Comptes Rendus
Optical telecommunications/Les télécommunications optiques
Multi-wavelength fiber networks
Comptes Rendus. Physique, Volume 4 (2003) no. 1, pp. 127-143.

This paper describes the main trends and design issues in the design of current generation of WDM optical networks, and the enabling factors and motivations that will push to build the next generation transport networks. The latter will benefit from new optical technologies (ultra-long haul, switching,…) to reduce the network cost, and from new control technologies (Generalised Multi-Protocol Label Switching) that will make them dynamically flexible to better serve the changing traffic demands of emerging services. The paper covers all aspects of the network: network design and planning, system and architecture design, technologies, control and management. It also includes an overview of current state of the art and observations/statistics learnt from network studies.

Cet article décrit les principales tendances et les défis de conception de la génération actuelle des réseaux optiques WDM, ainsi que les éléments techniques et motivations qui pousseront à développer des réseaux de transport de nouvelle génération. Cette nouvelle génération de réseaux utilisera de nouvelles technologies optiques (ultra longue distance, commutation optique,…) pour réduire le coût des réseaux, et de nouvelles technologies de contrôle (Generalised Multi-Protocol Label Switching) qui les rendront flexibles de façon dynamique pour mieux répondre aux demandes de trafic variable liées aux services émergeants. Cet article couvre tous les aspects des réseaux : conception et planification de réseau, conception de l'architecture système, technologies, contrôle et gestion. Il inclut également un survol de l'état de l'art des réseaux optiques, et des observations et statistiques pertinentes obtenues à travers diverses études de cas de réseaux.

Received:
Published online:
DOI: 10.1016/S1631-0705(03)00012-4
Keywords: DWDM, Optical networking, GMPLS, OXC, OADM, Transparent networks, All-optical networks, Optical network management, Control plane, Core network, Metro network, Very/ultra-long haul, Opaque networks, Optical switching, Optical network planning, Optical system design
Mot clés : DWDM, Réseau optique, GMPLS, OXC, OADM, Réseaux transparents, Gestion des réseaux optiques

Luc Berthelon 1; O. Courtois 1; M. Garnot 1; R. Laalaoua 1

1 Alcatel, Optical Networks Division, France
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Luc Berthelon; O. Courtois; M. Garnot; R. Laalaoua. Multi-wavelength fiber networks. Comptes Rendus. Physique, Volume 4 (2003) no. 1, pp. 127-143. doi : 10.1016/S1631-0705(03)00012-4. https://comptes-rendus.academie-sciences.fr/physique/articles/10.1016/S1631-0705(03)00012-4/

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