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Vitual cloud

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this is use to mca students

this is use to mca students

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  • Sometimes called Utility computing
  • Transcript

    • 1. TECHNOLOGIES ON
      CLOUD COMPUTING
      ByB.P.SREEJITH VIGNESH
      (LECTURER)SRI VENKATESWARA COLLEGE OF COMPUTER APPLICATIONS & MANAGEMENT.
      COIMBATORE.
    • 2. EMERGENCE
      It’s a long way of Computing scenario
      SCIENCE for KNOWLEDGE
      SCIENCE for SOLUTIONS
      Virtualization
    • 3. Perspective
      What is Virtualization?
      • Virtualization means splitting up a single physical computer into several “virtual” computers.
      • 4. Each virtual operating system is a called a virtual machine(vm's) which is just a collection of files on a physical machine.
    • WHY VIRTUALIZATION
    • Virtualization -- a Server for Multiple Applications/OS
      Applications
      Applications
      Applications
      Applications
      Applications
      Applications
      Operating
      System
      Operating
      System
      Operating
      System
      Operating
      System
      Operating
      System
      Operating
      System
      Hardware
      Hypervisor
      Hardware
      Hypervisor is a software program that manages multiple operating systems (or multiple instances of the same operating system) on a single computer system.
      The hypervisor manages the system's processor, memory, and other resources to allocate what each operating system requires.
      Hypervisors are designed for a particular processor architecture and may also be called virtualization managers.
    • 9. CONCEPTUALIZATION
      TRADITIONAL SERVER
      CONCEPT
      Expensive to acquire and maintain hardware
      Not very scalable
      Difficult to replicate
      Redundancy is difficult to implement
      Vulnerable to hardware outages
      In many cases, processor is under-utilized
      VIRTUAL SERVER
      CONCEPT
      Highly redundant
      Highly available
      Rapidly deploy new servers
      Easy to deploy
      Reconfigurable while services are running
      Optimizes physical resources by doing more with less
    • 10. The Virtualization Types
      Server Virtualization
      Storage Virtualization
      Network Virtualization
      Application Virtualization
    • 11. Popular hypervisors
      Xen
      KVM
      QEMU
      virtualBox
      VMWare
    • 12. Issues in Virtualization for Cloud-Computing
      Software deployment
      Open-source
      Commercial products
      Re-installation or not
      Compatibility
      Legacy software/database
      virtualized resources as a
      service over the Internet.
      Virtualization
    • 13. CLOUD COMPUTING
      • Cloud computing is Internet-based computing, whereby shared resources, software and information are provided to computers and other devices on-demand, like electricity.
      • 14. you pay-as-you-go and use only what you need, all managed by a browser, application or API.
    • LAYERS
    • 15. SaaS
      Software delivery model
      No hardware or software to manage
      Service delivered through a browser
      Customers use the service on demand
      Instant Scalability
    • 16. PaaS
      Platform delivery model
      Platforms are built upon Infrastructure, which is expensive
      Estimating demand is not a science!
      Platform management is not fun!
    • 17. IaaS
      Infrastructure delivery model
      A platform virtualization environment
      Computing resources, such as storing and processing capacity.
      Virtualization taken a step further
    • 18. Cloud Deployment Models
      • Private Cloud (a.k.a. Internal Cloud)
      • 19. enterprise owned or leased
      • 20. Public cloud (a.k.a. External Cloud)
      • 21. Sold to the public, mega-scale infrastructure
      • 22. Hybrid cloud
      • 23. composition of two or more clouds
    • Difference
      Virtualization
      Virtualization is creating virtual versions of technologies like servers, operating system, network resources &storage devices.
      In virtualization, either its one operating system using multiple computers to evaluate database or a single computer controlling several machines
      Cloud Computing
      Cloud Computing make use of virtualized resources such as servers, computing devices and networks
      In Cloud Computing a database can be physically located somewhere in secure remote location and data can be accessed through clients computer using the database server to analyze and recover the data.
    • 24. BENIFITS
      Reduction in cost of infrastructure.
      Enhances flexible functionality of management.
      High accessibility of applications and data.
      Improves system compliance.
      Improved System Reliability and Security.
    • 25. ADOPTERS
      Microsoft Virtual Environment
      desktone Virtual Cloud model
    • 26. QUERIES

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