计算机科学 ›› 2015, Vol. 42 ›› Issue (5): 142-148.doi: 10.11896/j.issn.1002-137X.2015.05.028
尹 星,张三峰
YIN Xing and ZHANG San-feng
摘要: 为了解决移动网络中移动路由器易出现的单点失效和性能瓶颈的问题,针对现有多宿方案不能同时处理多路由器和多接口混合多宿,以及需要修改网络内部节点等不足,提出了一种可以适用于混合多宿场景的移动网络多宿方案MM-NEMO。该方案定义了移动路由器外部接口常用的重要属性以及这些属性的维护方法,并通过多播技术在移动路由器之间动态地交换接口属性,使移动网络中所有外部接口的信息都以分布式存储的形式保存在每个移动路由器中;然后移动路由器对内部节点发起的通信使用基于信息熵的多属性决策机制进行最佳接口的选择、分配或重定向。特性分析表明,该方案可以同时满足多路由器、多接口以及混合场景的需求,并且对网络内部节点保持透明。仿真结果表明,该方案具有较低的端到端时延和较高的总吞吐量。
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