NDLI: Distributed nonlinear integer optimization for data-optical internetworking

Content Provider	IEEE Xplore Digital Library
Author	Elwalid, A. Mitra, D. Qiong Wang
Copyright Year	1983
Abstract	We present a novel approach for joint optical network provisioning and Internet protocol (IP) traffic engineering, in which the IP and optical networks collaboratively optimize a combined objective of network performance and lightpath provisioning cost. We develop a framework for distributed multilayer optimization. Our framework is built upon the IP-over-optical (IPO) overlay model, where each network domain has a limited view of the other. Our formulation allows the two domains to communicate and coordinate their decisions through minimal information exchange. Our solution is based on a novel application of Generalized Bender's Decomposition, which divides a difficult global optimization problem into tractable subproblems, each solved by a different domain. The procedure is iterative and converges to the global optimum. We present case studies to demonstrate the efficiency and applicability of our approach in various networking scenarios. Our work builds a foundation for "multilayer" grooming, which extends traditional grooming in the optical domain to include data networks. The data networks are active participants in the grooming process with intelligent homing of data traffic to optical gateways
Starting Page	1502
Ending Page	1513
Page Count	12
File Size	553419
File Format	PDF
ISSN	07338716
Volume Number	24
Issue Number	8
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2006-08-01
Publisher Place	U.S.A.
Access Restriction	One Nation One Subscription (ONOS)
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Internetworking Optical fiber networks Telecommunication traffic Nonhomogeneous media Nonlinear optics IP networks Protocols Traffic control Collaboration Cost function wavelength Capacity expansion cooperative internetworking data-optical network distributed control generalized multiprotocol label switching (GMPLS) nonlinear integer optimization optical grooming traffic engineering
Content Type	Text
Resource Type	Article
Subject	Computer Networks and Communications Electrical and Electronic Engineering

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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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