Packet Loss Rate Differentiation in slotted Optical Packet Switching OCDM/WDM

Omar Najah, Kamaruzzaman Seman, Khairi Abdulrahim


We propose a multi-class mechanism for Optical Code Division Multiplexing (OCDM), Wavelength Division Multiplexing (WDM) Optical Packet Switch (OPS) architecture capable of supporting Quality of Service (QoS) transmission. OCDM/WDM has been proposed as a competitive hybrid switching technology to support the next generation optical Internet. This paper addresses performance issues in the slotted OPS networks and proposed four differentiation schemes to support Quality of Service. In addition, we present a comparison between the proposed schemes as well as, a simulation scheduler design which can be suitable for the core switch node in OPS networks. Using software simulations the performance of our algorithm in terms of losing probability, the packet delay, and scalability is evaluated.


quality of service (QoS); slotted 0ptical packet switching; packet loss probability (PLP); shared fiber delay line (FDL);

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