Résumé de thèse

Resum´ e´ de these`Ignasi Sau VallsDirecteurs: David Coudert, Jean-Claude BermondMascotte - Boreon´12-13 mars 2009Ignasi Sau Valls (Mascotte) Resum´ e´ de these` 12-13 mars 2009 1 / 28Plan de l’expose´ (et de la these` ..)Partie I: Groupage de traficPartie II: Sous-graphes avec contraintes sur le degre´Partie III: Autres problemes` (plus ou moins relies)´ConclusionsIgnasi Sau Valls (Mascotte) Resum´ e´ de these` 12-13 mars 2009 2 / 28Traffic GroomingIgnasi Sau Valls (Mascotte) Resum´ e´ de these` 12-13 mars 2009 3 / 28General ideaWDM networks (Wavelength Division Multiplexing)I 1 wavelength = up to 40 Gb/sI 1 fiber = hundreds of wavelengths = Tb/sIdea: Traffic grooming consists in grouping low-speed trafficflows into higher speed streams! we allocate the same wavelength to several low-speedrequests (TDM, Time Division Multiplexing)Objectives:I Efficient usage of bandwidthI Minimize network costIgnasi Sau Valls (Mascotte) Resum´ e´ de these` 12-13 mars 2009 4 / 28General ideaWDM networks (Wavelength Division Multiplexing)I 1 wavelength = up to 40 Gb/sI 1 fiber = hundreds of wavelengths = Tb/sIdea: Traffic grooming consists in grouping low-speed trafficflows into higher speed streams! we allocate the same wavelength to several low-speedrequests (TDM, Time Division Multiplexing)Objectives:I Efficient usage of bandwidthI Minimize network costIgnasi Sau Valls (Mascotte) Resum´ e´ de these` 12-13 mars 2009 4 / 28General ideaWDM networks (Wavelength ...