Definitions, characteristics, service models and deployment. A model for enabling ubiquitous, convenient, ondemand network access to a shared pool of configurable computing resources e. Cloud computing has been one of the most important innovations in recent years providing cheap, virtual services that a few years ago demanded expensive, local hardware. Using the abicloud, user can finish deploying a new service by just dragging a virtual machine with mouse. Cloud services help companies turn it resources into a flexible, elastic, and selfservice set of resources that they can more easily manage. As consumers, we think nothing of connecting to dropbox or using an online graphics program. It also refers to manipulating, configuring, and accessing the applications online. This new way of working delivers convenient and flexible services to. Cs6703 grid and cloud computing unit i scalable computing over the internet over the past 60 years, computing technology has undergone a series of platform and environment changes. The cloud infrastructure works for one organization. July, places cloud computing at the peak of the hype cycle. Protection of data and resources is data secure in multitenant env. As a cloudbased program, meaning it lives on the microsoft servers, we can log. Included are its initiatives on cloud computing, access to articles, conferences, interoperability standards, educational materials, and latest innovations.
A combination of lectures and handson programming assignments expose the student to the leading cloud computing paradigms and programming interfaces e. Benefits and challenges of cloud computing, evolution of cloud computing, usage scenarios and applications, business models around cloud major players in cloud computing. It is important to note that the scale of such benefits, the ability to capture them, and. With reusable components as well as shared architectures and applications, it encourages people to work together. This book is not sponsored by or affiliated with microsoft corporation. Cloud computing r regulation prepared by cse staff 1 unitii introduction cloud computing now a days there so many technologies such as cluster, grid, and now, cloud computing, have all aimed at allowing access to large amounts of computing power in a fully virtualized manner, by aggregating resources and. Introduction to cloud computing cloud computing in a nutshell computing itself, to be considered fully virtualized, must allow computers to be built from distributed components such as processing, storage, data, and software resources. Note that this figure refers only to softwareasaservice cloud services. The applications in cloud computing are fully decoupled from the underlying hardware. Cloud computing likely course topics introduction to cloud services, virtualization, paravirtualization, advanced networking, web services, serverside scripting languages and frameworks, cloud programming paradigms, cloud deployment and machine management, scaleup vs scaleout, cloud storage, cloud.
Oasis public administration cloud requirements pacr is a set of publicadministrationspecific attributes and operational requirements that are necessary in cloud computing services oasis has an extensive list of technology committees, so you can probably find one that is dealing with any cloud issue youd like to resolve. This policy applies to the use of public cloud computing i. Cloud computing practice note the term cloud computing is commonly used to refer to the delivery of hosted services over the internet. Note that it is always the enterprise itself the data controller that is ultimately responsible for ensuring that. Deployment and service models, characteristics, applications lecture 32 servicelevel agreement, virtualization lecture 33 highthroughput computing. Cloud computing cuts through the inefficient segregation across. Cloud computing offers web based infrastructure, application and database. Computer clusters using commodity processors, network interconnects, and operating systems. Cloud computing overcomes platform dependency issues by not installing software on local computers. It can be managed by the company itself internal private cloud. This type of infrastructure is accessible to a wide audience and belongs to a provider of cloud services. Task computing and taskbased application models lecture 34 marketbased management of clouds. Cloud computing networking theory, practice, and development lee chao.
Viewonly profiles for certain personnel rolebased, viewonly versus full control for certain resources control and flexibility for psaps to manage own resources and users. And professionals use it without even knowing about the actual concept. Cloud computing and grid computing 360degree compared. Hence, the business application mobile and collaborative is made by cloud computing. Characteristics, such as infrastructure, provisioning, network access, and managed metering are presented. Cloud computing is highly cost effective because it operates at higher efficiencies with greater utilization. Cloud computing offers load balancing that makes it more reliable. Computer scientists are predicting that perhaps cloud systems will be the next generation operating system. Another feature of the cloud computing services is that they are flexible.
Cloud computing is a computing environment centered on users and can use programs or documents stored respectivily in servers by operating an applied software such as web browser through diverse. Cloud computing governance and compliance is critically important for a key reason. These services are typically provided by third parties using internet technologies. Any user with an internet connection can access the cloud and the services it provides. Administration recently announced moving the governmentwide portal. Senthil raja computer science and engineering, srm university senthilraja. The cloud model is also advantageous in the sense that it reduces the scope of responsibility to the administrative activities carried out by the public administration while also introducing operational advantages such as the immediate and centralized application of updates and security patches. The lead adopter phase is over and a period of uncertainty, innovation and consolidation has begun as companies find practical uses for cloud computing.
