Optical Burst Switching (OBS) is considered a promising optical switching technology for the future. However. a key issue of the OBS network is reducing dropped bursts due to contentions because there is no optical buffer at intermediate nodes. Several methods have been proposed to address burst contention. https://www.roneverhart.com/Toshiba-AL13SX-AL13SXB30EN-300GB-15K-RPM-SAS-12Gb-s-512n-128MB-2-5-Hard-Drive/