一种基于F-HMIPv6协议的QoS上下文转移方案  

An F-HMIPv6 Based Handover Scheme for QoS Context Transfer

作　　者：马学彬[1] 温涛[1,2] 郭权[2] 王刚[1] 

机构地区：[1]东北大学软件中心,辽宁沈阳110004 [2]东软信息学院计算机科学技术系,辽宁大连116023

出　　处：《东北大学学报（自然科学版）》2009年第5期636-639,共4页Journal of Northeastern University(Natural Science)

基　　金：国家高技术研究发展计划项目(2006AA012413);国家自然科学基金资助项目(60602061);教育部可信网络环境安全保障技术工程研究中心资助项目

摘　　要：针对在传统的移动Ipv6切换方案中,每次切换都需要交互大量信令,增加了切换延时的问题,基于快速层次移动IPv6的框架,提出一种新的QoS上下文转移解决方案.它在移动节点执行切换的同时为实时应用提供服务质量保证,并且这种方法可以减少移动节点切换后重新发起信令建立QoS转发处理所带来的延时,减少了移动节点会话的QoS服务中断.理论分析和仿真实验表明,本方案可以显著降低实时业务切换时的延迟抖动,特别是在移动节点进行乒乓(ping-pong)切换时有较好的表现,实现了移动节点的平滑切换.In conventional mobile Ipv6 handover schemes, each and every handover operation requires a large number of interactive signalings, thus increasing the time delay. Based on the architecture for fast mobile hierarchical MlPv6, a new QoS context transfer mlution is proposed to ensure the QoS of real-time applications when using mobile node to perform the handover. It shortens the delay caused by the time taken from QoS resignaling to QoS retransmission after handing over the mobile node, thus reducing the possibility of interruption of talk through mobile node. Theoretic analyses and simulations showed that the proposed scheme can obviously decrease the delay and jitter in real-time handover operation, especially in the frequent ping-pong handover operation. Smooth handover of mobile node is therefore available.

关 键 词：移动IPV6 上下文转移 服务质量 平滑切换 移动节点 

分 类 号：TP393[自动化与计算机技术—计算机应用技术]