Exploració per autor "Careglio, Davide"
Ara es mostren els items 1-20 de 101
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A GMPLS/OBS network architecture enabling QoS-aware end-to-end burst transport
Pedroso, Pedro; Perelló Muntan, Jordi; Spadaro, Salvatore; Careglio, Davide; Solé Pareta, Josep; Klinkowski, Miroslaw (2010-07-01)
Report de recerca
Accés obertThis paper introduces a Generalized Multi-Protocol Label Switching (GMPLS)-enabled Optical Burst Switched (OBS) network architecture featuring end-to-end QoS-aware burst transport services. This is achieved by setting up ... -
A GRASP meta-heuristic for evaluating the latency and lifetime impact of critical nodes in large wireless sensor networks
Sembroiz Ausejo, David; Ojaghi Kahjogh, Behnam; Careglio, Davide; Ricciardi, Sergio (Multidisciplinary Digital Publishing Institute, 2019-11-01)
Article
Accés obertWireless Sensor Networks (WSN) have lately been gaining momentum thanks to the hardware improvements and standardization software efforts. Moreover, the appearance of Internet of Things (IoT) and its reliance on sensors ... -
A GRASP with path-relinking heuristic for the survivable IP/MPLS-over-WSON multi-layer network optimization problem
Pedrola Escribà, Òscar; Ruiz Ramírez, Marc; Velasco Esteban, Luis Domingo; Careglio, Davide; González de Dios, Óscar; Comellas Colomé, Jaume (2013-12)
Article
Accés restringit per política de l'editorialIn 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 hybrid load-balancing and energy-aware RWA algorithm for telecommunication networks
Ricciardi, Sergio; Sembroiz Ausejo, David; Palmieri, Francesco; Santos Boada, Germán; Perelló Muntan, Jordi; Careglio, Davide (2015-06-25)
Article
Accés obertIn the last years, the power consumption of telecommunication networks has attracted the attention of both researchers and field experts in order to contain the associated energy bills and reduce their ecological impact. ... -
A hybrid packet/circuit optical transport architecture for DCN
Panahi, Nogol; Careglio, Davide; Solé Pareta, Josep (2019)
Text en actes de congrés
Accés obertThe aim of this paper is to move away from today's multi-tier, manually operated, and performance limited Data Centre Network (DCN) towards more scalable, flexible, and optimized architecture of tomorrow. We propose a new ... -
A multicast routing scheme for the Internet: simulation and experimentation in large-scale networks
Careglio, Davide; Agraz Bujan, Fernando; Papadimitriou, Dimitri (Multidisciplinary Digital Publishing Institute, 2021-09-17)
Article
Accés obertWith the globalisation of the multimedia entertainment industry and the popularity of streaming and content services, multicast routing is (re-)gaining interest as a bandwidth saving technique. In the 1990’s, multicast ... -
A multiobjective wavelength routing approach combining network and traffic engineering with energy awareness
Palmieri, Francesco; Ricciardi, Sergio; Fiore, Ugo; Castiglione, Aniello; Careglio, Davide (2017-12-01)
Article
Accés obertIn modern optical networks, infrastructure management is faced with the challenge of using expensive equipment and communication resources as efficiently as possible. This now includes keeping power consumption costs at a ... -
A novel impairment aware RWA algorithm with consideration of QoT estimation inaccuracy
Azodolmolky, Siamak; Pointurier, Yvan; Angelou, Marianna; Careglio, Davide; Solé Pareta, Josep; Tomkos, Ioannis (IEEE Press. Institute of Electrical and Electronics Engineers, 2011-04)
Article
Accés restringit per política de l'editorialIn all-optical networks the physical layer impairments accumulate along a lightpath and also vary dynamically, and a number of impairment aware routing and wavelength assignment (IA-RWA) techniques have been proposed in ... -
A novel monitor placement algorithm for accurate performance monitoring in optical networks
Angelou, Marianna; Pointurier, Yvan; Azodolmolky, Siamak; Careglio, Davide; Spadaro, Salvatore; Tomkos, Ioannis (2011)
Text en actes de congrés
Accés obertWe propose a novel monitor placement algorithm that reduces significantly the number of monitors required to accurately assess the QoT of all lightpaths established in an optical network, compared to other monitor placement ... -
A novel offline physical layer impairments aware RWA algorithm with dedicated path protection consideration
Azodolmolky, Siamak; Klinkowski, Miroslaw; Pointurier, Yvan; Angelou, Marianna; Careglio, Davide; Solé Pareta, Josep; Tomkos, Ioannis (2010-10-15)
Article
Accés obertPhysical layer impairments accumulate as light propagates through a lightpath in the transparent optical networks. Therefore, it is possible to provision a lightpath, while its quality of transmission (QoT) does not meet ... -
A novel SDN enabled hybrid optical packet/circuit switched data centre network: the LIGHTNESS approach
