延迟与带宽受限智能静态通信量疏导模式

Delay and Bandwidth Constrained Intelligent Static Traffic Grooming Scheme

基于分层图,在满足用户通信量请求延迟与带宽约束的前提下,以最大化用户通信量请求总体延迟满意度和最小化网络费用为目标,应用正交设计演化思想,引入小生境种群和杂交,设计了一种IP overDWDM光Internet中的延迟与带宽受限智能静态通信量疏导模式.基于VC++6.0,仿真实现了该模式,在多个实际网络拓扑上进行了性能评价,并且与已有疏导模式进行了对比.研究结果表明,该模式是可行和有效的,具有较好的性能.

Based on the layered graph, a delay and bandwidth constrained intelligent static traffic grooming scheme is proposed in IP over DWDM optical Intemet. With the idea of orthogonal design evolution, ecological-niche population and the hybridization are introduced into the scheme to maximize the comprehensive user traffic request delay satisfaction degree and minimize the network cost simultaneously. The scheme proposed was simulated with VC ＋ ＋ 6.0 and compared with certain existing traffic grooming scheme. Several performance indices of the scheme were evaluated, such as the comprehensive measure and blockage rate of traffic grooming request, over some actual network topologies. Simulation results showed that the proposed scheme is both feasible and effective with better performance.