Whether public, private, or hybrid, cloud computing is becoming an increasingly integral part of many companies business and technology strategy. Cloud computing providers take care of most issues, and they do it faster. Applications that show high degree of variable demand for resources t the cloud computing model well. Ieee elearning library cloud service and deployment models transcript pg. Nist cloud computing reference architecture, nist document introduces the nist cloud computing security reference architecture nccsra or. The architecture is mainly divides the cloud architecture into two parts. Cloud computing attributes what makes the cloud so attractive. Cloud strategy partners, llc is an expert consultancy firm that specializes in technology and strategy relating to cloud computing. Initially driven by the deployment of it applications leveraging the economy of scale and multitenancy, the use of cloud computing has expanded to a much more diversi ed one. Vmware cloud infrastructure architecture case study purpose and overview the vmware cloud infrastructure suite cis consists of five technologies that together expand the capabilities and value that customers can realize from a virtualized infrastructure. Private cloud private clouds are onpremises solutions that are owned. Through the service, users can create their own it infrastructure complete with processing, storage and networking fabric resources that can be configured in any way, just as with a physical data center enterprise infrastructure.
Learn the definition of what is cloud infrastructure. Cloud computing page 2 of 6 an overview cloud computing is a computing paradigm, where a large pool of systems are connected in private or public networks, to provide dynamically scalable infrastructure for application, data and file storage. In the era of internet of things and with the explosive worldwide growth of electronic data volume, and associated need of processing, analysis, and storage of such humongous volume of data, it has now become mandatory to exploit the power of massively parallel architecture for fast computation. Infrastructure as a service microsoft operates and secures the base infrastructure and host operating system layers. For example, when we use a mail service such as gmail, watch a movie on youtube, shop at, or store files using dropbox, we are using cloud. Cloud computing and cloud services are often considered for both. A fundamental reference point, based on the nist definition of cloud computing, is needed to describe an overall framework that can be used governmentwide.
Cloud computing architecture our first definition the cloud computing architecture of a cloud solution is the structure of the system, which comprise onpremise and cloud resources, services, middleware, and software components, geolocation, the externally visible. Nist cloud computing security reference architecture. In a saas agreement, you have the least control over the. What are the advantages and disadvantages of cloud computing. These components typically consist of a front end platform fat client, thin client, mobile device, back end platforms servers, storage, a cloud based delivery, and a. A white paper from the open cloud standards incubator. Cloud computing architecture and applications intechopen. Cloud computing describes a broad movement toward the use of wide area networks, such as the internet, to enable interaction between information technology service providers and consumers.
In practice, cloud service providers tend to offer services that can be grouped into three categories. Although cloud computing is a great innovation in the world of computing, there also exist downsides of cloud computing. What is cloud computing, basic of cloud computing pdf. Itl develops tests, test methods, reference data, proof of concept implementations, and technical analysis to advance the. Since data management and infrastructure management in cloud. Cloud computing architecture cloud computing architecture comprises of many cloud components, which are loosely coupled.
Global content delivery system commercial caching internetbased. Cloud computing is a model for enabling ubiquitous, convenient, on demand network access to a shared pool of configurable computing resources e. Automatic software updates on a global average, in 2010, online companies spent 18 working days per month managing onsite security alone. Cloud services may include the following, as defined in the national institute of standards and technology nist cloud computing reference architecture. Evolution of cloud storage as cloud computing infrastructure service. These components are server, storage, networking and virtualization software. Get an answer to every single query about cloud computing, such as definition of cloud computing with cloud computing examples. Cloud service and deployment models ieee cloud computing. Cloud customer architecture for web application hosting. Media such as audio and video files are an example of this, and the network requirements for streaming data files can be made to scale in order to meet the demand without affecting the. Cloud providers must support virtual networks with high performance and a rich set of features such as load balancing, firewall, vpn, qos, dos protection, isolation, and nat, all while operating.
Cloud infrastructure means the hardware and software components. We would like to show you a description here but the site wont allow us. It allows to share the single physical instance of cloud resources between several tenants. Cloud computing architecture refers to the components and subcomponents required for cloud computing.
Download cloud computing pdf cloud computing basics pdf free download to understand the basics of cloud computing. But cloud computing suppliers do the server maintenance themselves, including security updates. Nist national institute of standards and technology 1 appears to include key common elements widely used in the cloud computing community. You control access and secure data, identities, applications, virtualized operating systems, and any infrastructure controls available from the cloud service. Cloud computing provides a cheap source of such computing framework for large volume of data for. This document presents the nist cloud computing reference architecture ra and taxonomy tax that will accurately communicate the components and offerings of cloud computing. Cloud computing definition, reference architecture, and. The cloud computing model enables cios, it project managers and procurement officials to direct their attention to innovative service. The living and evolving cloud aws services and basic terminology most applications need. Cloud computing is a model for enabling convenient, on.
Cis is designed to help organizations build more intelligent virtual infrastructures. Using cdmi and occi for a cloud computing infrastructure. Although many formal definitions have been proposed in both academia and industry, the one provided by u. Consistent with nists mission,1 the nist cloud computing program has developed a usg cloud computing technology roadmap, as one of many mechanisms in support of united states government usg secure and effective adoption of the cloud computing model 2 to reduce costs. It involves the interfaces and the applications that are necessary. The front end is the side of computer user or client. Software architecturesoftware architecture cloud computingcloud computing microservicesmicroservices 6. Monolithic software is designed to be selfcontained. Cloud infrastructure consists of servers, storage devices, network, cloud management software, deployment software, and platform virtualization. We can broadly divide the cloud architecture into two parts. Public clouds are owned and operated by a thirdparty cloud service providers, which deliver their computing resources, like servers and storage, over the internet. Web application hosting is ubiquitous in the computing world and represents a generic pattern that can be applied in many situations.
Which are the best cloud computing companies or cloud computing providers. Consistent with nist s mission,1 the nist cloud computing program has developed a usg cloud computing technology roadmap, as one of many mechanisms in support of united states government usg secure and effective adoption of the cloud computing model 2 to reduce costs. Cloud services help companies turn it resources into a flexible, elastic, and selfservice set of resources that they can more easily manage. A monolithic architecture is the traditional unified model for the design of a software program. These components are required to support the computing requirements of a cloud computing model. Distributed computing fallaciesdistributed computing fallacies 1. Hypervisor is a firmware or lowlevel program that acts as a virtual machine manager. With a public cloud, all hardware, software, and other supporting infrastructure is owned and managed by the cloud provider. The capability provided to the consumer is to use the providers applications running on a cloud infrastructure. This document presents the nist cloud computing reference architecture ra and taxonomy. Cloud service providers build their own cloud infrastructure to host services such as web hosting, software, application development, computing, or storage, among many others. Platform as a service a paas system goes a level above the software as a service setup.
1564 1376 697 1142 1510 209 1241 234 1632 683 730 1531 488 1200 842 1223 1563 1035 1560 1094 1289 1485 1156 1382 1139 1224 37 422 848 927