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All-optical WDM multi-rings with differentiated QoS

机译:具有差异化QoS的全光WDM多环

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This article considers all-optical WDM networks based on a slotted multichannel ring topology, where nodes are equipped with one fixed-wavelength receiver and one wavelength-tunable transmitter; and shows how to design very effective MAC protocols that provide packet-mode transport to multiple information flows with different QoS requirements. As an example, we describe SR3, a collision-free slotted MAC protocol which combines a packet scheduling strategy (called SRR), a fairness control algorithm (called MMR); and a reservation mechanism. SRR achieves an efficient exploitation of the available bandwidth, MMR guarantees fair throughput access to each node, and SR3, by permitting slot reservations, leads to tighter control on access delays, and can thus effectively support traffic classes with different QoS requirements.
机译:本文考虑了基于时隙多通道环形拓扑的全光WDM网络,其中节点配备了一个固定波长接收器和一个波长可调发射器。并展示了如何设计非常有效的MAC协议,该协议可将数据包模式传输到具有不同QoS要求的多个信息流。例如,我们描述了SR3,一种无冲突的时隙MAC协议,它结合了分组调度策略(称为SRR),公平性控制算法(称为MMR);和保留机制。 SRR实现了对可用带宽的有效利用,MMR通过允许时隙保留来保证对每个节点的公平吞吐量访问,并且SR3通过允许对时隙的严格控制来实现对访问延迟的严格控制,从而可以有效地支持具有不同QoS要求的流量类别。

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