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A GMPLS/OBS network architecture enabling QoS-aware end-to-end burst transport
Pedroso, Pedro; Perelló Muntan, Jordi; Spadaro, Salvatore; Careglio, Davide; Solé Pareta, Josep; Klinkowski, Miroslaw
Universitat Politècnica de Catalunya. Departament d'Arquitectura de Computadors; Universitat Politècnica de Catalunya. Departament de Teoria del Senyal i Comunicacions; Universitat Politècnica de Catalunya. CBA - Sistemes de Comunicacions de Banda Ampla; Universitat Politècnica de Catalunya. GCO - Grup de Comunicacions Òptiques
This paper introduces a Generalized Multi-Protocol Label Switching (GMPLS)-enabled Optical Burst Switched (OBS) network architecture featuring end-to-end QoS-aware burst transport services. This is achieved by setting up burst Label Switched Paths (LSPs) properly dimensioned to match specific burst drop probability requirements. These burst LSPs are used for specific guaranteed QoS levels, whereas the remaining network capacity can be left for best-effort burst support. Aiming to ensure the requested burst drop probability figures even under bursty traffic patterns, burst LSPs’ performance is continuously monitored. Therefore, GMPLS-driven capacity reconfigurations can be dynamically triggered whether unfavorable network conditions are detected. Through the paper, the GMPLS/OBS architecture is firstly detailed, followed by the presentation of the optimized methods used for the initial burst LSP dimensioning. The successful network performance is finally illustrated by simulations on several network scenarios.
Àrees temàtiques de la UPC::Enginyeria de la telecomunicació::Telecomunicació òptica
Computer networks -- Management
Computer networks -- Quality control
Optical communications
GMPLS/OBS architecture
QoS-aware burst transport services
Ordinadors, Xarxes d' -- Gestió
Ordinadors, Xarxes d' -- Control de qualitat
Comunicacions òptiques
Attribution-NonCommercial-NoDerivs 3.0 Spain
http://creativecommons.org/licenses/by-nc-nd/3.0/es/
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