An Enhanced OBS Core Node Design Incorporating Wavelength Conversion and Deflection Routing Mechanisms
Keywords:
Optical Burst Switching (OBS), wavelength conversion capability, burst loss probability, deflection routingAbstract
The primary challenge in Optical Burst Switching (OBS) networks is the occurrence of burst contention. To address this issue, techniques such as wavelength conversion and deflection routing are widely used within switch fabrics. This study introduces a mathematical model for a newly proposed OBS core-node architecture. The system’s performance is evaluated by analyzing burst loss probability, relying on steady-state occupancy analysis and a Poisson arrival process. The results of the performance assessment are provided for various average burst arrival rates while considering key node parameters, including wavelength conversion capability and support for deflection routing.
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References
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