations management service layers and adapting it operations to infrastructures. Cloud computing, based on a scalability design based around loose coupling, distribution, and replication of components, allows in a welldesigned and large cloud for essentially unlimited sizing of the underlying infrastructure, with the ability scale back down as well. But cloud computing suppliers do the server maintenance themselves, including security updates. Others say that cloud computing is a business model rather than a specific technology or service. Cloud computing is, at its core, about it capabilities. These models significantly expand the range of available options, and task organizations with dilemmas over which cloud computing model to employ.
The open cloud consortium thedistributed management task force standards for application developers standards for messaging standards for security unitvi. The term is generally used to describe data centers available to many users over the internet. Cloud computing conceptual reference model times of cloud. Implementing and developing cloud computing applications. Jul 15, 2014 cloud computing models can be mapped with layers of business value pyramid as shown in below diagram. It can be delivered through several service delivery models and multiple. The combination of cloud computing, wireless communication infrastructure, portable computing devices, locationbased services, mobile web, etc. As an emerging technology and business paradigm cloud computing has taken commercial computing by storm cloud computing platform provides easy access to a company high performance computing and storage infrastructure through web services.
Cloud computing the term cloud, as used in this white paper, appears to have its origins in network diagrams that represented the internet, or various parts of it, as schematic clouds. The nist definition of cloud computing cloud computing is a model for enabling ubiquitous, convenient, demand network access to a shared onpool of configurable computing resources e. Cloud computing networking theory, practice, and development lee chao. Several aspects of selecting a cloud architecture levels of cloud architecture issues in. A reference model for developing cloud applications mohammad hamdaqa, tassos livogiannis and ladan tahvildari department of electrical and computer engineering, university of waterloo, waterloo, ontario, canada keywords. Cloud computing is the ondemand availability of computer system resources, especially data storage and computing power, without direct active management by the user.
Automatic software updates on a global average, in 2010, online companies spent 18 working days per. Cloud computing reference architectures, models and frameworks. It covers cloudcomputing basics and standardrelated efforts, discusses several cloudinteroperability use. Cloud computing providers take care of most issues, and they do it faster. The resources can be used without interaction with cloud service provider. Mar 12, 2016 cloud computing allows consumers and business to use applications without installation and access their personal files at any computer with internet access. Whether public, private, or hybrid, cloud computing is becoming an increasingly integral part of many companies business and technology strategy. But given the ongoing questions, we believe there is a need to explore the specific. Cloud computing is a model for enabling ubiquitous, convenient, ondemand network access to a shared pool of configurable computing resources e. The name cloud symbolises an abstraction for complex infrastructure it contains in system diagrams.
Sahoo department of information technology birla institute of technology mesra, ranchi, india abstract cloud computing is an emerging approach to a shared. This report explores the role of standards in cloudcomputing interoperability. Cloud computing offers load balancing that makes it more reliable. Cloud computing, based on a scalability design based around loose coupling, distribution, and replication of components, allows in a welldesigned and large cloud for essentially unlimited. The cloud computing business model also is a revolutionary change from what it had been as the service delivery and charge follows a utility model where customers are required to pay only for what. Service model the service model on which you will host your applications, for example iaas, paas or saas. Cloud storage reference model for cloud computing citeseerx. Cloud computing models can be mapped with layers of business value pyramid as shown in below diagram.
This second book in the series, the white book of cloud security, is the result. Development of mathematical model for marketoriented. Cloud computing definition, reference architecture, and. Some sources refer to cloud computing as a set of applications delivered as services combined with the datacenter hardware and software that enables the applications. Service models of cloud computing cloud computing is a computational process in which services are delivered over a network using computing resources. Birla institute of technology mesra, ranchi, india g. What the definition of cloud computing reference model, architecture. As shown in figure 1, the nist cloud computing reference architecture defines five major actors.
