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通过阐述以太网无源光网络(EPON)系统信道传输数据方式以及动态带宽分配的工作原理,进一步研究了动态带宽分配算法(DBA)在EPON系统中的应用。提出一种基于服务质量(QoS)的EPON系统动态带宽分配机制,该机制根据不同业务的优先级和动态带宽分配算法,灵活地分配上行带宽,提高了带宽利用率,改善了服务质量。
The paper also describes the application of Dynamic Bandwidth Allocation Algorithm (DBA) in EPON system by describing the working principle of data transmission and dynamic bandwidth allocation in EPON system. This paper proposes a dynamic bandwidth allocation mechanism based on Quality of Service (QoS) for EPON system. This mechanism allocates uplink bandwidth flexibly according to priority of different services and dynamic bandwidth allocation algorithm, improves bandwidth utilization and improves service quality.