Peng, Shuping; Simeonidou, Dimitra; Zervas, George; Spadaro, Salvatore; Perelló Muntan, Jordi; Agraz Bujan, Fernando; Careglio, Davide; Becerra Fontal, Yolanda; Farreras Esclusa, Montserrat (2014)
Text en actes de congrés
Accés restringit per política de l'editorialCurrent over-provisioned and multi-tier data centre networks (DCN) deploy rigid control and management platforms, which are not able to accommodate the ever-growing workload driven by the increasing demand of ... -
A performance overview of quality of service mechanisms in optical burst switching networks
Klinkowski, Miroslaw; Careglio, Davide; Solé Pareta, Josep; Marciniak, Marian (Springer, 2009-04-01)
Capítol de llibre
Accés restringit per política de l'editorialThis Chapter addresses the problem of quality of service (QoS) provisioning in optical burst switching (OBS) networks. OBS is a photonic network technology aiming at efficient transport of IP traffic. The lack of optical ... -
A performance survey on deflection routing techniques for OBS networks
Pedrola Escribà, Òscar; Rumley, Sébastien; Careglio, Davide; Klinkowski, Miroslaw; Pedroso, Pedro; Solé Pareta, Josep; Gaumier, Christian (IEEE Press. Institute of Electrical and Electronics Engineers, 2009)
Text en actes de congrés
Accés obertIn this paper, we present a survey comparing different deflection routing based techniques applied to optical burst switching (OBS) networks. For such study we consider the E-OBS architecture proposed in [1] which is an ... -
A routing and spectrum assignment problem in optical OFDM networks
Klinkowski, Miroslaw; Careglio, Davide (2011)
Text en actes de congrés
Accés obertOptical Orthogonal Frequency Division Multiplexing (O-OFDM) is a novel and attractive modulation technology enabling flexible sub-wavelength and super-channel transmission in optical networks. In an OFDM-based optical ... -
A simulation study of combined routing and contention resolution algorithms in connection-oriented OPS network scenario
Klinkowski, Miroslaw; Careglio, Davide; Masip Bruin, Xavier; Spadaro, Salvatore; Sánchez López, Sergio; Solé Pareta, Josep (IEEE Press and Wiley, 2004-10-12)
Text en actes de congrés
Accés obertConnection-oriented optical packet-switched network integrates MPLS and OPS layers to exploit the best of electronic and optical technologies. In particular, routing components use enhanced routing algorithms to compute ... -
A survey on physical layer impairments aware routing and wavelength assignment algorithms in optical networks
Azodolmolky, S; Klinkowski, Miroslaw; Marín Tordera, Eva; Careglio, Davide; Solé Pareta, Josep; Tomkos, Ioannis (2009-03)
Article
Accés restringit per política de l'editorialOptical networks are moving from opaque and translucnet architectures towards all-optical (transparent) architecutres. In translucent architectures a small amount of regeneration (e.g. optical-electronic-optical conversion) ... -
Adaptive burst admission and forwarding in OBS networks
Rumley, Sébastien; Pedrola Escribà, Òscar; Klinkowski, Miroslaw; Pedroso, Pedro; Gaumier, Christian; Careglio, Davide; Solé Pareta, Josep (IEEE, 2009-07-31)
Text en actes de congrés
Accés obertThis paper addresses the problem of controlling the performance of optical burst switching (OBS) networks in presence of non-stationary traffic demands. We propose a joint burst admission control and forwarding mechanism ... -
ALLIANCE Project: Architecting a knowledge-defined 5G-enabled network infrastructure
Careglio, Davide; Spadaro, Salvatore; Cabellos Aparicio, Alberto; Lázaro Villa, José Antonio; Perelló Muntan, Jordi; Barlet Ros, Pere; Gené Bernaus, Joan M.; Paillissé Vilanova, Jordi (Institute of Electrical and Electronics Engineers (IEEE), 2018)
Text en actes de congrés
Accés obertLeaving the current 4th generation of mobile communications behind, 5G will represent a disruptive paradigm shift integrating access networks, ultra-high capacity access/metro/core optical networks and intra-datacentre ... -
An analysis of Regenerator Placement strategies for a Translucent OBS network architecture
Pedrola Escribà, Òscar; Careglio, Davide; Klinkowski, Miroslaw; Solé Pareta, Josep (2010-09-28)
Report de recerca
Accés obertMost research works in optical burst switching (OBS) networks do not take into account the impact of physical layer impairments (PLIs) either by considering fully transparent (i.e., using optical 3R regeneration) or opaque ... -
An energy-aware engineered control plane for wavelength-routed networks
Ricciardi, Sergio; Wang, Jiayuan; Palmieri, Francesco; Careglio, Davide; Dittmann, Lars (Wiley-Blackwell, 2015-02)
Article
Accés obertDespite the significant degree of technological maturity reached by large-scale optical transmission infrastructures, new critical issues are emerging as side effects associated to their energy consumption, environmental ...