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Cloud Computing


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Cloud computing lets you use files and applications over the Internet. Learn about the benefits and drawbacks to cloud computing.

Cloud computing lets you use files and applications over the Internet. Learn about the benefits and drawbacks to cloud computing.

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  • 1. Cloud computing is location-independent computing, whereby shared servers provide resources, software, and data to computers and other devices on demand.
  • 2.  The concept was coined by John McCarthy in 1960.  The term cloud came into commercial use in the early 1990s generally refers to large ATM network.  By the 21st century the real concept of “cloud computing” has appeared most focus was on SaaS.  In 1999 , was established by Marc, Parker and his fellows.  IBM extended the concept in 2001.
  • 3. Private Cloud Public Cloud Hybrid Cloud Community Cloud
  • 4. Cloud computing providers offer their services according to several fundamental models Infrastructure as a service (IaaS) Platform as a service (PaaS) Software as a service (SaaS)
  • 5. This is the base layer of the cloud stack. It serves as a foundation for the other two layers, for their execution. The keyword behind this stack is Virtualization. Let us try to understand this using Amazon EC2. In Amazon EC2 (Elastic Compute Cloud) your application will be executed on a virtual computer (instance). You have the choice of virtual computer, where you can select a configuration of CPU, memory & storage that is optimal for your application. The whole cloud infrastructure viz. servers, routers, hardware based load-balancing, firewalls, storage & other network equipments are provided by the IAAS provider. The customer buy these resources as a service on a need basis. Infrastructure as a Service (IaaS)
  • 6. Now you don’t need to invest millions of $$$ to get that development foundation ready for your developers. The PaaS provider will deliver the platform on the web, and in most of the cases you can consume the platform using your browser, i.e. no need to download any software. PaaS Layers PaaS Examples Google app Engine and Window Azure are examples of Cloud OS. are cloud middleware. Platform as a Service (PaaS)
  • 7. • Next generation SaaS promises everything as a service over the internet. • Cloud computing started with a similar premise. • A computing paradigm where there exists a flexible set of computing resources across the internet.
  • 8. Cloud Service Providers  Microsoft  Google  Amazon  IBM  Sales force  ZOHO
  • 9. Advantages of Cloud Computing  Lower computer costs.  Device Indipendence  Improved performance. Unlimited storage capacity.  Increased data reliability.  Universal document access  Easier group collaboration
  • 10. Disadvantages of Cloud Computing  Requires a constant Internet connection. Features might be limited.
  • 11. Blue Cloud: 15 Nov 2007, IBM wants some of that Web 2.0 mojo. That is what is behind its announcement today of Blue Cloud, a set of “cloud computing” offerings that will be available to its corporate customers in the first quarter of 2008. Windows Azure: The Windows Azure platform is a flexible cloud computing pleatform that lets you focus on solving business problems and addressing customer needs. EC2: Amazon Elastic Compute Cloud EC2 allows users to rent virtual computers on which to run their own computer applications. App Engine: Offers users the ability to build and host web applications on Google's infrastructure.
  • 12. Data:-2013
  • 13. 300 600 900 1200 1500 2012 2013 2014 2015 2016 2017 AxisTitle Axis Title 2012 2013 2014 2015 2016 2017 Source: Institute of Engineering and Technology, IHS © Graphic New
  • 14.  It Provides Tremendous benefits to Companies.  You Pay only for Services that you use.  Cloud computing is now evolving like never before.  Cloud Computing is the fastest growing part of IT but still has security issues and somewhat it is immature.  But definitely, over a period of time, Cloud Computing will become the most promising technology in next few years.
  • 15.  Google  Wikipedia  