Multi-service dynamic QoS routing schemes with call admission control: A comparative study

被引:5
|
作者
Medhi D. [1 ]
Sukiman I. [2 ]
机构
[1] Department of Computer Networking, University of Missouri-Kansas City, Kansas City, MO, 64110
基金
美国国家科学基金会;
关键词
Michal Pioro’s careful reading of a draft of this paper was extremely helpful in clarifying several points and in improving the presentation of the paper. We like to thank L. Venkataraman for pointing out and fixing a bug in the crankback computation in the simulator. A shorter version of this paper was presented at the IEEE-IFIP Conference on Broadband Communications; Montreal; Canada; April 1996. Research supported by National Science Foundation grants CDA-9422092 and NCR-9506652 and by the University of Missouri Research Board grant K-3-40605;
D O I
10.1023/A:1009495023964
中图分类号
学科分类号
摘要
In this paper we consider wide-area backbone networks where multiple connection-oriented guaranteed services with differing bandwidth/flow requirements are offered. Specifically, we consider the case where each service requires a quality-of-service (QoS) peak rate bandwidth/flow allocation (different rate for different services) for the duration of the connection in a loss network environment. We present several dynamic routing schemes in such multi-service settings along with an admission control policy. The routing schemes cover issues such as crankback, periodicity of computation of routing, what type of information is to be used in routing decision, and whether to use centralized or decentralized computation. We present results for various measures, i.e., in addition to well-known call blocking performance, we also address and quantify measures such as signaling loads impact due to alternate routing, crankback impact, and revenue impact, and provide a comparative evaluation of various dynamic routing schemes in multi-service settings.
引用
收藏
页码:157 / 190
页数:33
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