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计算机网络 | IO多路转接技术 | select详解

1. 什么是IO多路转接IO操作方式有两种阻塞等待优点：不占用CPU时间片缺点：同一时刻只能处理一个操作，效率低下非阻塞(忙轮询)优点是提高了程序的执行效率，缺点是需要占用更多的CPU和系统资源只有一个任务时多个任务对于非阻塞方式多任务的场景，也就是上图中的情况，解决方法是使用IO多路转接技术，常用...

突破网络瓶颈：提升性能的必备技术——Linux网络IO与select详解

一、IO的定义 IO 即“Input”和“Output”的组合，即输入/输出，IO用来处理设备之间的数据传输。socket/fd也是一种IO。二、socket的定义 socket 的译意是“插座”，在计算机通信领域，socket 也被翻译为“套接字”，它是计算机之间进行通信的一种方式。通过 soc...

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[帮助文档] D2D通信技术的适用场景、特点和控制台说明

D2D通信技术，是阿里巴巴LinkWAN团队开发的新型LoRa通信技术，通过实现长前导码唤醒和本地数据控制功能，可很好满足功耗较低，响应时间较快和本地控制的场景需求。

[帮助文档] LinkWAN网管核心和D2D通信技术的产品优势

本文介绍Link WAN网管核心与自建核心能力间的差异以及D2D通信技术。

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更新时间 2024-04-30 18:34:40

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