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Cloud computing


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  • 1. By: Saurav Mawandia Thejas Kumar G
  • 2. CLOUD COMPUTING Old days of computing What’s cloud computing? SaaS IaaS PaaS Wednesday feb 2013
  • 3. OLD DAYS When real men used to write their own device drivers ednesday Feb 2013
  • 4. MAINFRAMES The term originally referred to the large cabinets that housed the central processing unit (CPU) Later, the term was used to distinguish high-end commercial machines from less powerful units Wednesday Feb 2013
  • 5. MAINFRAMES The Good Powerful computers Zero downtime RAS (Reliability, Availability, Serviceability) The Bad Very expensive Not efficient Not customizable Wednesday Feb 2013
  • 6. Phases
  • 7. WHAT IS CLOUD? Cloud computing, I mean. Wednesday Feb 2013
  • 8. CLOUD COMPUTING “Cloud computing is a model for enabling convenient, on-demand network access to a shared pool of configurable computing resources that can be rapidly provisioned and released with minimal management effort or service provider interaction” --NIST Wednesday Feb 2013
  • 9. CLOUD COMPUTING - Wednesday Feb 2013 In simple words, Cloud computing is delivering of computing as a service rather than a product where we can share resources like software, platforms, infrastructures, etc as a utility. In simple words, Cloud computing is delivering of computing as a service rather than a product where we can share resources like software, platforms, infrastructures, etc as a utility.
  • 10. CHARACTERISTICS Agility API (REST-based) Cost (barrier to entry) Location independence Multi-tenancy Reliability Scalability Security Maintenance Metering Wednesday Feb 2013
  • 11. PRIVATE CLOUD Allows you to overflow load to public clouds Wednesday Feb 2013
  • 12. FLAVORS (services) PaaS (Platform as a Service) IaaS (Infrastructure as a Service) SaaS (Software as a Service) Wednesday Feb 2013
  • 13. PLATFORM AS A SERVICE PaaS is the delivery of a computing platform and solution stack as a service. PaaS offerings may include facilities for application design, application development, testing, deployment and hosting. Wednesday Feb 2013
  • 14. INFRASTRUCTURE AS A SERVICE Platform virtualization environment -- as a service. Rather than purchasing servers, datacentre space or network equipment, clients instead buy those resources as a fully outsourced service. Several market leaders at the moment Amazon EC2 Rackspace Wednesday Feb 2013
  • 15. SOFTWARE AS A SERVICE Software on demand: you are not buying the software, you are buying a service Pay-as-you-go business model No local server installation Rapid scalability Think of using GMail instead of installing Microsoft Exchange Wednesday Feb 2013
  • 16. EXAMPLES Google AppEngine (Python, Java) Heroku (Ruby on Rails) Amazon Beanstalk (Java) Windows Azure (.NET, Java, PHP, Ruby) Wednesday Feb 2013
  • 17. DEMO
  • 18. ADVANTAGES Pay per use y per use Instant Scalability Reliability Lower cost of ownership Reduce infrastructure management responsibility
  • 19. Threats No Physical access to servers y per use Giving all the private data to a third party Availability of data Abuse of trust Legal and compliance issues
  • 20. THREAT 1) Data Loss/Leakage 28.8% 2) Abuse and Nefarious use of Cloud Computing 17.8% 3) Insecure API’s 15.1% 4) Malicious Insiders 11.0% 5) Account/Service and Traffic Hijacking 9.6% 6) Unknown Risk Profile 9.6% 7) Shared Technology Vulnerabilities 8.2% Top Ranked Threats Survey Results by CSA
  • 21. THANK YOU