NDLI: High-Performance Hybrid-Switching Optical Router for IP over WDM Integration

Content Provider	Springer Nature Link
Author	Wei, Wei Zeng, Qingji Ouyang, Yong Lomone, David
Copyright Year	2005
Abstract	Because pure electrical routers with their bandwidth limitations can hardly keep up with the tremendous traffic growth in the Internet, optical routers based on various optical switching techniques including optical wavelength switching (OWS), optical burst switching (OBS), and optical packet switching (OPS) have been suggested to cope with this problem. However, because OBS and OPS are both in their early experimental phase and OWS only provides coarse granularity switching, a hybrid-switching optical router with combined OWS and electrical packet switching is a necessity in order to accommodate the entire multi-granularity traffic with multi-service requirements in a cost-effective manner. Its coordination capability of optical circuit switching and electrical packet switching enables efficient/intelligent usage of network resources. In this paper, we first review research and developments of such IP routers employing optical switching/interconnection techniques and examine how these techniques can be used inside routers to scale node capacity and to improve optical Internet performance. We also present and study the performance of a terabit optical router with an optical-electrical hybrid-switching fabric. The node architecture is based on the idea of IP over WDM integration with Generalized Multi-Protocol Label Switching (GMPLS). The network-level performance evaluations show that the proposed hybrid-switching optical router is a cost-effective solution for building the next generation GMPLS-based multi-granularity optical Internet.
Starting Page	139
Ending Page	155
Page Count	17
File Format	PDF
ISSN	1387974X
Journal	Photonic Network Communications
Volume Number	9
Issue Number	2
e-ISSN	15728188
Language	English
Publisher	Kluwer Academic Publishers
Publisher Date	2005-01-01
Publisher Place	Boston
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	optical Internet hybrid-switching optical router Generalized Multi-Protocol Label Switching (GMPLS) Characterization and Evaluation Materials Computer Communication Networks Electronic and Computer Engineering
Content Type	Text
Resource Type	Article
Subject	Atomic and Molecular Physics, and Optics Computer Networks and Communications Electrical and Electronic Engineering Hardware and Architecture Software

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