Autonomously Controlled Multiprotocol Wavelength Switching Network for Internet Backbones(Special Issue on Advanced Internetworking based on Photonic Network Technologies)

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概要

• 論文の詳細を見る

• In order that they fully support human activities, new network services and applications are overwhelming conventional ones, such as telephony, facsimile, and telegraph. Demands for digital networks are exploding, not only in terms of quantity but also quality. Nobody can predict where these demands will lead. Traffic engineering, which is impossible in pure Internet protocol(IP)-based networks, is recognized as being indispensable for quality of service(QoS)control. It includes guaranteed services in terms of bandwidth, delay, delay variation(jitter), and service protection. The "engineered tunnel" through IP network supports virtual private networks(VPNs)and allows us to develop voice-over-IP(VoIP), teleconferencing and other secure private network services. This paper proposes the "photonic router" which makes use of wavelength-based networks for signal routing. IP packets having the same destination are bundled into a wavelength path. Interchange nodes along the path route control path routing on the basis of wavelength information, not on IP headers, which can not be read or processed with current optical techniques. In short, wavelength path routing offers "cut-through" in the photonic layer. This paper shows its feasibility by describing the combination of an optical cross-connect, payload assembler/disassembler, label controller, and IP router. Optical cross-connect systems, which are now being intensively studied worldwide, are deemed to be key equipment for a wave-length-path network with centralized control system. This paper proposes to apply the cross-connect to an IP network with distributed autonomous control.

• 社団法人電子情報通信学会の論文
• 2000-10-25

著者

• Yamabayashi Yoshiaki

  The Author Is With Ntt Network Innovation Laboratories:presently With Ntt Electronics Corp.

• Koga Masafumi

  The Author Is With Ntt Network Innovation Laboratories

• OKAMOTO Satoru

  The author is with NTT Network Innovation laboratories

関連論文

• Autonomously Controlled Multiprotocol Wavelength Switching Network for Internet Backbones(Special Issue on Advanced Internetworking based on Photonic Network Technologies)

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