NDLI: Dynamic Wavelength Routing in All-Optical Mesh Networks

Content Provider	IEEE Xplore Digital Library
Author	Kungmeng Lo Habibi, D. Quoc Viet Phung Hoang Nghia Nguyen
Copyright Year	2005
Description	Author affiliation: Sch. of Eng. & Math., Edith Cowan Univ., Perth, WA (Kungmeng Lo; Habibi, D.; Quoc Viet Phung; Hoang Nghia Nguyen)
Abstract	Wavelength-division multiplexing (WDM) offers the capability to handle the increasing demand of network traffic in a manner that takes advantage of already deployed optical fibers. Lightpaths are optical connections carried end-to-end over a wavelength on each intermediate link. Wavelengths are the main resource in WDM networks. Due to the inherent channel constraints, a dynamic control mechanism is required to efficiently utilize the resource to maximize lightpath connections. In this paper, we investigate a class of adaptive routing called dynamic wavelength routing (DWR), in which wavelength converters (WCs) are not utilized in the network. The objective is to maximize the wavelength utilization and reduces the blocking probability in an arbitrary network. This approach contains two sub-algorithms: least congestion with least nodal-degree routing algorithm (LCLNR) and dynamic two-end wavelength routing algorithm (DTWR). We demonstrate that DWR can significantly improve the blocking performance, and the results achieved as good as placing sparse WCs in the network
Starting Page	178
Ending Page	182
File Size	316244
Page Count	5
File Format	PDF
ISBN	0780391322
DOI	10.1109/APCC.2005.1554043
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2005-10-05
Publisher Place	Australia
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Wavelength routing Intelligent networks Mesh networks Optical wavelength conversion Telecommunication traffic WDM networks Wavelength assignment Wavelength division multiplexing Mathematics Communication system traffic control
Content Type	Text
Resource Type	Article

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