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Traffic Load Uniformity in Optical Packet Switched Networks (1906.09655v1)
Published 23 Jun 2019 in cs.NI
Abstract: A crucial issue in Optical Packet Switched (OPS) networks is packet loss due to contentions. In this paper we study how traffic load uniformity influences the packet loss in a single OPS node. Traffic load uniformity is a measure of the load asymmetry a specific output link in an OPS node receives from its input sources. We develop analytical models based on the Engset traffic model. As a major contribution of this paper, we show that an asymmetric traffic pattern results in less packet loss compared to a symmetric traffic pattern for a single output link in an OPS node.