%0 Journal Article 
%A Pavón Mariño, Pablo
%A Veiga Gontan, Juan
%A Ortuño Manzanera, Alejandro
%A Cerroni, Walter
%A García Haro, Juan
%T PI-OBS: a Parallel Iterative Optical Burst Scheduler for OBS networks
%D 2009
%U http://hdl.handle.net/10317/1531
%X This paper presents the PI-OBS algorithm, a parallel-iterative scheduler for OBS nodes. Conventional schemes are greedy in the sense that they process headers one by one. In PI-OBS, all the headers received during a given time window are jointly processed to optimize the delay and output wavelength allocation, applying void filling techniques, and allowing traffic differentiation. Results show a similar or better performance than the LAUC-VF algorithm, commonly used as a performance bound for OBS schedulers. The PI-OBS scheduler has been designed to allow parallel electronic implementation similar to the ones in VOQ schedulers, with a deterministic response time.
%K Ingeniería Telemática
%K Algoritmo PI-OBS
%K Método iterativo
%K Conmutación óptica
%K Redes de fibra óptica
%K Tráfico de telecomunicaciones
%K Optimizar el retraso
%K Asignación de longitud de onda de salida
%K Técnicas de relleno de vacíos
%K Programador VOQ
%K PI-OBS algorithm
%K Iterative method
%K Iterative methods
%K Optical burst switching
%K Optical fibre network
%K Telecommunication traffic
%K Optimize the delay
%K Output wavelength allocation
%K Void filling technique
%K VOQ scheduler
%~ GOEDOC, SUB GOETTINGEN