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基于网络演算的网络资源预留方法研究
On method of network resource reservation based on network calculus
【摘要】 研究了IntServ资源预留的实现方法,给出了网络有效带宽的计算方法。深入研究了网络演算在网络资源预留中的应用方法,推导出了基于端到端时延约束的有效带宽和基于缓冲区长度约束的等效容量计算公式,分析了给定到达曲线和服务曲线条件下网络性能的计算方法。通过具体的应用实例,验证了分析结果的正确性和有效性。
【Abstract】 This paper researched on the method of network resource reservation in IntServ.And studied the method of application of network calculus to resource reservation.Based on network calculus,derived the effective bandwidth constrained by end-to-end delay and equivalent capacity for a given buffer size.Analyzed network performances such as maximum delay and queueing buffer length,gave the arrival curve and service curve.Verified the validity and effectiveness of the analytic results with an application example.
【关键词】 服务质量;
网络性能分析;
资源预留;
有效带宽;
网络演算;
【Key words】 QoS; network performance analysis; resource reservation; effective bandwidth; network calculus;
【Key words】 QoS; network performance analysis; resource reservation; effective bandwidth; network calculus;
【基金】 西南交通大学科学研究基金资助项目(2005A03);国家自然科学资金资助项目(60572143)
- 【文献出处】 计算机应用研究 ,Application Research of Computers , 编辑部邮箱 ,2007年11期
- 【分类号】TP393.01
- 【被引频次】3
- 【下载频次】216