摘要
针对分层移动IPv6(HMIPv6)在重复地址检测(DAD)环节耗时严重的问题,提出一种基于快速DAD的HMIPv6切换算法。该算法通过引入IP地址分配管理(IAAM)模块建立DAD查表和地址主动生成机制,可大大加快DAD进程,且实现简单。仿真结果表明,经过算法优化后的HMIPv6(F-DAD-HMIPv6)可使域内切换延迟减少到202ms,域间切换延迟减少到339ms,优于MIPv6和HMIPv6。
To solve the problem that the duplicate address detection （DAD） in hierarchical mobile IPv6 （HMIPv6） links too time consuming, a handover algorithm based on fast DAD mechanism for HMIPv6 was proposed. By introducing the IP address allocation management （IAAM） module to establish the DAD-lookup and initiative address-generation mechanism, the proposed algorithm can greatly speed up the DADcourse and be implemented easily. Simulation results showed the HMIPv6 optimized by the algorithm （F-DAD-HMIPv6） could reduce intra-domain handover delay and inter-domain handover delay to 202ms, 339ms respectively and was superior to MIPv6 and HMIPv6.
出处
《通信学报》
EI
CSCD
北大核心
2008年第1期115-120,共6页
Journal on Communications
基金
国家高技术研究发展计划("863"计划)基金资助项目(2004AA103130)~~
关键词
分层移动IPV6
1P地址分配管理
重复地址检测
切换延迟
hierarchical mobile IPv6
IP address allocation management
duplicate address detection
handover delay
