How is a virtual server different from a physical server?

A virtual server is a software-defined server that can be created and configured through virtualization technology, whereas a physical server is a dedicated piece of hardware that runs its own operating system and resources.

  1. Virtualization technology: Virtual servers are created and configured through virtualization technology, which allows multiple virtual servers to run on a single physical server, each with their own operating system and resources. Physical servers do not use virtualization technology, they are a single dedicated piece of hardware.
  2. Resource allocation: Virtual servers can share and allocate resources, such as CPU, memory, and storage, as needed, while physical servers have fixed resources.
  3. Isolation: Virtual servers can be isolated from one another, providing a separation of concerns between different applications and services. Physical servers do not have this isolation feature.
  4. Scalability: Virtual servers can be easily scaled up or down as needed, whereas physical servers often require additional hardware to be added or replaced to accommodate changes in workload or traffic.
  5. Flexibility: Virtual servers can be created and configured to meet specific needs and requirements, and can be easily moved or copied as needed. Physical servers have a limited flexibility.
  6. Cost: Virtual servers can lead to significant cost savings on hardware and maintenance as multiple virtual servers can run on a single physical server, whereas physical servers require dedicated hardware which can be more expensive.
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