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Adaptive gateway discovery algorithm in MANET for internet connectivity
Author(s): ZHUANG Lin, LIU Yuan-an, LIU Kai-ming, ZHAI Lin-bo, LI Ru-nan, SHI Xiao-chen
Pages: 1157-
1161
Year: 2011
Issue:
4
Journal: Journal of Jilin University(Engineering and Technology Edition)
Keyword: 通信技术; 网关发现; 自适应; 非对称链路; AODV;
Abstract: 针对网关发现过程中因非对称链路的存在而造成节点盲目转发无效路由信息并导致性能恶化的问题,提出了一种移动自组网(MANET)与Internet互联的自适应综合网关发现算法。该算法对AODV协议消息进行扩展,通过转发捎带有本地连接信息的路由发现消息和网关通告消息,有效避免了全局路由建立于非对称链路之上。同时,采用一种高效自适应网关发现策略,根据网络状态动态调整网关通告的广播范围和发送间隔,实现网关通告的最佳覆盖。仿真结果表明,该算法能够获得良好的网络互联性能,并保持合理的网络控制开销。
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