The target of this thesis is to familiarize the reader with the concept of cloud computing, introduce the cloud computing models of the example countries, introduce the current state of cloud computing in the public administration in. Whether public, private, or hybrid, cloud computing is becoming an increasingly integral part of many companies business and technology strategy. About the tutorial cloud computing tutorial cloud computing provides us a means by which. The emerging field of cloud computing is an interesting one, and not just for businesses. In this technology the entire data is secured by firewall networks. Organizations today are implementing three primary delivery models for cloud. Cloud computing lecture notes in pdf format students are advised to follow their syllabus while studying jntuh jntuk jntua cloud computing cc study material and book. In the public administration pa sector challenges related to data. Gartner defines public cloud computing as a style of computing where scalable and elastic itenabled capabilities are provided as a service to external customers using internet technologiesi. A good summary of the detected legal issues can be found in the report supporting the digital. Cloud computing and grid computing 360degree compared 3.
As we have covered all topics but the topics provided in the notes are not tabulated according to latest prescribed syllabus. Security infrastructure protection against threats and vulnerabilities e. Cloud computing tutorial skill development centre, kothagudem cloud computing 3. They can be used to serve a large variety of workload types. Lecture 8 cloud security cloud computing software as.
Cloud computing and its applications in the world of. In due course of time cloud is going to become more valuable for us and we must protect the data we put on cloud while. It also serves as a portal to other cloud computing resources throughout the ieee and beyond. The resources can be used without interaction with cloud service provider. In simple terms, public cloud services are computing resources. From infrastructures to services in public administration. Public sector ict managers preparing for adoption of cloud computing should take.
What about cloud provider employees accessing data. 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 model2 to. Cloud computing and grid computing 360degree compared 2. The field of public administration benefits from the technology as well. In addition, lectures provide an overview of the underlying technological concepts that make cloud computing possible e. In private clouds, it activities or functions are provided as a service, over an intranet, within the enterprise and behind the organizations. Notes on cloud computing principles thomas sandholm1,2 and dongman lee2 correspondence. Cloud computing brings it services in form of utilities. Cloud computingdelivering infrastructure, services, and software on demand via the networkoffers attractive advantages to the public sector. Theory download pdf unit i cloud computing fundamentals.
Cloud computing is a style of computing in which dynamically scalable and often virtualized resources are provided as a service over the internet. Lecture notes and presentations requires mit certificates summary and goals. Depending on who you talk to, cloud computing is either i a revolutionary idea that is rapidly changing the face of computing, or ii an old idea whose time has come, or iii just hype, or iv evil. Role of cloud computing in the execution of egovernance services has led to an evergrowing need for secure and trustworthy cloud services. Cloud computing is the provision of services and applications through shared services or resources. Administration recently announced moving the governmentwide portal usa. Introduction to cloud computing minnesota department of. Technologies such as cluster, grid, and now, cloud computing, have all. Basic roots of cloud computing information technology essay. These services are offered from data centers all over the world and are collectively referred to as the cloud. Cloud computing definition, types of cloud, cloud services. The packaging of computing resources computation, storage etc. This white paper is an introduction to the terms, characteristics, and services associated with internetbased computing, commonly referred to as cloud computing. Cloud computing lecture 31 introduction to cloud computing, types.
This is much easier and flexible than other cloud computing platforms that deploy new services through command lines. Cloud computing defined cloud computing is a method of delivering information and communication technology ict services where the customer pays to use, rather than necessarily own, the resources. Given that cloud computing first and foremost is a new business model, a new model to sell computational resources, the understanding of these concepts is. Cloud computing insights from 110 implementation projects how are clouds used. In this section, we assess evolutionary changes in machine architecture, operating system platform, network connectivity, and application workload. It provided advice to assist public service organisations in making informed. Unit1 introduction to cloud computing cloud computing in a nutshell computing itself, to be considered fully virtualized, must allow computers to be built from distributed components such as processing. Cloud computing insights from 110 implementation projects. Top 20 cloud computing issues and challenges latest. So to put it in simple words, cloud computing is storing, accessing, and managing huge data and software applications over the internet. Screen shots and icons are reprinted by permission from microsoft corporation. Welcome to the ieee cloud computing web portal, a collaborative source for all things related to ieee 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. Join aaron quigley for an indepth discussion in this video notes in the cloud, part of office for educators. Most business organizations are currently using cloud to handle multitudes of business operations. Nowadays, three technological storms are, smart mobile devices, ubiquitous highspeed connectivity, and cloud computing. For the purpose of this advice note, cloud computing consists of a set of technologies. Basic roots of cloud computing information technology essay introduction. In the latter case, the infrastructure is dedicated to the company and accessible via secure vpntype networks. Cloud computing is often called the 5 th utility 2. These principles are frequently deployed in their respective fields, but their interdependencies are often neglected. Pdf cloud computing, the longheld dream of computing as a utility, has the. Cloud computing research issues, challenges, architecture.
Cloud computing can help public administration to decrease costs, standardize services in different locations, integrate public resources and provide a higher transparency in the government act. As business people, we use cloud computing applications like salesforce for crms, ms office 365 for productivity, and box for file sharing. The cloud computing environment is a fully virtualized environment. As part of the cloud strategy there is a much more elaborate activity which looks at many more standards, and also from other perspectives. What is clear, however, is that cloud computing systems run at.