Choosing the right virtualization for your servers: An overview of the possibilities

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Choosing the Right Virtualization for Your Servers: An Overview of the Options

Virtualization technologies have revolutionized the way we operate and manage servers. They allow physical servers to be consolidated into virtual machines (VMs), resulting in more efficient use of resources, easier management, and greater flexibility. But with a variety of virtualization options on the market, choosing the right solution can be challenging. In this blog post, we take a look at the different server virtualization options and discuss their pros and cons.

1. Hypervisor-Based Virtualization

Hypervisor-based virtualization is one of the most common forms of server virtualization. It involves installing a hypervisor, a special software that allows multiple VMs to run on a single physical server. Popular hypervisors include VMware vSphere, Microsoft Hyper-V, and Citrix XenServer.


  • High performance: Hypervisor-based virtualization provides near-native performance for the hosted VMs.

  • Isolation: Each VM is isolated from the others, which improves security and stability.

  • Advanced features: Hypervisors offer a variety of advanced features such as live migration, snapshotting, and high availability.


  • License cost: Most hypervisors require purchasing licenses, which can increase costs.
  • Resource consumption: Hypervisors require additional resources, which increases the overall load on the server.

2. Container virtualization

Container virtualization is a more lightweight alternative to hypervisor-based virtualization. It uses containers to isolate and run applications and their dependencies without replicating the entire operating system environment. Docker is the most popular container orchestration tool, but there are others such as Kubernetes and LXC (Linux Containers).


  • Lower overhead: Containers share the host operating system kernel, which results in lower overhead and optimizes resource usage.

  • Scalability: Containers can be created, started, and scaled quickly, which is ideal for modern, dynamic applications.

  • Portability: Containers are portable and can be moved seamlessly between different environments.


  • Limited isolation: Containers share the kernel, meaning they are not as isolated as VMs.

  • Complexity: Container orchestration tools like Kubernetes can have a steep learning curve and require additional effort.

3. Edge virtualization

Edge virtualization focuses on running VMs and containers closer to the end users or end devices, rather than using centralized data centers. This can reduce latency and improve performance, especially for applications with high real-time processing requirements.


  • Improved performance: Running VMs and containers closer to the end user can reduce latency and improve performance.
  • Robustness: Edge virtualization provides additional redundancy and resiliency by distributing resources across multiple locations.


  • Complexity: Implementing and managing edge virtualization solutions can be complex and requires careful planning.

  • Scaling: Scaling edge virtualization solutions can be challenging, especially when multiple locations are involved.


Choosing the right virtualization for your servers depends on several factors, including your specific requirements, budget constraints, and technical skills. Hypervisor-based virtualization offers excellent performance and advanced features, while container virtualization is a lightweight alternative with high scalability and portability. Edge virtualization is ideal for organizations that need improved performance and resiliency for applications with real-time requirements. Ultimately, it is important to carefully consider your options and choose a solution that best fits your individual needs.

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