When to choose Hyper-V containers over VMs

Data center technology is evolving at a rapid pace, and it’s increasingly difficult for decision-makers to choose between different offerings. With each decision, you risk the technology not being suitable for all your line-of-business applications. For example, Hyper-V containers and VMs provide similar functions, but the underlying components work differently, and they each have their own use cases. When assessing the two instance types, it’s important to not only understand the differences between them, but also to consider your specific application needs.

Hyper-V containers are isolated at the Windows kernel level. Every Hyper-V container you deploy has its own copy of the Windows kernel. Containers are lightweight, because they don’t require you to deploy multiple components. The main difference between Hyper-V containers and VMs is where your application runs. As you can see in Figure A below, there are two Hyper-V hosts deployed: Hyper-V host A and B. Each Hyper-V host runs two VMs. VMs A and B are container VMs, and VMs C and D are traditional VMs.

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