NDLI: Notice of Violation of IEEE Publication PrinciplesMinimal cost attack aware routing and wavelength assignment in optical network security

Content Provider	IEEE Xplore Digital Library
Author	Johncy Vijayakumari, V.
Copyright Year	2011
Description	Author affiliation: Computer Science and Engineering, Francis Xavier Engineering College, Tirunelveli, India (Johncy Vijayakumari, V.)
Abstract	Transparent optical networks based on wavelength division multiplexing (WDM) can exploit the huge capacity of optical fibers by dividing it among different wavelengths. Physical-layer attacks, such as high-powered jamming, can seriously degrade network performance and must be dealt with efficiently. Hence route lightpaths in such a way as to minimize the potential damage caused by various physical-layer attacks. A new objective criterion for the routing and wavelength assignment (RWA) problem, which we call the maximum Lightpath Attack Radius (maxLAR) is used to formulate the routing subproblem as an integer linear program (ILP). Lightpaths, are established between pairs of nodes. Given a physical topology and a set of lightpath demands, the RWA problem consists of finding a physical route for each lightpath demand and assigning to each route a wavelength, subject to the constraints. The maxLAR is the maximum number of lightpaths any one lightpath is link-sharing with, where link-sharing is defined as a property indicating whether two lightpaths traverse at least one common physical link. Results indicate that the formulation achieves significantly better results for the maxLAR. For larger networks, a tabu search algorithm for attack-aware lightpath routing, in combination with an existing graph-coloring algorithm for wavelength assignment is used. Testing and comparing with existing approaches from literature indicate its superiority with respect to the maxLAR and thus the congestion is reduced effectively.
Starting Page	953
Ending Page	958
File Size	1299426
Page Count	6
File Format	PDF
ISBN	9781424479238
e-ISBN	9781424479269
DOI	10.1109/ICETECT.2011.5760257
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2011-03-23
Publisher Place	India
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Optical fiber amplifiers Physical layer attacks Wavelength assignment Tabu search Routing and wavelength assignment Integer linear programming Routing Wavelength division multiplexing Security Transparent optical networks
Content Type	Text
Resource Type	Article

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