VMs on ESXi run Windows and Linux operating systems near flawlessly. It’s also a powerhouse for many sizeable virtual desktop deployments running on VMware View or Citrix XenDesktop. And more recently VMware was in the news because they will soon power Google’s Chrome virtual desktop cloud and provide access to Windows application. How cool is that!
NDV Offers flexible billing options allowing you to choose from an hourly, resource-based billing, such that you only pay for the computing resources that you actually use, or pay monthly/quarterly for more consistent workloads. NDV also allows you to scale resources up and down in a moment’s notice to manage spikes and change in application usage patterns, further containing costs.
Virtual servers are scalable and come with dedicated core and memory allocations. They are a great option if you are looking for compute resources, that can be added in minutes, with access to features like image templates. The hypervisor is fully managed by IBM Cloud, and you can perform configuration and management tasks by using both the IBM Cloud customer portal and the API. Virtual servers are deployed to the same VLANs as physical servers, allowing you to spread workloads across virtual servers and bare metal servers while maintaining interoperability. Virtual servers are fully customizable when you 
order them, with options to scale up as your compute needs grow.
Virtual private servers have become a popular choice for web hosting because they offer many benefits of dedicated servers at a lower cost. They also provide the added benefit of easy scalability. Since each VPS is virtualized, the configuration can be updated with a software modification rather than a hardware upgrade. Still, dedicated servers often provide better performance since all the resources of the physical machine are dedicated to a single server.
I have multiple Linux machines at my home. Previously, when I needed SSH access to these machines I used to setup port forwarding on my router to each of these machines. It was a tedious process of enabling port forwarding and then disabling it after use. It was also difficult to remember port number forwarded for a particular machine. But now I found a cooler way to get SSH access to all my machines at home without setting up port forwarding or remembering any port numbers and most importantly, I can address my home machines with local subnet IP address, no matter wherever I connect from the internet.
Cloud hosting: This type of hosting is slightly more expensive than shared hosting (similarly priced to VPS hosting). Rather than using a single server to store and load your site, a cloud system distributes resources across many different computers for faster response times. However, this model typically doesn’t give you root access, and its distributed structure presents fundamental security challenges.

You can easily customize the network configuration for your Amazon VPC. For example, you can create a public-facing subnet for your web servers that has access to the Internet, and place your backend systems such as databases or application servers in a private-facing subnet with no Internet access. You can leverage multiple layers of security, including security groups and network access control lists, to help control access to Amazon EC2 instances in each subnet.
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