事件驱动架构
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* 分层架构 VS 软件架构模式: https://www.jianshu.com/p/dfb7fd88cd33
* 基于Kafka实现事件驱动架构: https://ouyblog.com/2018/08/%E5%9F%BA%E4%BA%8EKafka%E5%AE%9E%E7%8E%B0%E4%BA%8B%E4%BB%B6%E9%A9%B1%E5%8A%A8%E6%9E%B6%E6%9E%84
* [翻译]Kafka Streams简介: 让流处理变得更简单: http://www.cnblogs.com/devos/p/5616086.html