NDLI: Scalable Framework for Translucent Elastic Optical Network Planning

Content Provider	IEEE Xplore Digital Library
Author	Madani, F.M.
Copyright Year	1983
Abstract	In this paper, we present a scalable framework for regenerator placement (RP), routing, modulation level selection, and spectrum allocation (RMSA) jointly in translucent elastic optical networks. We introduce first a path-based mathematical formulation to solve RMSA problem given a designated set of regenerator site locations. In the preceding RP phase, the MILP model was invoked repeatedly to find the optimum sequence of regenerator site endowment. The scalability issue of MILP model is tackled by partitioning unserved demands into small groups and solve the proposed MILP model in recursive manner. In contrast to previous works that suggested random, volume, and hop-length-based one-pass demand ordering, we devise a novel adaptive routing and impact-based demand grouping and ordering scheme that outperforms the conventional random or resource consumption-based ones. We show that the proposed recursive MILP yields solutions to RMSA problem closely fitted to the ideal nonrecursive MILP counterpart under a wide range of traffic load variation even when the group size is reduced to one. In order to extend further the scalability of the recursive MILP, we develop heuristic algorithms fueled by the notion of availability-based spectrum assignment, impact-based path selection, and demand grouping and ordering. Numerical simulation verifies that the proposed heuristic obtains nearly the same performance as the recursive MILP but in very shorter running times. This enabled us to precisely analyze the behavior of the Deutsche Telecom network operating in real-like fiber passband setting under heavy traffic load. We show that the attainable network throughput exceeds 100 Tb/s.
Sponsorship	IEEE Lasers and Electro-Optics Society Optical Society of America
Starting Page	1086
Ending Page	1097
Page Count	12
File Size	1777057
File Format	PDF
ISSN	07338724
Volume Number	34
Issue Number	4
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2016-02-15
Publisher Place	U.S.A.
Access Restriction	One Nation One Subscription (ONOS)
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Optical fiber networks Modulation Routing Repeaters Resource management Heuristic algorithms Mathematical model Spectrum allocation Regenerator placement Modulation level
Content Type	Text
Resource Type	Article
Subject	Atomic and Molecular Physics, and Optics

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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
5	Website/Portal (Helpdesk)	Queries regarding NDLI and its services	support@ndl.gov.in
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7	National Digital Library of India Club (NDLI Club)	Queries related to NDLI Club formation, support, user awareness program, seminar/symposium, collaboration, social media, promotion, and outreach	clubsupport@ndl.gov.in
8	Digital Preservation Centre (DPC)	Assistance with digitizing and archiving copyright-free printed books	dpc@ndl.gov.in
9	IDR Setup or Support	Queries related to establishment and support of Institutional Digital Repository (IDR) and IDR workshops	idr@ndl.gov.in

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