Optical fiber networks

Distance-adaptive online RSA algorithms for heterogeneous flex-grid networks
Flex-grid elastic optical networks are an enabling technology for future heterogeneous on-demand optical bandwidth services. …
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On the role of open-source optical network planning
We argue that open source network planning tools like Net2Plan, and related open repositories of planning resources, can help to bridge …
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Packet reordering in the Lightpath Bundling & Anycast Switching (LB+AS) paradigm
In optical networks, Lightpath Bundling & Anycast Switching paradigm (LB+AS) consists of (i) bundling together the lightpaths which …
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TCP performance in an optical link applying lightpath bundling and anycast switching techniques
Lightpath bundling (LB) technique consists of grouping a set of lightpaths between two nodes so that they appear to the IP layer as a …
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Robust upgrade in optical networks under traffic uncertainty
Optical network operators face the challenge of upgrading the WDM network capacity to adapt to estimated traffic growths. Network …
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Experimental study on the impact of regenerator placement strategies when dynamically provisioning in translucent GMPLS WSON networks
The impact of the regenerator placement strategies when dynamically provisioning connections in translucent WSON is studied. The …
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Lightpath bundling and anycast switching: A good team for multilayer optical networks
This paper proposes the combination of the so-called lightpath bundling (LB) and anycast switching techniques, as a simple and …
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Algorithms for virtual topology reconfiguration under multi-hour traffic using Lagrangian relaxation and Tabu search approaches
Periodic reconfiguration of the virtual topology in transparent optical networks has been recently investigated as a mechanism to more …
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Scheduled Virtual Topology Design under periodic traffic in transparent optical networks
This paper investigates offline planning and scheduling in transparent optical networks for a given periodic traffic demand. The main …
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MILP formulations for scheduling lightpaths under periodic traffic
This paper addresses offline virtual topology design in transparent optical networks under given periodic traffic. We call this …
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