A Distributed Traffic Control Scheme for Large-Scale Multi-Stage ATM Switching Systems (IEICE / IEEE Joint Special Issue on Recent Progress in ATM Technologies)
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概要
- 論文の詳細を見る
This paper describes a distributed traffic control scheme for large multi-stage ATM switching systems. When a new virtual circuit is to be added from some source line-interface unit (LU) to a destination LU, the system must find an optimal path through the system to accommodate the new circuit. Conventional systmes have a central control processor and control lines to manage the bandwidth of all the links in the systems. The central control processor handles all the virtual circuits, but have trouble doing this when the switching systems becomes large because of the limited ability of the central processor to handle the number of virtual circuits. A large switching system with Tbit / s-class throughput requires a distributed traffic control scheme. In our proposed switching system, each port of the basic switches has its own traffic monitor. Operation, administration, and maintenance (OAM) cells that are defined inside the system carry the path-congestion information to the LUs, enabling each UL to route new virtual circuits independently. A central control processor and control lines are not required. The Performance of the proposed system depends on the interval between OAM cells. This paper shows how an optimal interval can be determined in order to maximize the bandwidth for user cells. This traffic control scheme will suit future Tbit / s ATM switching systems.
- 社団法人電子情報通信学会の論文
- 2000-02-25
著者
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OKI Eiji
Dept. of Information and Communication Engineering, The University of Electro-Communications
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NAKAI Kohei
NTT Network Service Systems Laboratories, NTT Corporation
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Oki Eiji
University of Electro-Communications
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Oki E
Department Of Information And Communication Engineering The University Of Electro-communications
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Oki Eiji
Univ. Electro‐communications Chofu‐shi Jpn
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Nakai K
Ntt Network Service Systems Laboratories Ntt Corporation
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Yamanaka N
Faculty Of Science And Technology Keio University
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Yamanaka Naoaki
Department Of Information And Computer Science Faculty Of Science And Technology Keio University
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NAKAI Kohei
the NTT Network Service Systems Laboratories
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OKI Eiji
the NTT Network Service Systems laboratories
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YAMANAKA Naoaki
the NTT Network Service Systems laboratories
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Oki Eiji
Dept. Of Communication Engineering And Informatics The University Of Electro-communications
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