> For the complete documentation index, see [llms.txt](https://jupiter-1992.gitbook.io/jupiter-note/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://jupiter-1992.gitbook.io/jupiter-note/hou-duan/netty/01-bio-nio-aio.md).

# 01 BIO、NIO、AIO

阻塞与非阻塞：线程访问资源，该资源是否准备就绪的一种处理方式。阻塞会一直等待资源就绪，而非阻塞会立即响应结果，先处理其他资源。

同步和异步：访问数据的一种机制。

![阻塞与非阻塞](https://raw.githubusercontent.com/chanshiyucx/yoi/master/2019/BIO-NIO-AIO/01_阻塞与非阻塞.png)

![同步与异步](https://raw.githubusercontent.com/chanshiyucx/yoi/master/2019/BIO-NIO-AIO/02_同步与异步.png)

![BIO](https://raw.githubusercontent.com/chanshiyucx/yoi/master/2019/BIO-NIO-AIO/03_BIO.png)

![NIO](https://raw.githubusercontent.com/chanshiyucx/yoi/master/2019/BIO-NIO-AIO/04_NIO.png)

![AIO](https://raw.githubusercontent.com/chanshiyucx/yoi/master/2019/BIO-NIO-AIO/05_AIO.png)

![生活实例](https://raw.githubusercontent.com/chanshiyucx/yoi/master/2019/BIO-NIO-AIO/06_生活实例.png)

![三者区别](https://raw.githubusercontent.com/chanshiyucx/yoi/master/2019/BIO-NIO-AIO/07_三者区别.png)

## Reactor 线程模型

![单线程模型](https://raw.githubusercontent.com/chanshiyucx/yoi/master/2019/BIO-NIO-AIO/08_单线程模型.png)

![多线程模型](https://raw.githubusercontent.com/chanshiyucx/yoi/master/2019/BIO-NIO-AIO/09_多线程模型.png)

![主从线程模型](https://raw.githubusercontent.com/chanshiyucx/yoi/master/2019/BIO-NIO-AIO/10_主从线程模型.png)


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