Linux系统QoS原理与应用

The principle and application of QoS in Linux system

介绍Linux系统中网络服务质量的原理与应用。全文分两个部分,第一部分探讨了Linux系统上QoS的工作原理,Linux在系统内核中实现了QoS,其QoS管理的核心是流量控制,由队列规定、类和过滤器三部分构成;后一部分介绍了Linux系统提供的配置与监控流量控制的用户程序-tc,并给出了一个实际应有的具体案例。

This paper made up of two section,explores the working principle and application od QoS.This first section explores the working principle of QoS in Linux system.QoS achieves the core in Linux.The core of QoS in Linux system is traffic control,consisting of queueing descipline,class and filter.The second section introduces a user's program-tc,which servers for monitoring the traffic control and provides a practical application case.