# FaaS-函數即服務 FaaS（Functions as a Service）函數即服務，FaaS是無服務器計算的一種形式，當前使用最廣泛的是AWS的Lambada。 現在當大家討論Serverless的時候首先想到的就是FaaS，有點甚囂塵上了。FaaS本質上是一種事件驅動的由消息觸發的服務，FaaS供應商一般會集成各種同步和異步的事件源，通過訂閱這些事件源，可以突發或者定期的觸發函數運行。 當前開源的FaaS框架大部分都是基于Kuberentes來實現的，例如： - [faas-netes](https://github.com/alexellis/faas-netes) - Enable Kubernetes as a backend for Functions as a Service (OpenFaaS) <https://github.com/alexellis/faas> - [fn](https://github.com/fnproject/fn) - The container native, cloud agnostic serverless platform. [http://fnproject.io](http://fnproject.io/) - [funktion](https://github.com/funktionio/funktion/) - a CLI tool for working with funktion <https://funktion.fabric8.io/> - [fx](https://github.com/metrue/fx) - Poor man's serverless framework based on Docker, Function as a Service with painless. - [IronFunctions](https://github.com/iron-io/functions) - IronFunctions - the serverless microservices platform. [http://iron.io](http://iron.io/) - [kubeless](https://github.com/kubeless/kubeless) - Kubernetes Native Serverless Framework [http://kubeless.io](http://kubeless.io/) - [nuclio](https://github.com/nuclio/nuclio) - High-Performance Serverless event and data processing platform - [OpenFaaS](https://github.com/openfaas/faas) - OpenFaaS - Serverless Functions Made Simple for Docker & Kubernetes [https://blog.alexellis.io/introducing-functions-as-a-service/](https://blog.alexellis.io/introducing-functions-as-a-service/) - [OpenWhisk](http://openwhisk.incubator.apache.org/) - Apache OpenWhisk (Incubating) is a serverless, open source cloud platform that executes functions in response to events at any scale. 關于整個Cloud Native開源生態，請參考[awesome-cloud-native](https://jimmysong.io/awesome-cloud-native)。