The resources can be used without interaction with cloud service provider. It provides a fundamental reference point for the development of. Cloud computing reference architectures, models and frameworks. In this case, users dont need to initiate a help desk ticket to install a productivity. The cloud computing reference model is an abstract model that characterizes and standardizes the functions of a cloud computing environment by partitioning it into abstraction layers and cross. This document presents the nist cloud computing reference architecture ra and taxonomy tax that will accurately communicate the components and offerings of cloud computing. In this paper, we explore the concept of cloud architecture and. The open cloud consortium thedistributed management task force standards for application developers standards for messaging standards for security unitvi. Nist definition of cloud computing cloud computing is a model for enabling convenient, ondemand network access to a shared pool of configurable computing resources e. This book is not sponsored by or affiliated with microsoft corporation. Recent years have witnessed a rapid increase not only in. Imagine picking up your smartphone and downloading a. Funding for software technologies and cloud computing under the horizon. Introduction to cloud computing 2 white paper executive summary a common understanding of cloud computing is continuously evolving, and the terminology and concepts used to define it often need clarifying.
Pdf cloud storage reference model for cloud computing. Cloud computing conceptual reference model identifies the major actors, their activities and functions in cloud computing. 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. Page 3 cloud computing reference cloud computing reference model model it characterizes and standardizes the function of a cloud computing environment by partitioning it into. N cloud computing 1 the delivery models include saas. The transformation of the modern educational environment of the university by the use of the cloudbased services and cloud computing cc delivery platforms is. The intention here is not to reinvent the wheel, but consolidate the elements contained across the different reference architectures, models and frameworks for cloud computing into a unified framework.
Computing networking theory, practice, and development lee chao. The nist definition characterizes important aspects of cloud computing and is intended to serve as a means for broad comparisons of cloud services anddeployment strategies, and to provide a baseline for discussion from what is cloud computing to how to best use cloud computing. Cloud computing is aimed at providing it as a service to the cloud users ondemand basis with greater exibility, availability, reliability and scalability with utility computing model. California enterprise architecture framework cloud. Cloud computing conceptual reference model cloud computing conceptual reference model identifies the major actors, their activities and functions in cloud computing.
Cloud computing nist definition cloud computing is a model for enabling convenient, ondemand network access to a shared pool of configurable computing resources e. Cloud computing cc reference architecture ra version 1. Cloud computing models can be mapped with layers of business value pyramid as shown in below diagram. A conceptual framework for designing data governance for cloud. Crosslayer functions it groups the cloud computing functions and activities into five logical layers and three cross layer functions. An overview of the most important reference architectures. The open group cloud ecosystem reference model the cloud. Current cloud computing reference architecture, models and frameworks. Cloud computing tutorial current affairs 2018, apache. The cloud reference model is a conceptual model that characterizes and standardizes the functions of a cloud computing environment. An overview of the most important reference architectures for cloud computing razvan zota, ionu. Accordingly, the demand for cloud computing has forced the development of new market offerings, representing various cloud service and delivery models. They lay the foundations of every computing infrastructure.
Cloud has essential characteristics such as ondemand selfservice, resource pooling, and rapid elasticitygiving organizations the. Cloud computing research issues, challenges, architecture. The goal is to accelerate the federal governments adoption of secure and effective cloud computing to reduce costs and improve services. Csa model of paas delivery of computing platform and solution stack as a. Cloud reference model understanding the relationships and dependencies between cloud computing models is critical to understanding cloud computing security risks. Pdf cloud computingstorage as service researchgate. Introduction cloud computing is rapidly emerging as a new paradigm for delivering computing as a utility 1. The impact of cloud computing on information systems agility. Nist cloud computing reference architecture recommendations of the national. A general model for application platforms our experience with application platforms today comes mostly from onpremises platforms. When you store data on or run programs from the hard drive, thats called local storage and computing.
Eufunded projects on software and cloud computing shaping. Working group and the reference architecture analysis team. While utility computing often requires a cloudlike infrastructure, its focus is on the business model for providing the computing services is based. The open group cloud ecosystem reference model the cloud ecosystem reference model. Cloud computing is a technology model for enabling the delivery of it resources i. These models significantly expand the range of available options, and task organizations with dilemmas over which cloud computing model to employ. In some cases, a selfservice model can be implemented for cloud services, similar to the way workers have become used to downloading and installing apps on their mobile devices. To help do this, figure 2 shows a general model that. Nist cloud computing security reference architecture. The hybrid service model of electronic resources access in. Pdf cloud computing is a paradigm shift that involves dynamic. Cloud computing is the next stage in the evolution of the internet, it provides the means through which everything from computing power to computing infrastructure, applications and business processes can be delivered to you as a service wherever and whenever you need them. It is another type of service model of cloud computing which provides a computing platform and solution stack as a service.
