A novel hybrid switching architecture using optical circuit switching for intra-subnet communication and fiber channel(FC)for inter-subnet communication is proposed.The proposed scheme utilizes small-size arrayed waveguide grating routers(AWGRs)and legacy FC switches to construct the large-scale avionic network,thus has the potential of the lower latency,the satisfactory network bandwidth and the lower power consumption.The simulation results verify that the proposed architecture outperforms FC switched architecture in terms of real time performance and power consumption.
面向航空电子应用的FC网络是一种具有确定性和实时性的通信网络。由于WDM具有轻质、高容量、多协议透明传输等多种优点,以波分复用为特征的先进光网络已经成为未来航空机载网络的技术选择目标。针对航空电子网络发展趋势,提出一种基于FC over WDM的航电光纤网络架构。该架构兼容了航电系统对延迟确定性和带宽可扩展性的需求,可实现对现有FC航电光纤网络的平滑升级。通过采用自主研制的FC仿真卡建立地面仿真环境对该架构进行实验仿真,从功能和系统性能两个方面验证了在航电光纤网络中引入WDM和光交换技术的合理性。
