论文部分内容阅读
在无缓存的全光OBS网络中由于相互竞争而被丢弃的数据突发是造成其高丢包率的主要原因,而分组调度策略可以从整体上改善OBS网络的这种缺点。本文建立了一种改进的分组调度映射模型,并提出了一种基于完全图的分组调度算法,该算法相对简单且容易实现,能够较好地解决OBS网络中由于数据突发的无序竞争所致的丢包问题,从而进一步提高网络的服务质量及其信道利用率。
The data burst discarded due to mutual competition in the cacheless all-optical OBS network is the main reason for the high packet loss rate. However, the packet scheduling strategy can improve the OBS network as a whole. In this paper, an improved packet scheduling mapping model is established and a complete graph-based packet scheduling algorithm is proposed. The algorithm is relatively simple and easy to implement and can well solve the disorderly competition in OBS networks due to data bursts Resulting in packet loss problems, thereby further improving the quality of service of the network and its channel utilization.