一种改进的HMRSVP方案

叶敏华; 刘雨; 张惠民; 朱春梅

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一种改进的HMRSVP方案

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- 文章访问数: 1952
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出版历程
- 收稿日期: 2002-03-21
- 修回日期: 2002-10-08
- 刊出日期: 2003-09-19

A modified HMRSVP scheme

摘要

摘要: 介绍了RSVP与MRSVP,以及在Mobile IP中采用MRSVP实现QoS保障的机制。分析和比较了3种HMRSVP方案,特别是指针转发的HMRSVP方案,并提出一种改进的方案。在此方案中,若移动主机在同一个分层区域内移动,则利用它在移动时所具有的本地性,采用指针转发的HMRSVP方案;若移动主机进入新的分层区域,则要求它建立新的RSVP通路,开始新的指针转发过程。同时对本地化特性进行了讨论。对改进的方案在两种情况下分别进行了建模、分析、结果表明,改进的方案性能更加优越。
- RSVP; MRSVP; Mobile IP; HMRSVP; 指针转发
Abstract: This paper introduces RSVP, MRSVP and the QoS guarantee mechanism in mobile IP by utilizing the MRSVP. Three HMRSVP schemes are described and compared in detail, especially the HMRSVP with pointer forwarding. A modified one is proposed. In this scheme, MH in a hierarchical region uses pointer forwarding scheme, which can utilize the feature of movement locality. When it moves into a new region, it is required to update the RSVP path and begin the new pointer forwarding process. Also, the feature of locality is discussed thoroughly. The modified scheme is modeled and analyzed in two different cases. The results show that it has better performance.

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参考文献(1)

R. Braden, L. Zhang, S. Berson, S. Herzog, S. Jamin, Resource reSerVation Protocol (RSVP)version 1: functional specification, IETF RFC 2205, Sept. 1997.[2]A.K. Talukdar, B. R. Badrinath, A. Acharya, MRSVP: A reservation protocol for integrated services packet networks with mobile hosts, Wireless Networks, 2001, 7(1), 5-19.[3]A.K. Talukdar, B. R. Badrinath, A. Acharya, Integrated services packet networks with mobile hosts: Architecture and performance, Wireless Networks, 1999, 5(2), 111-124.[4]C. Perkins, IP mobility support, IETF RFC 2002, Oct. 1996.[5]E. Gustafsson, A. Jonsson, C. E. Perkins, Mobile IPv4 Regional Registration, IETF Internet draft, draft-ietf-mobileip-reg-tunnel-06.txt, Mar. 2002.[6]A. Terzis, J. Krawczyk, J. Wroclawski, L. Zhang, RSVP operation over IP tunnels, IETF RFC 2746 Jan. 2000.[7]C.C. Tseng, G. C. Lee, R. S. Liu, HMRSVP: A hierarchical mobile reservation protocol, in Proc. 21st IEEE Int. Conf. on Distributed Computing Systems Workshops (ICDCS-21W 2001),Phoenix, AZ, Apr. 2001, 467-472.[8]Gwo-Chuan Lee, Tsan-Pin Wang, Chien-Chao Tseng, Resource reservation with pointer forwarding schemes for the mobile RSVP, IEEE Communications Letters, 2001, 5(7), 298-300.

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文章访问数: 1952
HTML全文浏览量: 98
PDF下载量: 427
被引次数: 0

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一种改进的HMRSVP方案

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A modified HMRSVP scheme

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出版历程

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