Network Control Technologies to Improve Packet Blocking Performance in Optical Packet Switching Network

我们的最终目标是在下一代光分组交换网络中实现分组丢失性能的改善，同时考虑了光缓冲器、光波长转换等设备的限制。在本研究中，首先，我们在波长转换器和光缓存器之间建立了紧密协作的控制方法，改善了光分组交换的损耗性能。其次，建立了适用于光分组交换网络的连接级优先波长分配方法。最后，建立了分配给全网各路由的优先波长集(优先波长束)的确定方法。

Our final objective indicates realizing improvement in packet loss performance, in the next-generation optical packet switching network, taking device restrictions of an optical buffer, light wavelength conversion, etc. into consideration. In this study, first of all, we established tightly-cooperated control method between wavelength converters and optical buffers which improves the loss performance of an optical packet switch. Next, the connection-level prioritized wavelength assignment method suitable for an optical packet switching network was established. Finally, the determination method of the priority wavelength set (priority wavelength bundle) to assign to each route on entire network was established.