Performance Analysis of a Generic GMPLS Switching Architecture with/without Flush Capability(Switching)
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概要
- 論文の詳細を見る
The performance of a GMPLS switching architecture with or without the flush capability is studied. For this switching architecture, we propose a queueing model that includes the control plane, the switch buffer mechanism, and the flush mechanism. The flush capability is included to reduce the out-of-sequence problem due to dynamic path changes. The behavior of aggregated streams, the label-setup and release policies, and the mechanisms for efficient resource allocation are all covered. With the proposed model, one can select appropriate parameters for the label-setup policy and the label-release policy to match the traffic load and network environment. Key performance metrics, such as the label-setup rate, the switching ratio, the bandwidth utilization of the label switched path, the average delay, and the average packet loss rate, can all be evaluated via this mathematical model. Numerical results and simulations are used to verify the accuracy of the proposed queueing model. Furthermore, we adopt trace simulation to certify the applicability the proposed model. The trade-off among these performance metrics can be observed as well.
- 社団法人電子情報通信学会の論文
- 2003-11-01
著者
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Tsai Zsehong
The Department Of Electrical Engineering National Taiwan University
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Kao Ling-chih
The Wireless Communication Tech. Lab. Chunghwa Telecom Laboratories
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