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Cloud Computing


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Cloud Computing

  2. 2. What Is 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).  The name comes from the use of a cloud-shaped symbol as an abstraction for the complex infrastructure it contains in system diagrams.  Cloud computing entrusts remote services with a user's data, software and computation.
  3. 3. Types of Cloud Computing  Private • Private cloud is cloud infrastructure operated solely for a single organization, whether managed internally or by a third-party and hosted internally or externally.  Public • Public cloud applications, storage, and other resources are made available to the general public by a service provider.
  4. 4. Types of Cloud Computing(cont.)  Community • Community cloud shares infrastructure between several organizations from a specific community with common concerns (security, compliance, jurisdiction, etc.), whether managed internally or by a third-party and hosted internally or externally.  Hybrid • Hybrid cloud is a composition of two or more clouds (private, community or public) that remain unique entities but are bound together, offering the benefits of multiple deployment models.
  5. 5. Features of Cloud Computing  Cost  Agility  Security  Reliability  Scalability  Availability  Performance  Device and Location Independence
  6. 6. Cloud Computing Layers  Infrastructure • Cloud infrastructure services or "Infrastructure as a Service (IaaS)" delivers computer infrastructure, typically a platform virtualization environment as a service. Rather than purchasing servers, software, data center space or network equipment, clients instead buy those resources as a fully outsourced service.  Platform • Cloud platform services or "Platform as a Service (PaaS)" deliver a computing platform and/or solution stack as a service, often consuming cloud infrastructure and sustaining cloud applications. It facilitates deployment of applications without the cost and complexity of buying and managing the underlying hardware and software layers.
  7. 7. Cloud Computing Layers(cont.)  Software • Cloud application services or "Software as a Service (SaaS)" deliver software as a service over the Internet, eliminating the need to install and run the application on the customer's own computers and simplifying maintenance and support.
  8. 8. Issues Of Cloud Computing  Privacy  Security  Compliance  Sustainability
  9. 9. Cloud Computing Service Providers  Amazone  AppNexus  Google AppEngine  Go Grid  Microsoft Windows Azure  Rack Space  Savvis  Verizone  Vmware Cloud
  10. 10. Researches On Cloud Computing  Universities researching on cloud computing –University of Melbourne (Australia), Georgia Tech, Yale, Wayne State, Virginia Tech, University of Wisconsin Madison, Boston University, Carnegie Mellon, MIT, Indiana University, University of Massachusetts, University of Maryland, North Carolina State, Purdue, University of California, University of Washington, University of Virginia, University of Utah, University of Minnesota.