Increasing Channel Utilisation Using Segmentation Based Channel Scheduling Algorithms in OBS Network

Provided by: International Journal of Computer Applications
Topic: Mobility
Format: PDF
Optical Burst Switching (OBS) is emerging as the switching technology for next generation optical networks. Advantages of optical packet switching and circuit switching are combined in OBS and overcoming their limitations. Data (or payload) is separated from control packet. A control packet is sent before the payload to reserve the resources on the path to the destination of payload. When a control packet arrives at an intermediate node a wavelength scheduling algorithm is used by the scheduler to schedule the data burst on an outgoing wavelength channel. The required information to schedule a data burst are arrival time and duration of data burst, which are obtained from the control packet.

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