However, in the most important standard-MCNS DOCSIS 1.1, no specific; scheduling is prescribed, and many papers have discussed it with modified First Come First Service(FCFS). In this paper, a scheduling algorithm with QoS support-PDBQ is introduced.

• 但是在当前最重要的标准 MCNS DOCSIS1.；1中；没有规定任何针对 QoS设计的调度算法；而很多文献都是以改进的先到先服务(FCFS)为基础讨论的。