Proposal and Comparison of QoS Schemes for IP-over-Optical Multilayer Networks(<Special Section>Next Generation Photonic Network Technologies)
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概要
- 論文の詳細を見る
IP-over-optical multilayer networks are capable of flexibly dealing with traffic increases and fluctuations because they support both high-speed transmission using lightpaths and scalable IP hop-by-hop transmission. This paper introduces an architecture for quality of service (QoS) control in such networks, based on the differentiated services (DiffServ) concept. The architecture supports both class-based queues and class-based lightpaths to efficiently handle multiple-QoS-class traffic. QoS schemes based on the proposed architecture are categorized into four types according to their traffic-differentiation and transmission mechanisms. Through simulation, the schemes are evaluated in terms of measures that largely determines network costs. Finally, the conditions under which each scheme is feasible are clarified in terms of the traffic volume and the cost of class-based queues for DiffServ.
- 社団法人電子情報通信学会の論文
- 2005-10-01
著者
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URUSHIDANI Shigeo
NTT Network Services Labs., NTT Corporation
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AOKI Michihiro
NTT Network Service Laboratories, NTT Corporation
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KABASHIMA Keisuke
NTT Network Service Laboratories, NTT Corporation
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Kimura Takumi
Ntt Service Integration Laboratories Ntt Corporation:(present Address)innovative Ip Architecture Cen
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Aoki Masami
Ntt Network Service Laboratories Ntt Corporation
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Urushidani Shigeo
Ntt Network Service Systems Laboratories
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Kabashima Keisuke
Ntt Network Service Systems Laboratories Ntt Corporation:(present Address)ntt West Corporation
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Urushidani Shigeo
Ntt Network Service Switching Systems Laboratories
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Aoki Michihiro
Ntt Network Service Systems Laboratories Ntt Corporation
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