Summary of virtualization technology development

Virtualization technology classification

Computing virtualization

Memory virtualization

Network virtualization

IO virtualization

Virtualization technology development stage

Virtual machine technology

Type 1 Hypervisor（ Native virtualization - Native or Bare-metal Hypervisors）

On behalf of the product ：CP-40 (as CP-67) for the IBM System/360-67, Vmware ESXi, KVM, Microsoft Hyper-V, Xen, IBM z/VM

Type 2 Hypervisor（ trusteeship - Hosted Hypervisors)

On behalf of the product ：Vmware Workstation, Oracle VirtualBox

Container technology

On behalf of the product ：Docker

Docker Analysis of container runtime structure , You can see

• https://www.threatstack.com/blog/diving-deeper-into-runtimes-kubernetes-cri-and-shims
• https://segmentfault.com/a/1190000011294361

Kubelet --> CRI --gRPC–> Dockerd --> Containerd --> Shim --> RunC -> Pod

Container sandbox

Provide lightweight containers , Virtual machine level isolation .

On behalf of the product ：Kata-container, Alibaba cloud security container

In current container technology , There are three typical container runtime technologies , Include Dockerd, Containerd（runC）, When the safety sandbox is running （runV). For specific comparison, see ：https://help.aliyun.com/document_detail/160313.html?spm=a2c4g.11186623.6.1125.3ba45987LCWA6u

Kata-Container framework , See https://github.com/kata-containers/kata-containers/blob/main/docs/design/architecture.md