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cloud computing

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  • Cloud computing is a model for enabling convenient, on-demand network access to a shared pool of configurable computing resources (e.g., networks, servers, storage, applications, and services) that can be rapidly provisioned and released with minimal management effort or service provider interaction.
    cloud computing customers do not own the physical infrastructure.
    Cloud computing users avoid capital expenditure (CapEx) on hardware, software, and services when they pay a provider only for what they use.
    Low shared infrastructure and costs, low management overhead, and immediate access to a broad range of applications
  • IaaSdelivers 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.
    PaaSdeliver a computing platform where the developers can develop their own applications.
    SaaSis a model of software deployment where the software applications are provided to the customers as a service.
  • Transcript

    • 1. COUD COMPUTING SHRUTI GUPTA Department of Computer Science
    • 2. What is Cloud Computing ?  Cloud ????????????
    • 3. Cloud + Computing  Cloud : Mass of infrasstructure.  Computing: computing part * platform as a service * infrastruce as a service
    • 4. GRID COMPUTING Emerging enables tchnology  Natural evaluation of distributed system and Internet.  Middleware supporting network of system to facilitate sharing standandardization and openness.  Infrastructure and application model dealing with sharing of compute cycles,data,storage and other resources. 
    • 5. Limitaions of grid computing Explosive growth in application biomedical informatics, space exploration, business analytics  Expenotial growth in compute capabilities: multi core,storage,bandwidth virtual machine  Very short cycle of obscenest in technology: windows 7-window8, java versions; c-C#; python 
    • 6. Answer is cloud computing Cloud computing environment can provide one or more of software these requirements for a cost.  Pay as you go model of business.  When using a public cloud the model is similar to renting the property than owning one.  An organization may also maintain a private cloud and use both 
    • 7. What is cloud computing Provide a variety of computing resources, from servers and storage to enterprise applications such as email, security, backups all deliver over the internet. It deliver a hosting environment that is immediate,flexiable, scalable,secure,and available while saving corporation money, time, resources
    • 8. Cloud computing is combination of Grid, virtulization, utility, automatic computing.
    • 9. Cloud Computing    Shared pool of configurable computing resources On-demand network access Provisioned by the Service Provider Adopted from: Effectively and Securely Using the Cloud Computing Paradigm by peter Mell, 10 Tim Grance
    • 10. eg Hotmail – first in application software Amazon- first in infrastructure as a storage devices ,data storage area Google-gdrive,microsoft- office 365
    • 11. Characteristics of cloud computing
    • 12. Types of cloud Location based 1.public 2. private 3.community 4.hybrid  Types of Services 1. Software as a Service(SaaS) 2.Platform as a Services(PaaS) 3.Infrastructure as a Service(IaaS) 
    • 13. Cloud Software as a Service (SaaS) Service Models Platform as a Service (PaaS) SalesForce CRM LotusLive Google App Engine Adopted from: Effectively and Securely Using the Cloud Computing Paradigm by peter Mell, 14 Tim Grance Infrastructure as a Service (IaaS)
    • 14. Cloud component Client  Data center(collection of servers where the application to which you subscribe is hosted )  Internet 
    • 15. Virtual Machines VM technology allows multiple virtual machines to run on a single physical machine App App Guest OS (Linux) VM App Guest OS (NetBSD) VM App App Guest OS (Windows) VM Virtual Machine Monitor (VMM) / Hypervisor Hardware . Xen VMWare UML Denali etc. Performance: Para-virtualization (e.g. Xen) is very close to raw physical performance! 16
    • 16. Advantages of cloud computing Lower computer cost  Improved performance  Reduce software cost  Instance software update  Improved document compatibility  Unlimited data storage  Data reliability  Device independence 
    • 17. Disadvantages of cloud computing Constant internet connection  Does not work well with low-speed connections  Features might be limited   Each cloud systems uses different protocols and different APIs
    • 18. Future of cloud computing
    • 19. Thank You