Browsing by Author "Velasco Esteban, Luis Domingo"
Now showing items 1-20 of 256
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A column generation approach for large-scale RSA-based network planning
(Institute of Electrical and Electronics Engineers (IEEE), 2013)
Conference report
Restricted access - publisher's policyIn flexgrid-based optical networks, the problem of finding optimal route and spectrum allocation (RSA) for the demands in a traffic matrix becomes harder to solve than similar problems in fixed DWDM networks, mainly due ... -
A control and management architecture supporting autonomic NFV services
(2019-02)
Article
Open AccessThe proposed control, orchestration and management (COM) architecture is presented from a high-level point of view; it enables the dynamic provisioning of services such as network data connectivity or generic network slicing ... -
A distributed telemetry architecture for optical networks
(Institute of Electrical and Electronics Engineers (IEEE), 2023)
Conference report
Open AccessA distributed telemetry system is proposed with agents receiving and analyzing data before sending to a centralized manager. Intelligent data aggregation on optical constellations telemetry largely reduces data rate without ... -
A GRASP with path-relinking heuristic for the survivable IP/MPLS-over-WSON multi-layer network optimization problem
(2013-12)
Article
Restricted access - publisher's policyIn this paper we deal with the survivable internet protocol (IP)/multi-protocol label switching (MPLS)-over-wavelength switched optical network (WSON) multi-layer network optimization problem (SIMNO). This problem entails ... -
A GRASP-based heuristic to design the GMPLS control plane network topology with resilience guarantees
(IEEE Press. Institute of Electrical and Electronics Engineers, 2008)
Conference report
Restricted access - publisher's policyThe control plane topology has traditionally followed that of the data plane and therefore the design of the former, as well as its resilience, has been addressed in the latter's one. Owing to the fact that a clear separation ... -
A hierarchical AI-based control plane solution for multi-technology deterministic networks
(Association for Computing Machinery (ACM), 2023)
Conference report
Open AccessFollowing the Industry 4.0 vision of a full digitization of the industry, time-critical services and applications, allowing network infrastructures to deliver information with determinism and reliability, are becoming more ... -
A latency-aware real-time video surveillance demo: network slicing for improving public safety
(Institute of Electrical and Electronics Engineers (IEEE), 2021)
Conference report
Open AccessWe report the automated deployment of 5G services across a latency-aware, semi- disaggregated, and virtualized metro network. We summarize the key findings in a detailed analysis of end-to-end latency, service setup time, ... -
A service-oriented hybrid access network and clouds architecture
(2015-04-01)
Article
Open AccessMany telecom operators are deploying their own cloud infrastructure with the two-fold objective of providing cloud services to their customers and enabling network function virtualization. In this article we present an ... -
A traffic intensity model for flexgrid optical network planning under dynamic traffic operation
(Institute of Electrical and Electronics Engineers (IEEE), 2013)
Conference report
Restricted access - publisher's policyWe obtain a model to estimate the highest traffic intensity that a flexgrid-based network can support in dynamic scenarios. A design problem is introduced to illustrate its application. Numerical results validate both ... -
ABNO-driven content distribution in the telecom cloud
(2017-11-01)
Article
Open AccessAs current traffic growth is expected to strain capacity of today¿s metro network, novel content distribution architectures where contents are placed closer to the users are being investigated. In that regard, telecom ... -
Accurate low complex modulation format and symbol rate identification for autonomous lightpath operation
(2022-11-28)
Article
Open AccessNetwork automation promises to reduce costs while guaranteeing the required performance; this is paramount when dealing with the forecasted highly dynamic traffic that will be generated by new 5G/6G applications. In optical ... -
Active PCE demonstration performing elastic operations and hitless defragmentation in flexible grid optical networks
(2015-02-01)
Article
Restricted access - publisher's policy -
Adaptation of the residual signal for filter failure detection in scenarios with multiple filter types
(2019)
Conference report
Open AccessTo monitor the optical spectra of outgoing links, Optical Spectrum Analyzers (OSA) can deployed in the optical nodes acquiring the optical spectra of outgoing links and analyzing optical signals to detect ... -
Adapting the virtual network topology to near future traffic
(Institute of Electrical and Electronics Engineers (IEEE), 2017)
Conference report
Restricted access - publisher's policyThe introduction of new services requiring large and dynamic bitrate connectivity can cause changes in the direction of the traffic in metro and even core network segments along the day. This leads to large overprovisioning ... -
After failure repair optimization in dynamic flexgrid optical networks
(The Optical Society (OSA), 2014)
Conference report
Restricted access - publisher's policyWe introduce the problem of reoptimizing the network after a link failure has been repaired as an effective way for reducing capacity usage and improving network performance. Numerical results show gains higher than 42%. -
An analytical model for GMPLS control plane resilience quantification
(2009-12)
Article
Open AccessThis paper concentrates on the resilience of the Generalized Multi-Protocol Label Switching (GMPLS) enabled control plane. To this end, the problem of control plane resilience in GMPLS-controlled networks is firstly stated ... -
An architecture to support autonomic slice networking
(2017-09-01)
Article
Open AccessIEEE Network slices combine resource virtualization with the isolation level required by future 5G applications. In addition, the use of monitoring and data analytics help to maintain the required network performance, while ... -
An autoencoder-based solution for IQ constellation analysis
(Institute of Electrical and Electronics Engineers (IEEE), 2021)
Conference report
Open AccessA method for IQ constellation analysis based on Autoencoders is proposed. Exhaustive numerical results show accurate physical metric prediction and large data compression, while providing useful model explainability. -
An elastic networks OMNeT++-based simulator
(Institute of Electrical and Electronics Engineers (IEEE), 2013)
Conference report
Restricted access - publisher's policyAn increasing number of studies about flexgrid-based elastic optical networks are currently being carried out by industry as well as academic research teams. As access to real test-beds is limited, there is a lack of ... -
An experimental GMPLS-controlled network test-bed enabling sub-wavelength connection provisioning
(IEEE Press. Institute of Electrical and Electronics Engineers, 2009-06-28)
Conference report
Open AccessThe efficient accommodation of sub-wavelength client flows on optical channels is a current challenge for resources use optimization in GMPLS controlled optical networks. While optical channels capacity usually exceeds 10 ...
