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Virtual Servers VS Cloud Computing Page Title Module
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  • Virtual Servers VS Cloud Computing

    What's the difference between Virtual Servers and Clouds?

  • #2
    Hmm, it's a though question. I guess cloud computing is the general name for 'remote computing'... Wikipedia defines cloud computing as "a computing capability that provides an abstraction between the computing resource and its underlying technical architecture (e.g., servers, storage, networks), 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."

    However virtual servers are using virtual machines. Virtual machines are the duplicates of real machines. They are designed to complete a single process. They are suitable for hosting processes...

    That's the all information I've got. But i'm curious on details!

    Comment


    • #3
      Virtual servers are computers that run inside of other computers. There are two common use-cases for virtual servers:
      1. Personal Computing

        If you need to run multiple operating systems (OSs), it's often convenient to choose one primary OS, and have your alternative OSs run inside of the primary one.

        For example, I have a laptop that runs GNU/Linux. When I need to run a Windows program, I open VMware Workstation and boot up a copy of Windows XP. Suddenly, I'm running Windows within GNU/Linux.

      2. Business Computing

        Say you need separate database, web, file, and Jabber servers. Rather than dedicating an entire computer to each of those services, you can set-up one physical (IE: real) server, and configure it to run multiple computers inside of it.

        Each of those computers that runs inside of the physical server is called a "virtual server" or "virtual machine".

        Creating this type of virtual environment has all sorts of benefits, including being very cost-effective, making server deployment and management much easier in large computing environments, etc.

      More info on virtual servers can be found on Wikipedia:
      Virtual private server - Wikipedia, the free encyclopedia
      Virtual machine - Wikipedia, the free encyclopedia

      Comment


      • #4
        A "cloud", as in "cloud computing", refers to a cluster/farm/etc of servers on which virtual servers run.

        These clouds are usually massive, and allow users to start and stop virtual servers on the fly. This can be quite convenient when additional computing power is needed sporadically.

        The most popular cloud computing platform is Amazon's EC2.

        As usual, Wikipedia has a good article on cloud computing.

        Comment


        • #5
          Cloud computing refers to a collaborative group of servers that share the same pool of resources and distribute workloads. A VS on the other hand, is simply a virtual environment of a dedicated server. Both are entirely different. Cloud computing refers to a method used to distribute workloads; a virtual server is a virtual duplicate of a dedi.

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          • #6
            Different definitions of cloud computing make it confusing. The general cloud concept is of a system that is highly scalable and not dependent on one physical server, so it's redundant from hardware failure.

            A VPS will be a virtualised 'slice' of a physical server. It will act much like it was its own server, with allocated RAM, Disk and CPU. However if that physical server fails, then all the virtual servers on it will be offline until it's repaired.

            You can find virtual servers on cloud platforms.

            -----------------
            Vimax
            Last edited by suwunk; 2010-10-09, 01:31 PM. Reason: Remove adv live link

            Comment


            • #7
              I was wondering about this as well when I was exploring the site and had a message pop up asking me what type of server I was involved with. Which would be better for someone who is interested in setting up a few small sites for personal and marketing purposes? These would be completely owned and operated by me and no one else.

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              • #8
                Is Cloud generally considered to be the way to go now then? I'm still not clear on the issue and just wonder if it's something that I should be sure to look out for whenever I browse through my hosting options.

                Comment


                • #9
                  From a Cloud

                  I'd say that cloud computing includes a more robust suite of capabilities. But you'll probably only need to look into it if you have a larger company that requires a great deal of server activity.

                  Comment


                  • #10
                    Still confused...

                    Your definitions and explanations are all well and fine, but how would you explain the difference between cloud computing and virtualisation to a NON-IT person / the local village idiot who knows nothing about complex matters such as this? Please dumb it down more.

                    Comment


                    • #11
                      This explanation above was pretty clear:

                      "Say you need separate database, web, file, and Jabber servers. Rather than dedicating an entire computer to each of those services, you can set-up one physical (IE: real) server, and configure it to run multiple computers inside of it.

                      Each of those computers that runs inside of the physical server is called a "virtual server" or "virtual machine".

                      Creating this type of virtual environment has all sorts of benefits, including being very cost-effective, making server deployment and management much easier in large computing environments, etc."

                      Comment


                      • #12
                        also confused

                        I also get confused by all of these technical terms. For instance, I've heard the term "scalable," but I'm still not sure what it means or what it refers to.

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                        • #13
                          All I can say is that the more I use cloud computing, the harder it is for me to imagine life without it.

                          Comment


                          • #14
                            Cloud Computing Video Explanation

                            Hey All,

                            This video on
                            youtube.com/watch?v=ae_DKNwK_ms
                            Cloud computing from Salesforce might help explain in more laymans terms what its all about. I always find videos easier than text explanations.

                            Hope this helps!
                            Last edited by suwunk; 2010-10-09, 01:30 PM. Reason: remove adv link

                            Comment


                            • #15
                              Hope this picture help

                              Virtual Server
                              http://i902.photobucket.com/albums/a...alserver-2.jpg

                              Cloud computing
                              http://upload.wikimedia.org/wikipedi...puting.svg.png

                              Comment

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