Analysis of Two-Phase Path Management Scheme for MPLS Traffic Engineering
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概要
- 論文の詳細を見る
Traffic Engineering (TE) is important for improving QoS in forwarding paths by efficient use of network resources. In fact, MPLS allows several detour paths to be (pre-)established for some source-destination pair as well as its primary path of minimum hops. Thus, we focus on a two-phase path management scheme using these two kinds of paths. In the first phase, each primary path is allocated to a flow on a specific source-destination pair if the path is not congested, i.e., if its utilization is less than some predetermined threshold; otherwise, as the second phase, one of the detour paths is allocated randomly if the path is available. Therefore, in this paper, we analytically evaluate this path management scheme by extending the M/M/c/c queueing system, and through some numerical results we investigate the impact of a threshold on the flow-blocking probability. Through some numerical results, we discuss the adequacy of the path management scheme for MPLS-TE.
- (社)電子情報通信学会の論文
- 2009-01-01
著者
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Tamura H
R&d Center Kasado Administrative Division Power & Industrial Systems Hitachi Ltd.
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Oie Y
Kyushu Inst. Technol. Fukuoka Jpn
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Oie Yuji
Kyushu Inst. Technol. Iizuka‐shi Jpn
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Oie Yuji
The Department Of Computer Science And Electronics Kyushu Institute Of Technology
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Oie Yuji
Department Of Computer Scienece And Electronics Kyushu Institute Of Technology
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Oie Yuji
Telecommunications Advancement Organization Of Japan:department Of Computer Science And Electronics
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Kawahara K
Department Of Computer Scienece And Electronics Kyushu Institute Of Technology
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Kawahara Kenji
The Department Of Computer Science And Electronics Kyushu Institute Of Technology
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OIE Yuji
Network Design Research Center, Kyushu Institute of Technology
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Kawahara K
Network Design Research Center Kyushu Institute Of Technology
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Tamura H
Department Of Computer Science And Electronics Kyushu Institute Of Technology
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Oie Yuji
Network Design Research Center Kyushu Institute Of Technology
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Tamura Hitomi
Network Design Research Center Kyushu Institute Of Technology
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KAWAHARA Kenji
Network Design Research Center, Kyushu Institute of Technology
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Tamura Hitoshi
Mechanical Engineering Research Laboratory Hitachi Ltd.
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