应用科学学报 ›› 2011, Vol. 29 ›› Issue (5): 453-458.doi: 10.3969/j.issn.0255-8297.2011.05.003

• 通信工程 • 上一篇    下一篇

一种分层结构与快速切换的可靠移动组播方案

刘宏月, 马建峰, 杨凯   

  1. 西安电子科技大学计算机网络与信息安全教育部重点实验室,西安710071
  • 收稿日期:2010-09-28 修回日期:2011-03-11 出版日期:2011-09-28 发布日期:2011-09-30
  • 通信作者: 刘宏月,博士生,研究方向:访问控制、信任管理与计算机网络,E-mail:liuhyy@126.com;马建峰,博士,教授,博导,研究方向:密码学、计算机网络与信息安全,E-mail:jfma@mail.xidian.edu.cn
  • 作者简介:刘宏月,博士生,研究方向:访问控制、信任管理与计算机网络,E-mail:liuhyy@126.com;马建峰,博士,教授,博导,研究方向:密码学、计算机网络与信息安全,E-mail:jfma@mail.xidian.edu.cn
  • 基金资助:

    国家科技重大专项基金(No.2011ZX03005-002);国家自然科学基金(No.60872041, No.61072066);中央高校基本科研业务费项目基金(No.JY10000903001, No.JY10000901034);陕西省教育厅专项科研计划项目基金(No.09JK731, No.2010JK820)资助

Reliable Mobile Multicast Scheme with Hierarchical Architecture and Fast Handover Capability

LIU Hong-yue, MA Jian-feng, YANG Kai   

  1. Key Laboratory of Computer Networks and Information Security of the Ministry of Education, Xidian University, Xi’ an 710071, China
  • Received:2010-09-28 Revised:2011-03-11 Online:2011-09-28 Published:2011-09-30
  • About author:刘宏月,博士生,研究方向:访问控制、信任管理与计算机网络,E-mail:liuhyy@126.com;马建峰,博士,教授,博导,研究方向:密码学、计算机网络与信息安全,E-mail:jfma@mail.xidian.edu.cn

摘要:

摘要: 移动IP组播技术能有效缓解移动环境的资源受限问题,但同时也面临许多挑战. 文中提出了一个基于分层结构和快速切换的可靠移动组播方案(reliable mobile multicast scheme with hierarchical architecture and fasthandover capability, MMHFH),该方案综合运用微移动和链路层触发技术,针对切换过程中的组播开销、切换延迟、切换丢包、同步丢失、可扩展性以及路由影响等移动特性进行优化设计. OPNET仿真实验表明,MMHFH方案具有组播树稳定、组播维护开销小、切换延迟短、切换丢包少、可靠性高、可扩展性好、组播包传送效率高等特点.

关键词: IP网络, 移动组播, 分层结构, 快速切换, 链路层触发

Abstract:

Although mobile IP multicast can adapt to scarce resource in wireless networks, it faces many technical challenges. A reliable mobile multicast scheme with a hierarchical architecture and fast handover capability (MMHFH) is proposed in this paper. MMHFH integrates micro-mobility and link-layer trigger methods, and emphasize on the mobile characteristics such as multicast maintenance overhead, handover latency, handover packet loss, out-of-synchronization, scalability and route stability. Results of simulation in an OPNET modeler show that MMHFH is an effective and reliable scheme with a more stable multicast distribution tree, less multicast maintenance overhead, shorter handover latency, lower packet loss rate, higher reliability, better scalability and higher multicast packet delivery efficiency.

Key words: IP network, mobile multicast, hierarchical architecture, fast handover, link-layer trigger

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