计算机科学 ›› 2018, Vol. 45 ›› Issue (11): 87-91.doi: 10.11896/j.issn.1002-137X.2018.11.012
余建军1, 吴春明2
YU Jian-jun1, WU Chun-ming2
摘要: 虚拟网映射是实现网络虚拟化的关键环节,其任务是在满足虚拟网构建约束的前提下,把虚拟网的虚拟节点和虚拟链路分别映射到底层物理网的节点和路径上。文中根据虚拟节点映射是否已知、物理网是否支持路径分割、物理节点是否支持重复映射等特征,对虚拟网映射问题进行分类,并针对一般网络拓扑模型和某些特殊网络拓扑模型完成各类虚拟网映射可行问题和优化问题的计算复杂性分析。
中图分类号:
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