# OpenContrail

OpenContrail 是 Juniper 推出的开源网络虚拟化平台，其商业版本为 Contrail。

## 架构

OpenContrail 主要由控制器和 vRouter 组成：

* 控制器提供虚拟网络的配置、控制和分析功能
* vRouter 提供分布式路由，负责虚拟路由器、虚拟网络的建立以及数据转发

![](/files/-LM_sBOwWbgqE_KL_LA_)

vRouter 支持三种模式

* Kernel vRouter：类似于 ovs 内核模块
* DPDK vRouter：类似于 ovs-dpdk
* Netronome Agilio Solution (商业产品 )：支持 DPDK, SR-IOV and Express Virtio (XVIO)

![](/files/-LpOEiaCDOEHzs3m7j24)

**参考文档**

* <http://www.opencontrail.org/opencontrail-architecture-documentation/>
* <http://www.opencontrail.org/network-virtualization-architecture-deep-dive/>


---

# Agent Instructions: Querying This Documentation

If you need additional information that is not directly available in this page, you can query the documentation dynamically by asking a question.

Perform an HTTP GET request on the current page URL with the `ask` query parameter:

```
GET https://kubernetes.feisky.xyz/extension/network/opencontrail.md?ask=<question>
```

The question should be specific, self-contained, and written in natural language.
The response will contain a direct answer to the question and relevant excerpts and sources from the documentation.

Use this mechanism when the answer is not explicitly present in the current page, you need clarification or additional context, or you want to retrieve related documentation sections.
