Based on many articles both at home and abroad , this paper analyses the blocking probability in wdm networks with limited - range wavelength conversion . firstly we introduce two new models named the independence model and the correlation model to analyse the blocking probability for the limited - range wavelength conversion network 本文在结合了国内外大量文献资料的分析方法和重要结论的基础上,首先针对wdm网络中节点具有部分波长转换能力时网络阻塞率的计算这个问题提出了两种新的理论分析模型? ?独立模型和关联模型,通过理论推导对网络阻塞率进行了分析,并结合仿真结果得出了一些重要的结论。
Secondly , optical nodes usually do not possess the ability of wavelength interchange for the restriction of cost and technology , optical network brings out so - called wavelength continuity constraint because connection must be established on the path that be carried by the same wavelength between source and destination nodes 再者，波长转换技术和成本限制使得网络节点一般没有波长转换能力，源目的节点间的通信连接必须始终承载在同一波长通道上，产生了所谓的波长连续性限制。
Human capital is one of the crucial factors which drive regional economic growth , while set - up of production determines the level of regional resources - deploying and resources transformation , that is , the level of wealth - creating , the two are the different dimensions of regional economy , and the correlation study between the two is of great importance in theory and practice 人力资本与产业结构是现代区域经济增长的核心内容。人力资本是区域经济增长决定性动因之一，产业结构则反映区域资源配置与资源转换能力即财富创造能力的高低，二者是区域经济的不同侧面，其关联研究具有极为重要的理论与现实意义。
Then the result of certain k - shortest path algorithm is introduced as a set to be chosen by both the simulated anneal algorithm and heuristic algorithm , concerning the end - to - end traffic requirement and restriction on link bandwidth . afterwards , the effect of the value k on the outcome of the simulated anneal algorithm is researched . the network resource is allocated , while the study of link protection problem on traffic routing is introduced and two types of protection , shared protection and dedicated 首先考察实际的网络模型,根据业务需求,引入k路由算法的结果作为模拟退火算法和启发性算法备选路由集合,在链路带宽有限的约束下对网络资源进行分配,同时引入业务路由的通路保护问题的研究,实现了共享保护和专用保护两种通路保护方式;针对全波长转换网络和无波长转换能力网络,根据为所有连接请求所分配的总资源最少和满足请求的业务数目最多两种优化目标对资源分配进行优化,研究了备选路由集大小对模拟退火算法结果的影响;对模拟退火算法与启发性算法的
