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Cloud computing


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Cloud computing

  1. 1. CLOUD COMPUTING TECHNOLOGY SUBMITTED BY Manpreet Kaur 1209197 B.Tech.(C.S.E.) 7th Semester
  2. 2. Overview Cloud computing definition Cloud computing definition Cloud computing technology Cloud computing technology Cloud computing types Cloud computing types Cloud computing’s brother buzzwords Cloud computing’s brother buzzwords Pros and Cons of cloud computing Pros and Cons of cloud computing
  3. 3. Cloud computing definition Cloud computing is the use of computing resources (hardware and software) that are delivered as a service over a network (typically the Internet).
  4. 4. Cloud Computing Technology Cloud computing is a technology based on Internet system that provides remote data centers to manage information services and applications. Cloud computing allows individual users and companies administer files, information and applications without installing specific software on their computers just having Internet access.
  5. 5. Cloud computing providers offer their services according tothree fundamental models: Infrastructure as a service (IaaS) platform as a service (PaaS) software as a service (SaaS) where IaaS is the most basic and each higher modelabstracts from the details of the lower models.
  6. 6. Infrastructure as a service (IaaS) In this most basic cloud service model, cloud providers offer computers, as physical or more often as virtual machines, and other resources. IaaS refers not to a machine that does all the work, but simply to a facility given to businesses that offers users the leverage of extra storage space in servers and data centers. Examples are: Amazon Cloud Formation , Rackspace Cloud, Terremark and Google Compute Engine.
  7. 7. Platform as a service (PaaS) In the PaaS model, cloud providers deliver a computing platform typically including operating system, programming language execution environment, database, and web server. Examples are: Amazon Elastic Beanstalk, Heroku, EngineYard, Mendix, Google App Engine, Microsoft Azure and OrangeScape
  8. 8. Software as a service (SaaS) In this model, cloud providers install and operate application software in the cloud and cloud users access the software from cloud clients. It is common to refer to special types of cloud based application software with a similar naming convention: desktop as a service, business process as a service, test environment as a service, communication as a service. Examples are: Google Apps, innkeypos, Quickbooks Online, Limelight Video Platform, and Microsoft Office 365.
  9. 9. Cloud computing impact As a result, cloud computing has the potential to upend the software industry entirely, as applications are purchased, licensed and run over the network instead of a users desktop.
  10. 10. Cloud computing types Public cloud Community cloud Hybrid cloud Private cloud
  11. 11. Cloud computing’s brother buzzwords Cloud computing is becoming one of the next industry buzz words. And it has more or less relation with these words: Grid computing Distributed computing Utility computing Virtualization Computer cluster.
  12. 12. Grid computing Grid computing is a term for either of two broad subcategories of distributed computing: Online computation or storage offered as a service supported by a pool of distributed computing resources, also known as utility computing, on-demand computing, or cloud computing. The creation of a "virtual supercomputer" composed of a network of loosely-coupled computers, acting in concert to perform very large tasks and it is used in commercial enterprises for such diverse applications as drug discovery , e-commerce and web services.
  13. 13. Distributed Computing In distributed computing , a program is split up into parts that run simultaneously on multiple computers communicating over a network. Distributed computing is a form of parallel computing, but parallel computing is most commonly used to describe program parts running simultaneously on multiple processors in the same computer .
  14. 14.  Utility computing is a business model of providing computing . resource , user get and use the computing resource from service provider and pay for practically used resource. To say it simply, it is a price model based on resource usage quantity.  The main benefit of utility computing is better economics
  15. 15. Comparison of Utility Computing and Cloud Computing Utility computing is a business model, it is a type of price model to deliver application infrastructure resource. Cloud computing is a computing model, relates to the way we design, build, deploy and run applications that operate in a sharing resources and boasting the ability to dynamically grow, shrink and self-heal. Cloud computing Utility computing Monitor Meter Billing Payq
  16. 16. Virtualizationo Virtualization is a broad term that refers to the abstraction ofcomputer resources.o Virtualization hides the physical characteristics of computingresources from their users whether applications, or end users.o Virtualization technology is a aggregative term of technical meansand methods to implement virtualization.o It can be divided to many types based on objects: storagevirtualization, computing virtualization, network virtualization.
  17. 17. Computer clusterA computer cluster is a group of coupled computers that work togetherclosely so that in many respects they can be viewed as though they are asingle computer.Clusters are usually deployed to improve performance and/or availability overthat provided by a single computer, while typically being much more cost-effective than single computers of comparable speed or availability .
  18. 18. Pros of cloud computing Cost Efficient Almost Unlimited Storage Backup and Recovery Automatic Software Integration Easy Access to Information Quick Deployment
  19. 19. Cons of cloud computing Technical Issues Prone to Attack Possible downtime Security issues Cost Inflexibility Lack of support