计算机工程与应用 ›› 2009, Vol. 45 ›› Issue (12): 78-80.DOI: 10.3778/j.issn.1002-8331.2009.12.026

• 网络、通信、安全 • 上一篇    下一篇

时钟同步的RMD聚集预留状态管理

黄程波1,徐益龙2,易桂生3   

  1. 1.深圳信息职业技术学院 信息技术研究所,广东 深圳 518029
    2.深圳大学 信息工程学院,广东 深圳 518060
    3.江西师范大学 数学与信息科学学院,南昌 330022
  • 收稿日期:2008-12-17 修回日期:2009-02-25 出版日期:2009-04-21 发布日期:2009-04-21
  • 通讯作者: 黄程波

Management of aggregated reservation states for RMD based on clock synchronization

HUANG Cheng-bo1,XU Yi-long2,YI Gui-sheng3   

  1. 1.Shenzhen Institute of Information Technology,Shenzhen,Guangdong 518029,China
    2.College of Information Engineering,Shenzhen University,Shenzhen,Guangdong 518060,China
    3.College of Mathematics and Information Science,Jiangxi Normal University,Nanchang 330022,China
  • Received:2008-12-17 Revised:2009-02-25 Online:2009-04-21 Published:2009-04-21
  • Contact: HUANG Cheng-bo

摘要: 区分服务网络资源管理方案RMD(Resource Management in Differentiated Services)基于分布式信令,简单、可扩展。分析了RMD中的聚集预留状态管理算法,指出其无法保证资源状态的准确性,从而对聚集流的服务质量产生不利影响。针对RMD存在的问题,提出基于时钟同步的聚集预留状态管理方案,该方案包括时钟同步机制和路由器内的实现方法。仿真实验证明该方案可以保证聚集预留状态的准确性。

关键词: 服务质量, 时钟同步, 区分服务(DiffServ), 聚集预留状态

Abstract: Resource Management in Differentiated Services(RMD) is a simple,scalable signaling method for resource reservation within a Differentiated Services domain.However,the algorithms used in RMD cannot accurately maintain the aggregated reservation state.This paper presents a clock synchronization paradigm and the proposed implementation architecture within the router.The simulation result demonstrates that the approach can control the aggregated reservation state accurately.

Key words: Quality of Services, clock synchronization, Differentiated Services(DiffServ), aggregated reservation state