Using 25 GbE client rates to access the gains of adaptive bit- and code-rate networking

D. Ives, P. Wright, A. Lord, S. Savory
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引用次数: 10

Abstract

For transmission within optical mesh networks, different signal routes acquire different impairments and are received with different signal-to-noise ratios (SNRs). The SNR can be utilized through adaptive bit- and code-rate modulation, which leads to data rates that are not multiples of the preferred 100 GbE client rate. This paper considers the use of slower 25 GbE lanes both with inverse multiplexed 100 GbE client rates and with native 25 GbE client rates and compares network blocking performance. The use of inverse multiplexed 100 GbE client data on four 25 GbE lanes accesses the lion's share of stranded capacity within the network.
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使用25gbe客户端速率访问自适应比特率和码率网络的增益
在光网状网络中传输时,不同的信号路径受到不同的损伤,接收到的信噪比也不同。信噪比可以通过自适应比特率和码率调制来利用,这将导致数据速率不是首选的100 GbE客户端速率的倍数。本文考虑使用较慢的25 GbE通道,同时具有反向复用100 GbE客户端速率和本机25 GbE客户端速率,并比较了网络阻塞性能。在4个25 GbE通道上使用反向复用100 GbE客户端数据可以访问网络中大部分的搁浅容量。
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