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Cloud Computing

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Cloud Computing

  1. 1. CLOUD COMPUTING
  2. 2. Cloud Computing  Distributed computing on internet Or delivery of computing service over the internet.  Instead of keeping data on your own hard drive you use a service over the Internet, at another location, to store your information or use its applications.  Cloud services are popular because they can reduce the cost and complexity of owning and operating computers and networks.  Cloud benefits to users include scalability, reliability, and efficiency.
  3. 3. HISTORY  "cloud computing" gradually evolved in 1950’s when large-scale mainframes were made available .  The real implementation of virtual machines came in the 70s when IBM released an operating system called VM.  In the 1990s, telecommunications companies began offering virtual private network (VPN) services with comparable quality of service, but at a lower cost.
  4. 4. Architecture
  5. 5. CHARACTERISTICS  Service  Rapid Elasticity  On-Demand Self-Service  Ubiquitous Network Access  Resource Pooling
  6. 6. TYPES OF CLOUD
  7. 7. Public Cloud  Public clouds are owned and operated by third parties, they deliver superior economies of scale to customers, as the infrastructure costs are spread among a mix of users, giving each individual client an attractive low-cost, “Pay-as-you- go” model. y third parties; they deliver superior economies of scale.
  8. 8. Private Cloud  Private clouds are built exclusively for a single enterprise.  They aim to address concerns on data security and offer greater control, which is typically lacking in a public cloud.
  9. 9. Hybrid Cloud  Hybrid Clouds combine both public and private cloud models.  With a Hybrid Cloud, service providers can utilize 3rd party Cloud Providers in a full or partial manner thus increasing the flexibility of computing.  The Hybrid cloud environment is capable of providing on-demand, externally provisioned scale
  10. 10. Cloud Computing Services  SaaS (Software as a service): Required software, Operating system & network is provided.  PaaS (Platform as service): Operating system and network is provided.  IaaS (Infrastructure as a service): just Network is provided.
  11. 11. Cloud Computing Services
  12. 12. Saas (Software As a Service )  We can access this cloud hosted application without any additional hardware or software.  E.g. : G-mail, Yahoo mail, Hotmail etc.,
  13. 13. Paas (Platform As a Service )  Give us nice API (Application Programming Interface) and take care of the implementation.  It is a platform for developers to write and create their own SaaS. i.e. applications.
  14. 14. Iaas (Infrastucture As a Service )  It is also known as hardware as a service.  Iaas is a computing power that you can rent for a limited period of time.  allows existing applications to be run on a cloud suppliers hardware.
  15. 15. ADVANTAGES  Software as a Subscription  Reduced Software Maintenance  Increased Reliability  Environmentally Friendly  Cost Reduction  Portability/Accessibility
  16. 16. DISADVANTAGES  Bandwidth could bust your budget  App performance could suffer  Data might not be cloud-worthy  Too big to scale
  17. 17. Conclusion  Cloud Computing is the fastest growing part of IT.  Tremendous benefits to customers of all sizes storage space.  Cloud services are simpler to acquire and scale up or down
  18. 18. conclusion  Public clouds work great for some but not for all applications.  Private clouds offer many benefits for internal applications.  Public and private clouds can be used in combination.
  19. 19. Real Time Application  Google -Network Made up of millions of servers, which stores amounts of data.  Amazon’s Elastic Compute Cloud-Amazon It provides resizable computing capacity on cloud, Developer’s only pay for capacity they use.

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