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What is Cloud Computing?

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What is Cloud Computing?

What is Cloud Computing?

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  • “Comes from the early days of the Internet where we drew the network as a cloud… we didn’t care where the messages went… the cloud hid it from us” – Kevin Marks, GoogleIt’s the Elephant Metaphor of Reality. It’s really interesting! Imagine an elephant and six blind men. Each blind man feels a part of the elephant and has to make a judgment on what it is. As you can see, they all have different interpretations of what is in front of them.This told me something.. We can never have all the answers. We have to look at all aspects possible when making a judgment, that’s true. But we can still never have ALL the answers. It was just an awesome revelation.
  • “Comes from the early days of the Internet where we drew the network as a cloud… we didn’t care where the messages went… the cloud hid it from us” – Kevin Marks, GoogleIt’s the Elephant Metaphor of Reality. It’s really interesting! Imagine an elephant and six blind men. Each blind man feels a part of the elephant and has to make a judgment on what it is. As you can see, they all have different interpretations of what is in front of them.This told me something.. We can never have all the answers. We have to look at all aspects possible when making a judgment, that’s true. But we can still never have ALL the answers. It was just an awesome revelation.
  • National Institute of Standards and Technology (NIST) promotes the U.S. economy and public welfare by providing technical leadership for the nation’s measurement and standards infrastructure.
  • Essential Characteristics
  • Financial year end calculations, reconciling books require additional compute and storage power, which may not be required during the rest of the year. Cloud computing makes perfect sense for this requirement, where IT capacity can be added on-demand and existing capacity in the Datacenter is augmented with a hybrid cloud. No need to pay for resources when you don’t use it-scale down
  • Scale up can cost more…So scale down if not needed. Decommission the machines to cut costs
  • No Human intervention
  • Combine Physical assets for better utilizationLeveraging a shared pool of compute resources is key. This Resource Pool is a collection of shared resources composed of compute, storage, and network that create the fabric that hosts virtualized workloads. Subsets of these resources are allocated to the customers as needed and conversely, returned to the pool when they are not needed. Ideally, the Resource Pool should be as homogenized and standardized as possible. Cluster Shared Volumes (CSV)A storage area network (SAN) is a dedicated network that provides access to consolidated, block level data storage. SANs are primarily used to make storage devices, such as disk arrays, tape libraries, and optical jukeboxes, accessible to servers so that the devices appear like locally attached devices to the operating system.
  • Transcript

    • 1. What is Cloud Computing? http://clean-clouds.comhttp://clean-clouds.com
    • 2. Definition of Cloud Computinghttp://clean-clouds.com
    • 3. Definition of Cloud Computinghttp://clean-clouds.com
    • 4.  Wikipedia ◦ Cloud computing is Internet-based computing, whereby shared resources, software and information are provided to computers and other devices on-demand, like a public utility.  Gartner ◦ Style of computing in which scalable and elastic IT- enabled capabilities are delivered as a service to external customers using Internet technologies  Forrester ◦ Standardized IT capability (services, software, or infrastructure) delivered via Internet technologies in a pay-per-use, self-service way. Defining Cloud Computinghttp://clean-clouds.com
    • 5.  Cloud computing is a model for enabling ◦ Ubiquitous, ◦ Convenient, ◦ On-demand network access to a shared pool of configurable computing resources ◦ Networks ◦ Servers ◦ Storage that can be rapidly provisioned and released with minimal management effort or service provider interaction. NIST Definitionhttp://clean-clouds.com
    • 6. Broad Rapid Measured On-Demand Network Elasticity Service Self-Service Access Resource Pooling NIST Definition - Characterisitcshttp://clean-clouds.com
    • 7.  Ubiquitous network access means that the cloud provider’s capabilities are available over the network and can be accessed through standard mechanisms by both thick and thin clients. Source: Google Ubiquitous Network Accesshttp://clean-clouds.com
    • 8. Rapid Elasticityhttp://clean-clouds.com
    • 9.  Elasticity is defined as the ability to scale resources both up and down as needed. To the consumer, the cloud appears to be infinite, and the consumer can purchase as much or as little computing power as they need. Scale DOWN VM VM VM VM VM VM Scale UP Rapid Elasticityhttp://clean-clouds.com
    • 10. Measured Servicehttp://clean-clouds.com
    • 11. Measured Servicehttp://clean-clouds.com
    • 12. On-Demand Self-Servicehttp://clean-clouds.com
    • 13. Resource Pooling Source: VMwarehttp://clean-clouds.com
    • 14. Download with Linkedin Username/Password http://clean-clouds.com
    • 15. Download with Linkedin Username/Password http://clean-clouds.com
    • 16. Download with Linkedin Username/Password http://clean-clouds.com
    • 17. Download with Linkedin Username/Password http://clean-clouds.com
    • 18. Download with Linkedin Username/Password http://clean-clouds.com
    • 19. http://clean-clouds.com

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