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Reduction of Delay Overfulfillment in IP-over-DWDM Transport Networks

机译:减少IP over DWDM传输网络中的延迟超额完成

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The traffic in today's transport networks is increasing dramatically due to more demanding applications like video on demand and improving access technologies like 5G. Additionally, the quality of service requirements are becoming more stringent while network operators are seeking new ways for revenue creation. We propose a multi-layer network reconfiguration approach that reduces the overfulfillment of service delay requirements. In that way it provides an incentive to customers with low-delay services to acquire a more expensive service class for their traffic. Additionally, it relieves highly utilized links for services with very strict delay requirements. We provide an ILP formulation that solves this multi-layer network problem by performing a cross-layer optimization. Further, we evaluate our approach for two nationwide backbone networks. We show that a reduction of service delay overfulfillment is possible and how that affects other network metrics.
机译:由于诸如视频点播之类的更苛刻的应用程序以及诸如5G之类的接入技术的不断改进,当今的传输网络中的流量正在急剧增加。另外,在网络运营商寻求新的创收方式时,服务质量要求变得越来越严格。我们提出了一种多层网络重新配置方法,可以减少服务延迟要求的超额完成。通过这种方式,它为低延迟服务的客户提供了诱因,以为其流量获得更昂贵的服务等级。此外,它还缓解了对延迟要求非常严格的服务的高利用率链接。我们提供了一种ILP公式,可以通过执行跨层优化来解决此多层网络问题。此外,我们评估了针对两个全国性骨干网的方法。我们证明减少服务延迟超额实现是可能的,并且这会如何影响其他网络指标。

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