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Starting from centralized control model used in wavelength routed optical burst switching network, a distributed control model and correspondent wavelength resource reservation protocol are proposed in this paper. Two Quality-of-Service (QoS) methods, Based on the resource reservation protocol, are discussed. Also, computer simulation is implemented to investigate the performance of the newly proposed reservation protocol and QoS methods. Simulation results demonstrate that the QoS methods can efficiently provide different level service quality to traffic with different priorities. Furthermore, performances of the two QoS methods are compared concerning the QoS distinguished level, burst lost probability and implementation difficulty. It has been shown that the newly propose reservation protocol and QoS methods is a high qualified candidate for the future OBS networks.
Starting from centralized control model used in wavelength routed optical burst switching network, a distributed control model and correspondent wavelength resource reservation protocol are proposed in this paper. Two Quality-of-Service (QoS) methods, Based on the resource reservation protocol, are discussed Simulation results demonstrate that the QoS methods can efficiently provide the different level service quality to traffic with different priorities. Furthermore, performances of the two QoS methods are has has been shown that the new propose reservation protocol and QoS methods is a high qualified candidate for the future OBS networks.