Cloud computing
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Cloud computing is a model for enabling ubiquitous, convenient, on-demand network access to a shared pool of configurable computing resources (e.g. networks, servers, storage, applications, and services) that can be rapidly provisioned and released with minimal management effort or service provider interaction. It offers businesses and individuals the ability to access software and data storage over the internet rather than installing applications on their own computers. There are three main types of cloud computing services: Software as a Service (SaaS), Platform as a Service (PaaS), and Infrastructure as a Service (IaaS).
Cloud computing
- 2. Contents What is Cloud Computing Introduction Why cloud computing?? Cloud Services Application of Cloud Computing Benefits of cloud computing Cloud Architecture Types 3/10/2018 2
- 3. What is Cloud Computing?? • “Cloud” is actually a metaphor for the Internet. • Cloud computing is a paradigm in which information is permanently stored in servers on the Internet. •Cloud Computing is Internet-based computing, whereby shared resources, software, and information are provided to computers and other devices on demand, like the electricity grid 3/10/2018 3
- 4. • It offers the ability to access softwares or information that can be delivered on-demand, over the internet, without the need to store it locally…… • The cloud is a large group of interconnected computers. • It is a document-centric concept not PC centric. 3/10/2018 4
- 5. The Traditional Model : • Building and running applications complex, expensive, and risky. • Electricity needed to power the servers as well as the systems to keep them cool. New Model (Cloud Computing): • Provides all the infrastructure needed to run applications over the Internet. 3/10/2018 5
- 6. Cloud Services • Software as a Service (SaaS) • Platform as a Service (PaaS) • Infrastructure as a Service (IaaS) 3/10/2018 6
- 8. PRACTICALLY LIMITLESS AND EASILY ACCESSIBLE IT SAVES THE COST OF INFRASTRUCTURE AND HARDWARE MAINTAINANCE IT PROVIDES THE ACCESS TO COMMERCIALY AVAILABLE APPLICATIONS 3/10/2018 8
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- 11. • Public: The services are delivered to the client via Internet from a third party service provider Example: Amazon • Private: The services are managed and provided within the organization. There are less restriction on network bandwidth, fewer security exposures and other legal requirements compared to public cloud. Example: HP data centers • Hybrid: There is a combination of services provided from public and private clouds. 3/10/2018 11
- 12. References • http://www.infoworld.com/d/cloud-computing/what-cloud- computing-really-means-031 • http://www.pcmag.com/article2/0,2817,2372163,00.asp • http://webtrends.about.com/od/enterprise20/a/cloud- computing.htm • http://www.informationweek.com/news/services/hosted_ap ps/208700713 3/10/2018 12
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