An Approach to Increase Internet Traffic Transmission Rate in All-Optical OPS Networks
Subject Areas : electrical and computer engineeringKeywords: Internet over optical networksbufferless slotted-OPS networksInternet throughput,
Abstract :
Consider an all-optical time-slotted OPS network in which Internet protocol has been used at upper layers. Contention is a major problem for such a network. It is shown in this paper that optical packet retransmission at the optical domain can improve Internet throughput and can even reduce cost of OPS network implementation. In this technique, a copy of transmitted optical packets are saved in ingress switches and retransmitted when required, independent of TCP layer retransmission. In other words, retransmission may happen both at the optical layer and at the TCP layer. In this paper, an approach is proposed to reduce cost of OPS network implementation. In addition, Internet throughput is studied in slotted OPS network and an approach is proposed to increase Internet throughput and to improve throughput of long-hop connections.
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