# 定制和集成

**注意：本书中的 Service Mesh 章节已不再维护，请转到** [**istio-handbook**](https://www.servicemesher.com/istio-handbook) **中浏览。**

例如Istio这样的Service Mesh中有很多地方可以给大家定制，例如作为数据平面的sidecar，虽然默认使用的是Envoy，但是你可以开发自己的sidecar代理；还有Mixer中的各种adpater，你也可以开发自己的adapter来扩展遥测和鉴权功能，[Consul Connect](http://www.servicemesher.com/blog/consul-1-2-service-mesh/)就是个例子。

当前可选择的开源的代理可以在[landscape](http://layer5.io/landscape/)里找到，例如使用nginMesh替代Envoy作为数据平面。下图是使用nginMesh作为sidecar的架构图。

**nginMesh**

![nginMesh架构图](/files/-LxznGL8mlZVIu07bqvH)

通过扩展Istio Mixer adapter来对接不同的监控后端。

![Mixer adapter](/files/-LxznGLAQIplg713GjRo)

**SOFAMosn**

还有蚂蚁金服开源的Go语言版的数据平面[SOFAMosn](https://github.com/sofastack/sofa-mosn)，这是也兼容Istio的SOFAMesh的一部分，也可以单独作为代理使用，详见：[SOFAMesh & SOFA MOSN—基于Istio构建的用于应对大规模流量的Service Mesh解决方案](https://jimmysong.io/posts/sofamesh-and-mosn-proxy-sidecar-service-mesh-by-ant-financial/)。

![SOFAMesh](/files/-LxznGLCQWPDhZ3go5EL)

[SOFAMosn](https://github.com/sofastack/sofa-mosn)的模块架构图。

![SOFAMosn模块架构图](/files/-LxznGLHoUD4t_RLsxkJ)

在未来我们会看到更多定制的数据平面和Mixer适配器出现。


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