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One of the difficulties of optical packet switched networks is buffering optical packets in the network. Burstiness of Internet traffic causes high packet drop rates and low utilization in very small buffered OPS networks. In this paper, the authors propose a new node-based pacing algorithm and show that it can increase the utilization of very small optical RAM buffered core Optical Packet-Switched (OPS) networks. Buffering optical packets in the network is one of the difficulties of Optical Packet-Switched (OPS) networks when compared with Electronic Packet-Switched (EPS).
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