What is a cloud server and how it work?

WindowsGeek 21 Reputation points

Excuse me, I have a question and I'm sorry if it vague or odd. I'm thankful if anyone reply me clearly.
How a company make a cloud platform and provide service to others? Is Cloud a lot of servers in the world that clustered together? For example, a main server that running a hypervisor like Hyper-V with some VMs and this server clustered with a lot of servers to provide HA service.

Thank you.

Azure Virtual Machines
Azure Virtual Machines
An Azure service that is used to provision Windows and Linux virtual machines.
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  1. Moamen Hany 1,091 Reputation points MVP

    You can study more about Azure in Arabic here

    (Please don't forget to Accept as answer if the reply is helpful)

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  2. Dave Patrick 426.3K Reputation points MVP

    Something here may help.



    --please don't forget to Accept as answer if the reply is helpful--


    Regards, Dave Patrick ....
    Microsoft Certified Professional
    Microsoft MVP [Windows Server] Datacenter Management

    Disclaimer: This posting is provided "AS IS" with no warranties or guarantees, and confers no rights.

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  3. Andreas Baumgarten 100.3K Reputation points MVP

    The video is from 2013 but it explains how Microsoft Azure Datacenters look like:

    Windows Azure Data Centers, the 'Long Tour'

    Maybe this is helpful.


    Andreas Baumgarten

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  4. Stephane Budo 426 Reputation points

    At a very high level, you are correct to think of a cloud provider as just another datacentre with Hyper-V hosts bundled together to provide virtual machines resources to other companies.
    There are, of course, a lot of other considerations that comes into play once you start looking at the details, such as segregation (how to ensure that a VM belonging to company A cannot communicate with the VM belonging to Company B, while running the same host), security (make sure that no unauthorised access can get through), storage, etc.

    The above is referred to as "Infrastructure as a service" or IaaS in the cloud industry, and is effectively delivering the platform to other companies to run their virtual machines, so that those companies do not need to worry about hardware maintenance, datacentre management, hypervisor updates, etc.

    In addition, two other cloud categories are available today:

    • Platform as a Service or "PaaS"
      With this type of cloud service, the delivered workloads runs at a higher level than just VMs. For example, you can get a SQL database as a resource through this offering. This means that you no longer have to take care of virtual machines the SQL database runs on. It's yet another level of abstraction from the hardware up to the application
    • Software as a Service or "SaaS"
      Yet another level above PaaS, where everything (including the application) is maintained for you and you consume only the service itself. A great example of SaaS is email in the cloud (such as outlook.com or gmail) where you only consume the emailing services without having to maintain the hardware or software that comes with it.

    There are a lot more details that can be given, which would be too long to write within this forum. For more details, I would suggest to take a look at the Azure Fundamentals site:

    This will give you a great overview (in a modular, led learning way) of the basic of cloud computing, as well as the basics of Azure IaaS principles (VM, Storage, Networking), Security, and more...



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