Yong Zheng, Min Han, Liuting He, Ya Li, Guanglin Xing, Rui Hou
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引用次数: 1
摘要
命名数据网络(Named data networking, NDN)是内容中心网络(content-centric networking, CCN)的典型表现和实现,是下一代互联网的基础。据我们所知,很少有研究考虑路由策略的多度量约束。为此,本文提出了一种基于蚁群优化(蚁群优化)的多约束路由策略,以满足支持NDN服务质量的多度量要求。在提出的路由策略(ACO-McQoS)中,将带宽、延迟和开销定义为度量。选择这些指标的最佳组合以适应不同的QoS请求。对最短路径路由、最大带宽路径路由、随机路径路由和ACO-McQoS进行了广泛的仿真。仿真结果表明,所提出的路由策略优于其他路由策略。
A QoS-supported Multi-constrained Routing Strategy Based on Ant-Colony Optimization for Named Data Networking
Named data networking (NDN) is a typical representation and implementation of content-centric networking (CCN) and serves as a basis for the next-generation Internet. To the best of our knowledge, very few studies have considered multi-metric constraints on routing strategies. Therefore, This paper proposes a multi-constrained routing strategy based on ant-colony optimization (ACO) to satisfy the multi-metric requirements for supporting the QoS of NDN. In the proposed routing strategy, namely ACO-McQoS, bandwidth, delay, and cost are defined as metrics. An optimal combination of these metrics is chosen to accommodate different QoS requests. An extensive simulation is conducted among the shortest path routing, maximum bandwidth path routing, random path routing, and ACO-McQoS. The simulation results show that the proposed routing strategy outperforms other.