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Using spectrum management techniques to differentiate services in elastic optical networks
(Institute of Electrical and Electronics Engineers (IEEE), 2015)
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Elastic Optical Networks (EONs) have emerged as a promising solution to cope with the growth and heterogeneity of networks data traffic. Nevertheless, several problems arise in dynamic scenarios, being spectrum fragmentation ...
Experimental demonstration of an active stateful PCE performing elastic operations and hitless defragmentation
(2013)
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Accés restringit per política de l'editorial
Text en actes de congrés.
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An experimental demonstration of active stateful PCE for flexgrid networks is presented. The PCE enables elastic operations on established connections and, when required, performs hitless defragmentation of spectrum ...
Resources optimization in GMPLS-based optical multilayer networks
(2009-06-09)
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Reducing virtual network reconfiguration and traffic losses under multiple traffic anomalies
(Optical Society of American (OSA), 2016)
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Multiple OD traffic anomalies can arise exceeding pre-planned capacity and causing congestion. We propose to detect anomalous and suspicious ODs to reduce virtual network reconfiguration and total traffic losses. Results ...
Optical network automation [Invited tutorial]
(Institute of Electrical and Electronics Engineers (IEEE), 2020)
Comunicació de congrés.
Accés obert
Comunicació de congrés.
Accés obert
Increased levels of automation will be necessary in view of more stringent performance requirements that next generation optical transport networks need to support in a near term, not only for high capacity, but, even more ...
Demonstration of latency-aware 5G network slicing on optical metro networks
(Optical Society of American (OSA), 2022-01-01)
Article.
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Article.
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The H2020 METRO-HAUL European project has architected a latency-aware, cost-effective, agile, and programmable optical metro network. This includes the design of semi-disaggregated metro nodes with compute and storage ...
ML-aided SOP compensation to increase key exchange rate in QKD systems
(Institute of Electrical and Electronics Engineers (IEEE), 2023)
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Secure communications have become a requirement for virtually all kind of applications. Currently, two distant parties can generate shared random secret keys by using public key cryptography. However, quantum computing ...
BER degradation detection and failure identification in elastic optical networks
(2017-08-30)
Article.
Accés obert
Article.
Accés obert
IEEE Optical connections support virtual links in MPLS-over-optical multilayer networks and therefore, errors in the optical layer impact on the quality of the services deployed on such networks. Monitoring the performance ...
Demonstration of monitoring and data analytics-triggered reconfiguration in partially disaggregated optical networks
(Institute of Electrical and Electronics Engineers (IEEE), 2020)
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Text en actes de congrés.
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We demonstrate a novel agent for optical disaggregated optical networks. When the Monitoring and Data Analytics detects a degradation, it recommends the SDN controller to trigger a network reconfiguration computed by a ...
Designing a digital twin for quantum key distribution
(Institute of Electrical and Electronics Engineers (IEEE), 2022)
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Text en actes de congrés.
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Classical optical devices lack precision when they operate on single photons. We report a Quantum Digital Twin (QDT) to improve Quantum Key Distribution (QKD) implementations. We show a QDT increasing the Key Exchange Rate ...