> For the complete documentation index, see [llms.txt](https://doc.cncf.vip/kubernetes-handbook/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://doc.cncf.vip/kubernetes-handbook/gai-nian-yu-yuan-li/index/open-interfaces.md).

# 开放接口

Kubernetes作为云原生应用的基础调度平台，相当于云原生的操作系统，为了便于系统的扩展，Kubernetes中开放的以下接口，可以分别对接不同的后端，来实现自己的业务逻辑：

* **CRI（Container Runtime Interface）**：容器运行时接口，提供计算资源
* **CNI（Container Network Interface）**：容器网络接口，提供网络资源
* **CSI（Container Storage Interface**）：容器存储接口，提供存储资源

以上三种资源相当于一个分布式操作系统的最基础的几种资源类型，而Kuberentes是将他们粘合在一起的纽带。

![开放接口](/files/sHWTCqsPFirhdew7abXW)


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