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Thread: Cloud computing

  1. #1
    Join Date
    Nov 2005
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    609

    Cloud computing

    Cloud computing

    Cloud computing comes into focus only when you think about what IT always needs: a way to increase capacity or add capabilities on the fly without investing in new infrastructure, training new personnel, or licensing new software. Cloud computing encompasses any subscription-based or pay-per-use service that, in real time over the Internet, extends IT's existing capabilities


    Cloud computing refers to the delivery of computational resources from a location other than your current one. In its most used context it is Internet-based ("cloud") development and use of computer technology ("computing"). According to a 2008 paper published by IEEE Internet Computing "Cloud Computing is a paradigm in which information is permanently stored in servers on the Internet and cached temporarily on clients that include desktops, entertainment centers, tablet computers, notebooks, wall computers, handhelds, sensors, monitors, etc.The most important single characteristic of a cloud is abstraction of the hardware from the service.


    there except that we depend on reliably sending data to and receiving data from it. Cloud computing is now associated with a higher level abstraction of the cloud. Instead of there being data pipes, routers and servers, there are now services. The underlying hardware and software of networking is of course still there but there are now higher level service capabilities available used to build applications.

    In essence this is distributed computing. An application is built using the resource from multiple services potentially from multiple locations. At this point, typically you still need to know the endpoint to access the services rather than having the cloud provide you available resources. This is also know as Software as a Service (SaaS). Behind the service interface is usually a grid of computers to provide the resources. The grid is typically hosted by one company and consists of a homogeneous environment of hardware and software making it easier to support and maintain.Once you start paying for the services and the resources utilized, well that’s utility computing.

  2. #2
    Join Date
    Nov 2005
    Posts
    609

    Re: Cloud computing

    SaaS

    This type of cloud computing delivers a single application through the browser to thousands of customers using a multitenant architecture. On the customer side, it means no upfront investment in servers or software licensing; on the provider side, with just one app to maintain, costs are low compared to conventional hosting. Salesforce.com is by far the best-known example among enterprise applications, but SaaS is also common for HR apps and has even worked its way up the food chain to ERP, with players such as Workday. And who could have predicted the sudden rise of SaaS "desktop" applications, such as Google Apps and Zoho Office?
    Security is one critical issue that both companies must address. Depending on the SaaS provider, data can be encrypted from point to point, and since services are Web-based, they're very easy to patch.


    Cloud computing really is accessing resources and services needed to perform functions with dynamically changing needs. An application or service developer requests access from the cloud rather than a specific endpoint or named resource. What goes on in the cloud manages multiple infrastructures across multiple organizations and consists of one or more frameworks overlaid on top of the infrastructures tying them together. Frameworks provide mechanisms for:

    • self-healing
    • self monitoring
    • resource registration and discovery
    • service level agreement definitions
    • automatic reconfiguration


    The cloud is a virtualization of resources that maintains and manages itself. There are of course people resources to keep hardware, operation systems and networking in proper order. But from the perspective of a user or application developer only the cloud is referenced.

  3. #3
    Join Date
    Dec 2008
    Posts
    207

    Re: Cloud computing

    hay ya this is great i know about its good and lots of big organization use it .

  4. #4
    Join Date
    Jun 2006
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    623

    Re: Cloud computing

    The "cloud computing" is a concept evolved relatively recently, but its beginning date were originated a few years back, especially in the technology of grid computing, used for scientific computing. Cloud computing refers to the use of memory and computing capabilities of computers and servers around the world, and linked by a network, such as the Internet. Users of the cloud may well have considerable computing power and scalable. This technique is becoming a business now-a-days. The entire computing power and memory, designed as a tool, which is provided as a service to customers by a business is advertised by some professional industry as the final stage of industrialization data centers.

  5. #5
    Join Date
    Jul 2011
    Posts
    380

    Re: Cloud computing

    This concept has not becoming more common for people. Companies are introducing a new feature in support with Cloud Computing. Called as virtual platform you have a choice here to run vpn online and share a common virtual place with application support with others. Many applications, email services, online gaming networks, etc has integrated cloud storage within them to provide their users to avoid file storage in their local system. With a online cloud support you can access your file from anywhere.

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