AOPS节点中基于业务分级的均衡调度算法

Balancing algorithm based on service levels for asynchronous optical packet switching node

异步光分组交换(AOPS)节点配置流量均衡功能后,可极大降低丢包率与平均时延。因此,提出了一种基于业务分级的动态均衡算法,仿真结果表明此算法可根据业务等级实现异步变长数据的动态均衡输出,端口丢包率最大降低2.05%,系统整体丢包率降低1.67%,小于0.017%;端口时延最大降低0.128ns,系统整体时延降低0.11ns,小于0.56ns。

The performance of asynchronous optical packet switching （AOPS） node is improved with the load- balancing function and the packet loss ratio （PLR） and average time delay are effectively reduced. This paper proposes a dynamic load-balancing algorithm considering service levels for AOPS switch architecture. Simulation works demonstrate that asynchronousvariant data can be balanced according to service levels. The most reduction of PLR at each portand the total system can be achieved 2.05% and 1.67%, respectively. The most reduction of time delay at each port and the total system can be achieved 0.128ns and 0.1 Ins, respectively.