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Emergency optical network planning with multi-vendor interconnection and portable EDFAs

机译:具有多厂商互连和便携式EDFA的紧急光网络规划

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AbstractIn this paper, we introduce an emergency optical network design problem for the low-cost post-disaster recovery of core optical transport networks. We take into account both the interconnection of the surviving multi-vendor resources and the utilization of portable emergency erbium-doped fiber amplifiers (EDFAs). The surviving multi-vendor optical nodes (e.g., reconfigurable optical add/drop multiplexer (ROADM) or wavelength cross-connect (WXC) nodes) and fiber links are the available resources during a disaster recovery and should be efficiently utilized first. The portable EDFAs are emergency resources added to replace the optical nodes that have either been destroyed or are down because of power outages. To solve this design problem, we propose an emergency network planning method using an integer linear programming (ILP) formulation such that the locations for the emergency interconnection of the multi-vendor networks and placement of the portable EDFAs are optimally selected. Evaluations show the benefits of the multi-vendor interconnection approach and utilization of emergency portable EDFAs.
机译: Abstract 本文中,我们介绍了一种针对低功耗的应急光网络设计问题。核心光传输网络的灾难后恢复成本。我们既考虑了尚存的多厂商资源之间的互连,又考虑了便携式应急掺do光纤放大器(EDFA)的使用。尚存的多厂商光节点(例如,可重新配置的光分插复用器(ROADM)或波长交叉连接(WXC)节点)和光纤链路是灾难恢复期间的可用资源,应首先进行有效利用。便携式EDFA是添加的紧急资源,以替换由于断电而被破坏或关闭的光节点。为了解决此设计问题,我们提出了一种使用整数线性规划(ILP)公式的应急网络规划方法,从而可以最佳地选择多厂商网络的应急互连位置和便携式EDFA的位置。评估显示了多供应商互连方法的好处以及应急便携式EDFA的利用。

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