移动无线Internet中基于CHMMP的组播机制  

A Multicast Mechanism Based on CHMMP in Mobile Wireless Internet

作　　者：王兴伟[1] 宋波[1] 孙学博[1] 黄敏[2] 

机构地区：[1]东北大学计算中心,辽宁沈阳110004 [2]东北大学信息科学与工程学院,辽宁沈阳110004

出　　处：《东北大学学报（自然科学版）》2005年第5期421-424,共4页Journal of Northeastern University(Natural Science)

基　　金：国家自然科学基金资助项目(60473089;70101006);国家高技术研究发展计划项目(2001AA121064);辽宁省自然科学基金资助项目(20032018;20032019);教育部现代远程教育工程项目

摘　　要：基于组合层次移动管理协议CHMMP(CombinedHierarchicalMobilityManagementProtocol),设计并仿真实现了一种移动无线Internet中的组播机制·由于在CHMMP下移动,主机在同一外地域内切换时毋需向家乡代理注册,因此所提出的组播机制与IETF的双向隧道和远程加入相比,不仅降低了因切换而致的组播树维护开销,而且显著减小了切换注册延迟·仿真结果表明,该组播机制可以有效地支持移动无线Internet中的组播应用·Based on CHMMP (Combined Hierarchical Mobility Management Protocol), a multicast mechanism was developed for application in mobile wireless Internet. According to CHMMP, the MH (Mobile Host) doesn't need registration with its home agent when it hands over within the same foreign area. Compared with the bi-directional tunnel and remote subscription in accordance to IETF mobile IP, the proposed mechanism can reduce not only the multicast tree maintenance overhead due to handover of multicast, but also the time delay handover registration. Simulation results showed that it can support efficiently group applications in mobile wireless Internet.

关 键 词：移动无线Internet 组播 组合层次移动管理协议 

分 类 号：TP393.14[自动化与计算机技术—计算机应用技术]