NDLI: Select line speeds for single-hub SONET/WDM ring networks

Content Provider	IEEE Xplore Digital Library
Author	Li, X.-Y. Wan, P.-J. Liu, L.
Copyright Year	2000
Description	Author affiliation: Dept. of Comput. Sci., Illinois Univ., Urbana, IL, USA (Li, X.-Y.)
Abstract	Minimizing SONET ADM costs in single-hub SONET/WDM ring networks via traffic grooming has been discussed in a number of previous works. Previous work gives the exact minimum costs of uniform traffic in both unidirectional path-switched ring (UPSR) and two-fiber bidirectional line-switched ring (BLSR/2) and proves that the BLSR/2 would never be more expensive than UPSR under any traffic pattern, if all wavelengths have the same capacity. We consider how to groom both uniform and non-uniform traffic to minimize the cost of ADMs in the single-hub UPSR and BLSR/2 with mixed line speeds. We especially explore the grooming of traffic when wavelengths have two different capacities g/sub 1/=1 and g/sub 2/=4. We show that the problem can be confined to just consider the traffic request r/sub i//spl les/4 for all non-hub nodes i. By adopting the same cost model of Gerstel, Lin and Sasaki (see Proc. IEEE Infocom 99), i.e., ADMs with speed g/sub 1/=1 and g/sub 2/=4 cost 1 and 2.5 respectively, we provide optimal traffic partition and grooming for uniform traffic demands, and develop optimal or suboptimal solutions for non-uniform traffic demands, depending on the range of all demands from non-hub nodes.
Starting Page	495
Ending Page	499
File Size	606717
Page Count	5
File Format	PDF
ISBN	0780362837
DOI	10.1109/ICC.2000.853368
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2000-06-18
Publisher Place	USA
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	SONET Wavelength division multiplexing WDM networks Add-drop multiplexers Telecommunication traffic Cost function Traffic control Computer science Standards organizations
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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Traffic Grooming in WDM Ring Networks with Grooming Ratio 8

Wavelength assignment in a WDM ring to minimize cost of embedded SONET rings

Grooming dynamic traffic in unidirectional SONET ring networks

Traffic grooming in WDM SONET rings with multiple line speeds

Practical traffic grooming scheme for single-hub SONET/WDM rings

Traffic grooming in WDM SONET UPSR rings with multiple line speeds

Wavelength assignment in WDM rings with splitable lightpaths

A novel efficient technique for traffic grooming in WDM SONET with multiple line speeds

Traffic grooming in unidirectional WDM ring networks using design theory

Select line speeds for single-hub SONET/WDM ring networks

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