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引用次数: 2
摘要
本文研究了分布式光网络中的波长分配问题。我们提出了一种改进的基于优先级的动态波长分配算法——DPWA (dynamic and priority-based wavelength assignment algorithm)。提出的DPWA算法通过加入与当前波长利用状态相关的两个动态因子，可以有效降低平均阻塞概率，提高波长利用率。该改进算法还可以满足不同服务级连接请求的不同波长资源分配，这在实际网络中更为必要和重要。
A Novel Wavelength Assignment Algorithm for Distributed Optical Networks
In this paper, the wavelength assignment problem in distributed optical networks is studied. We propose an improved dynamic and priority-based wavelength assignment algorithm- DPWA (Dynamic and priority-based wavelength assignment algorithm). This proposed DPWA algorithm can effectively reduce the average blocking probability and improve the wavelength utilization ratio by adding two dynamic factors related to the present wavelength utilization state. This improved algorithm can also satisfy different wavelength resources assignment aware of different service-level connection requests, which is more necessary and important in practical networks.
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