NDLI: Minimizing wavelength conversion cost in WDM networks with a constrained blocking probability

Content Provider	IEEE Xplore Digital Library
Author	Han-You Jeong Seung-Woo Seo Yoon-Ho Choi
Copyright Year	2011
Description	Author affiliation: School of Electrical Engineering and Computer Science, Seoul National University, Seoul 151-744, Republic of Korea (Seung-Woo Seo) \|\| Institute of Logistics IT, Pusan National University, Busan 609-735, Republic of Korea (Han-You Jeong) \|\| Digital, Media and Communication Group, Samsung Electronics Co. Ltd., Suwon 151-744, Republic of Korea (Yoon-Ho Choi)
Abstract	During the last two decades, wavelength conversion has received a considerable attention due to its strong influence on the blocking performance of wavelength-routed WDM networks. However, most of the related works focus on only one aspect of wavelength conversion, i.e., sparse or partial or limited wavelength conversion. Although these approaches outperform the full wavelength conversion, there has been no fair comparison among different approaches. Furthermore, it is still arguable which wavelength conversion scheme leads to the optimal performance of such networks. Recognizing these limitations, we advocate the use of sparse-partial-limited wavelength conversion (SPLWC) integrating all above approaches. In this paper, we consider a converter placement problem of minimizing the wavelength conversion cost (WCC) to meet the constraint on the blocking probability. We present a novel analytical model accounting for the two sources of call blocking in wavelength conversion: a range blocking from the limited conversion range of a wavelength converter; and a capacity blocking from the limited number of wavelength converters. We also present a sequential converter placement algorithm which can be applicable to any wavelength conversion schemes including SPLWC. From the numerical results, we demonstrate that the blocking performance of the analytical model closely matches with that of the simulation. We also show that SPLWC achieves an outstanding WCC performance compared with the existing approaches.
Starting Page	1
Ending Page	6
File Size	282177
Page Count	6
File Format	PDF
ISBN	9781424495962
e-ISBN	9783901882425
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2011-02-08
Publisher Place	Italy
Access Restriction	Subscribed
Rights Holder	IFIP
Subject Keyword	Analytical models Wireless sensor networks Converters WDM networks Mathematical model Face Load modeling
Content Type	Text
Resource Type	Article

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1	Ministry of Education (GoI), Department of Higher Education	Sanctioning Authority	https://www.education.gov.in/ict-initiatives
2	Indian Institute of Technology Kharagpur	Host Institute of the Project: The host institute of the project is responsible for providing infrastructure support and hosting the project	https://www.iitkgp.ac.in
3	National Digital Library of India Office, Indian Institute of Technology Kharagpur	The administrative and infrastructural headquarters of the project	Dr. B. Sutradhar bsutra@ndl.gov.in
4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
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