嵌套移动网络中基于位置更新的隧道MTU发现机制

doi:10.3724/SP.J.1087.2012.02090

计算机应用 ›› 2012, Vol. 32 ›› Issue (08): 2090-2094.DOI: 10.3724/SP.J.1087.2012.02090

嵌套移动网络中基于位置更新的隧道MTU发现机制

陈龙,汤红波,王领伟

国家数字交换系统工程技术研究中心，郑州 450002

收稿日期:2012-02-14 修回日期:2012-03-27 发布日期:2012-08-28 出版日期:2012-08-01
通讯作者: 陈龙
作者简介:陈龙(1988-)，男，山东济宁人，硕士研究生，主要研究方向:可移动网络、移动通信;
汤红波(1968-)，男，湖北应城人，教授，主要研究方向：可移动网络、移动通信;
王领伟(1983-)，男，河南三门峡人，工程师，主要研究方向：移动通信。
基金资助:
国家863计划项目(2011AA010604);国家科技重大专项(2009ZX03004-002)

Tunnel MTU discovery for nested mobile networks based on location update

CHEN Long,TANG Hong-bo,WANG Ling-wei

China National Digital Switching System Engineering and Technological R&D Center, Zhengzhou Henan 450002, China

Received:2012-02-14 Revised:2012-03-27 Online:2012-08-28 Published:2012-08-01
Contact: CHEN Long

摘要/Abstract

摘要： 针对嵌套移动网络中的最大传输单元(MTU)问题，在分析现有方案不足和网络结构特点的基础上，建立了隧道MTU模型，提出一种基于位置更新的隧道MTU发现机制。该机制在家乡代理存储相互间的路径MTU值，利用路由器通告、绑定更新等信令消息携带MTU信息，在位置更新过程中实现了节点对隧道MTU的快速安全跟踪，并适用于多穴配置和多种路由优化方案。仿真分析表明，相比现有方案，该机制能够降低报文延迟和传输开销，提升带宽利用率。

关键词: 嵌套移动网络, 最大传输单元, 隧道最大传输单元发现, 位置更新

Abstract: Concerning the Maximum Transmission Unit (MTU) problems of nested mobile networks, based on the analysis of the existing mechanisms and the characteristics of the network structure, a tunnel MTU model and a tunnel MTU discovery mechanism based on location update were proposed. By storing the path MTU values between the home Agents at them, and adding the MTU information into the signaling messages, such as router advertisement and binding update, the mechanism can track the tunnel MTU fast and securely with the location update process, and adapt to the multihoming configuration and a variety of route optimization schemes. The simulation and analysis show that this mechanism can reduce packet delay and transmission overhead, and improve bandwidth utilization compared to the existing mechanisms.

Key words: nested mobile network, Maximum Transmission Unit (MTU), tunnel MTU discovery, location update

中图分类号:

陈龙汤红波王领伟. 嵌套移动网络中基于位置更新的隧道MTU发现机制[J]. 计算机应用, 2012, 32(08): 2090-2094.

CHEN Long TANG Hong-bo WANG Ling-wei. Tunnel MTU discovery for nested mobile networks based on location update[J]. Journal of Computer Applications, 2012, 32(08): 2090-2094.

参考文献

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嵌套移动网络中基于位置更新的隧道MTU发现机制

Tunnel MTU discovery for nested mobile networks based on location update

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