NDLI: Benefits of the use of impairment constraint routing in optical networks

Content Provider	Springer Nature Link
Author	Tomkos, Ioannis Tzanakaki, Anna Kulkarni, Prasad Markidis, George Mas Machuca, Carmen
Copyright Year	2007
Abstract	In transparent optical networks, the optical signal accumulates the effects of all physical impairments present along the path it traverses. The conventional selection of signal paths based on e.g. shortest path routing without considering the signal quality and its association with the physical impairments does not always provide the optimum solution in terms of network performance such as blocking and resource utilization. This paper proposes an impairment constraint based routing algorithm to achieve an optimal combination of physical and networking performance taking into account all physical linear impairments including noise, chromatic and polarization mode dispersion, crosstalk and filter concatenation effects in an integrated approach. The performance of a typical metropolitan area network is examined and the improvement achieved when using the proposed approach compared to the conventional shortest path routing is demonstrated.Dans les réseaux optiques transparents, le signal optique accumule les effets de toutes les dégradations physiques présentes le long du trajet parcouru. La sélection classique des trajets du signal selon, par exemple, le plus court chemin, sans tenir compte de la qualité du signal et des dégradations physiques associées, ne conduit pas toujours à la solution optimale en ce qui concerne la performance du réseau, en particulier le blocage et l’utilisation des ressources. L’article propose un algorithme de routage fondé sur une contrainte de dégradation, qui combine de façon optimale les aspects physiques et les aspects réseau, en tenant compte d’une manière intégrée, de toutes les dégradations physiques linéaires telles que le bruit, la dispersion chromatique, la dispersion de mode de polarisation, la diaphonie et les effets de concaténation des filtres. L’article examine ensuite la performance d’un réseau métropolitain typique et démontre l’amélioration obtenue au moyen de la méthode proposée par rapport au routage classique selon le plus court chemin.
Starting Page	567
Ending Page	583
Page Count	17
File Format	PDF
ISSN	00034347
Journal	Annales Des Télécommunications
Volume Number	62
Issue Number	5-6
e-ISSN	19589395
Language	French
Publisher	Springer-Verlag
Publisher Date	2007-01-01
Publisher Place	Milan
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Télécommunication optique Routage réseau Qualité transmission Bruit fond Dispersion optique Diaphonie Facteur qualité Technologie tout optique Dégradation Réseau métropolitain Simulation numérique Amplificateur optique Communications Engineering, Networks Information Systems and Communication Service Signal, Image and Speech Processing Computer Communication Networks Information and Communication, Circuits R & D/Technology Policy
Content Type	Text
Resource Type	Article
Subject	Electrical and Electronic Engineering

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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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