OBS核心节点控制系统处理能力研究

搭建了光突发交换测试系统，重点分析了在极限情况下的光突发交换系统核心调度模块的处理能力最低要求。测试系统的研究对象是在光突发交换系统网络控制信道上传输的突发控制分组；测试环境是有突发性的高负载业务流；测试结构是8个多波长边缘节点和1个核心节点组成的复杂光突发交换系统。通过结果分析，找出了极限情况下控制系统需要的最低服务速率；然后提出了控制系统的优化设计方案。
关 键 词 光突发交换; 边缘节点; 核心节点; 最低服务速率

Abstract Optical Burst Switching is considered as an efficient switching technique in building the next generation optical Internet. But as far as we know, there is no research about the control system of the OBS core node with multi edge node under high traffic load.
This paper deals with the BHP to research the performance of the control system under such circumstance. A new simulation model is introduced and the performance of the OBS core node is evaluated. Based on the simulation results we can find the way to design the OBS control system, which can give satisfy throughout rate of the input BURST.
Key words optical burst switching; edge node; core node; lowest serve rate