Cloud services models cloud computing is able to provide a variety of services at the moment but main three services are infrastructureasaservice, platformasaservice and softwareasaservice also called as service model of cloud computing 12. Hybrid cloud a hybrid cloud is essentially a combination of at least two clouds, where the. It covers cloud computing basics and standardrelated efforts, discusses several cloud interoperability use cases, and provides some recommendations for moving forward with cloud computing adoption regardless of the maturity of standards for the cloud. Case study cloud computing the client the client, a leading healthcare insurance solution provider is a world leader in the field of health insurance, the organization offers innovative. It is not our intention to detail and critique them all individually. Current cloud computing reference architecture, models and frameworks.
The nist definition of cloud computing cloud computing is a model for enabling ubiquitous, convenient, demand network access to a shared onpool of configurable computing resources. The cloud reference model is a conceptual model that characterizes and standardizes the functions of a cloud computing environment. Cloud computing is an emerging model of business computing. Private cloud a private cloud is established for a specific group or organization and limits access to just that group. It is about providing the same resources, applications, infrastructure.
This booklet describes cloud computing and explains the benefits, concerns, types of cloud computing and what to. Cloud computing, reference model, meta model, software architecture, model driven architecture. Implementing and developing cloud computing applications by david e. The white book of cloud adoption is still available and provides a comprehensive overview of the whole topic. In this paper, we explore the concept of cloud architecture and. Using vmware solutions, you can evolve to an ondemand, highly available and. Infrastructure as a service iaas the infrastructure cloud provides. Service models are the reference models on which the cloud computing is based. Development of mathematical model for marketoriented cloud. The cloud computing and its related paradigms as grid computing, utility computing, and voluntary computing, with its proposed cloud business model ontology offers a clear framework to delineate. The role of standards in cloudcomputing interoperability. Current cloud computing reference architecture, models and frameworks as discussed there are many frameworks and models to choose from.
Jun, 2011 whereas most of the cloud computing reference architectures, models and frameworks proposed today apply to a single perspective. The personal data privacy concerns for data users in the use of cloud computing are largely related to the loss or lack of control over the use, retentionerasure and security of personal data entrusted to cloud providers. These can be categorized into three basic service models as listed below. Cloud computing business model can be viewed from the producers level for example you own one of the biggest cloud computing infrastructure, with one infrastructure. Vmware and cloud computing advanced network systems. In our opinion, cloud computing consists of both technological and business components. This whitepaper describes a reference architecture for cloud computing using a number of architectural views and models that include conceptual and logical perspectives. Cloud computing research issues, challenges, architecture.
But given the ongoing questions, we believe there is a need to explore the specific issues around cloud security in a similarly comprehensive fashion. Cloud computing is highly cost effective because it operates at higher efficiencies with greater utilization. Cloud services help companies turn it resources into a flexible, elastic, and selfservice set of resources that they can more easily manage. Cloud computing was coined for what happens when applications and services are moved into the internet cloud. Introduction cloud computing is a type of computing that relies on sharing computing resources rather than having local servers or personal devices to handle. Pdf cloud storage reference model for cloud computing. Screen shots and icons are reprinted by permission from microsoft corporation. Cloud computing business model the customize windows.
Cloud computing reference models, architectures, and frameworks. Cloud computing, reference model, metamodel, software architecture, model driven architecture. Case study cloud computing the client the client, a leading healthcare insurance solution provider is a world leader in the field of health insurance, the organization offers innovative health, accident and travel insurance across india. Cloud computing is highly cost effective because it operates at. The cloud computing and its related paradigms as grid computing, utility computing, and voluntary computing, with its proposed cloud business model ontology offers a clear. Pdf a reference model for developing cloud applications.
402 1419 1530 1425 127 965 552 264 509 1301 325 806 1122 477 1487 11 788 951 1209 1588 589 106 969 863 163 1382 886 652 1014 225 1179 900 1200 775 889 793 653 763 654 35 1157 15 322 205