National institute of standards and technology nist 5 also points security challenges of cloud computing presents are formidable. Nist cloud computing reference architecture nist big data. Traditional model requires it team to build and support all infrastructure requirement for the organization. Cloud computing is a colloquial expression used to describe a variety of different computing concepts that involve a large number of computers that are connected through a realtime communication network typically the internet. Security standards are an abstraction at the component level and are needed to ensure that the many different components can be integrated into systems. Cloud computing conceptual reference model times of cloud. 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. Governance model for cloud computing in building information management. Press coverage can be vague or may not fully capture the extent of what cloud computing entails or represents. A useful way to think about cloud platforms is to see how the services an application developer relies on in the onpremises environment translate to the cloud. Cloud computing is an emerging model of business computing.
This document has been prepared by the national institute of standards and technology nist and describes standards research in support of the nist cloud computing program. Another example is the work of fernandez and monge fernandez and monge, 2014 in which they use cloudspecific patterns when discussing a. An overview of the technology and the issues facing american innovators before the committee on the judiciary subcommittee on intellectual property, competition and the internet july 25, 2012 chairman goodlatte, ranking member watt and members of the subcommittee, i. Overview and issues for implementation of the federal. The analysis of cloud computing models has shown that public cloud deployment model is likely to stay dominant and keep expanding further. This is the freedom that the cloud can provide for you or your organization.
Cloud computing offers load balancing that makes it more reliable. Reference architectures, models and frameworks help to make sense of cloud. Applications and services are accessed via the web, instead of your hard drive. Learn vocabulary, terms, and more with flashcards, games, and other study tools. Certain commercial entities, equipment, or material may be identified in this document in order to describe a concept adequately. Cloud computing, is a kind of computing model that came into existence around the. A fundamental reference point, based on the nist definition of cloud computing, is needed to describe an overall framework that can be used governmentwide. Below figure 1 presents an overview of the nist cloud reference architecture.
As the technology matures, the trend is for organizations to extend. It also serves as a portal to other cloud computing resources throughout the ieee and beyond. Whether public, private, or hybrid, cloud computing is becoming an increasingly integral part of many companies business and technology strategy. Screen shots and icons are reprinted by permission from microsoft corporation. Included are its initiatives on cloud computing, access to articles, conferences, interoperability standards, educational materials, and latest innovations. Elements highlighted in green are usually covered by existing cloud computing reference architectures, models and frameworks. Overview and issues for implementation of the federal cloud computing initiative congressional research service 2 cloud computing is a model for enabling ubiquitous, convenient, ondemand network access to a shared pool of configurable computing resources. Welcome to the ieee cloud computing web portal, a collaborative source for all things related to ieee cloud computing. Viewed in a broad sense, the concepts of cluster, grid and cloud computing seems to have similar features.
Researchers from mit believe that information technologys next grand challenge will be to secure the cloud 11. By providing on demand access to a shared pool of computing resources in a selfservice, dynamically scaled and metered manner, cloud computing offers compelling advantages in cost, speed, and efficiency. Cloud computing pdf notes cc notes pdf smartzworld. Iaas is the foundation of all cloud services, with paas building upon iaas, and saas in turn building upon paas as described in the cloud reference model diagram. Cloud computing is a significant advancement in the delivery of information technology and services. Cloud computing, reference model, metamodel, software architecture, modeldriven architecture. Pdf a reference model for developing cloud applications. Cloud computing is highly cost effective because it operates at higher efficiencies with greater utilization. What cloud computing is not about is your hard drive. Infrastructureasastructure service of cloud computing provides these services to cloud end users. Pdf a security reference architecture for cloud systems. Cloud services help companies turn it resources into a flexible, elastic, and selfservice set of resources that they can more easily manage. In its most simple description, cloud computing is taking services cloud services and moving them outside an organizations firewall on shared systems. The design for national cloud computing model is proposed in this paper.
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