文章通过对ZyNOS 带宽管理的队列调度技术的研究，主要对ZyNOS 带宽管理CBQ调度技术实现的架构，主要操作模块和一些重要的参数进行了详细的分析。同时对它的一些相关技术：队列技术和循环轮转调度技术等也进行了介绍。关键词：ZyNOS，带宽管理，队列调度技术，CBQ，队列技术，循环轮转调度技术Abstract: This paper mainly introduces the framework, the primary operational modulesand some important parameters in the implementation of Class Based Queuingtechnology of ZyNOS bandwidth management, through the research about class basedqueuing of ZyNOS bandwidth management, And meanwhile, it also introduces someCBQ related technologies, such as queuing and round robin scheduling, and son on.Key Words: ZyNOS, bandwidth management, queue scheduling technology, CBQ,queuing, round robin scheduling