中文摘要：

以保证航空电子高速交换式网络的实时性和高带宽为目的，提出光纤通道（FC，Fibre Channel）通信协议承载于波分复用（WDM，WavelengthD ivision Multiplexing）传输机制之上的架构．采用适用于实时交换的周期性数据流模型，提出了基于负载匹配的输出轮询（LOR，Load-matching Output Round）调度算法．该算法仅使用一次仲裁即可达到输入／输出的最大匹配（100％）．给出LOR算法的核心代码，时间复杂度仅为O（1），易于在硬件中实现．最后通过将LOR算法嵌入到网络处理器中，注入时间敏感的负载流量，以服务质量特性（延迟、吞吐和超时消息数）为性能衡量指标进行实验，结果表明LOR算法在轻负载（30％）下，服务质量特性与经典算法（iSLIP，DRR，EDRR）基本持平；在重负载（70％）下，仅LOR算法能满足延迟的实时性要求，且LOR吞吐率高于经典算法近10个百分点，超时消息数比经典算法少了100个以上．

英文摘要：

To achieve avionics network＇s real-time and high bandwidth performance, the fibre channel （FC） over wavelength division multiplexing（WDM） architecture was established, which adopt the periodical flows for real-time communication in switches, and the scheduling algorithm based on load-matching output port round（ LOR） was proposed. Using only once arbitration, LOR could obtain input/output port＇s maximum matching （100%）. Core code of LOR was described after that, which had O （ 1 ） complexity and could be embed into hardware suitably. Finally, the experiments were conducted at network processor under time-sensitive load in term of quality of service （QoS） parameters （delay, throughput and overtime packets number）, and the results show that under low load （30%） LOR algorithm has the same QoS performance with traditional algorithms （iSLIP, DRR, EDRR） , but under heavy load （70%） only LOR could satisfy real-time delay con- straint, and throughput of LOR is nearly more than 10% than traditional algorithms, and overtime packet number of LOR is less 100 than traditional algorithms＇.