Ara es mostren els items 45-64 de 87

    • Metaheuristic hybridizations for the regenerator placement and dimensioning problem in sub-wavelength switching optical networks 

      Pedrola Escribà, Òscar; Careglio, Davide; Klinkowski, Miroslaw; Velasco Esteban, Luis Domingo; Bergman, K.; Solé Pareta, Josep (Elsevier, 2013-02-01)
      Article
      Accés restringit per política de l'editorial
      Physical layer impairments severely limit the reach and capacity of optical systems, thereby hampering the deployment of transparent optical networks (i.e., no electrical signal regenerators are required). Besides, the ...
    • Modelling and performance evaluation of a national scale switchless based network 

      Careglio, Davide; Solé Pareta, Josep; Junyent Giralt, Gabriel; Spadaro, Salvatore; Masip Torne, Jaume; Noguera Serra, Juan José (Springer, 2000)
      Text en actes de congrés
      Accés restringit per política de l'editorial
      In a packet switching based scenario, optical technologies can not completely overcome the problem of insufficient network capacity, due to limitations produced by the presence of electronic switches and regenerators in ...
    • Modelling and performance evaluation of a translucent OBS network architecture 

      Pedrola Escribà, Òscar; Careglio, Davide; Klinkowski, Miroslaw; Solé Pareta, Josep (IEEE Computer Society Publications, 2010)
      Text en actes de congrés
      Accés obert
      Most 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 ...
    • MolComML: the molecular communication markup language 

      Alarcón Cot, Eduardo José; Cid Fuentes, R. G.; Davy, Alan; Felicetti, Luca; Femminella, Mauro; Lio, Pietro; Reali, Gianluca; Solé Pareta, Josep (Association for Computing Machinery (ACM), 2016)
      Text en actes de congrés
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      Given the high multi-disciplinarity of Molecular Communications (MolCom), researchers often face significant difficulties to understand each other. This impairment not only affect researchers with different backgrounds, ...
    • Multicast routing from a set of data centers in elastic optical networks 

      Molnár, Miklós; Le, Dinh Danh; Perelló Muntan, Jordi; Solé Pareta, Josep; McArdle, Conor (2019-11)
      Article
      Accés obert
      This paper introduces the Multi-Server Multicast (MSM) approach for Content Delivery Networks (CDNs) delivering services offered by a set of Data Centers (DCs). All DCs offer the same services. The network is an Elastic ...
    • Network measurements for web tracking analysis and detection: A tutorial 

      Castell Uroz, Ismael; Solé Pareta, Josep; Barlet Ros, Pere (2020-12)
      Article
      Accés obert
      Digital society has developed to a point where it is nearly impossible for a user to know what it is happening in the background when using the Internet. To understand it, it is necessary to perform network measurements ...
    • Network Polygraph: An innovative network visibility service (not only) for NRENs 

      Barlet Ros, Pere; Sanjuàs Cuxart, Josep; Solé Pareta, Josep; Gandía, Maria Isabel; Malagón, Chelo (2015)
      Comunicació de congrés
      Accés obert
      We present Network Polygraph (https://polygraph.io), a network monitoring service based on NetFlow/IPFIX that benefits from more than 10 years of research in the fields of network monitoring and traffic classification at ...
    • Non-linear optimization for multi-path source routing in OBS networks 

      Klinkowski, Miroslaw; Pioro, Michal; Careglio, Davide; Marciniak, Marian; Solé Pareta, Josep (2007-12)
      Article
      Accés obert
      Optical Burst Switching (OBS) architectures without buffering capabilities are sensitive to burst losses. A proper routing strategy may help to reduce such congestion. In this letter we present a novel approach for OBS ...
    • OBGP+: A Simple Approach to Drastically Improve OBGP 

      Yannuzzi, Marcelo; Masip Bruin, Xavier; Fabregó, Guillem; Sánchez López, Sergio; Solé Pareta, Josep (IEEE Computer Society Publications, 2008)
      Text en actes de congrés
      Accés obert
      During the last few years, the research community has shown an increasing interest in the subject of inter-domain routing in optical networks, so new approaches like the optical extension of BGP, namely OBGP, have arisen. ...
    • Offline routing and regenerator placement and dimensioning for translucent OBS networks 

      Pedrola Escribà, Òscar; Careglio, Davide; Klinkowski, Miroslaw; Solé Pareta, Josep (IEEE Press. Institute of Electrical and Electronics Engineers, 2011-09)
      Article
      Accés restringit per política de l'editorial
      The deployment of translucent optical networks is considered the most promising short term solution to decrease costs and energy consumption in optical backbone networks. In fact, translucent wavelength switched optical ...
    • On the benefits of optical gain-clamped amplification in optical burst switching networks 

      Zannin, Marcelo; Ennser, Karin; Taccheo, Stefano; Careglio, Davide; Solé Pareta, Josep; Aracil Rico, Javier (2009-12-01)
      Article
      Accés obert
      This paper investigates the performance of an all-optical method for amplification gain control to be applied in the next generation of optical networks. An erbium-doped fiber amplifier is implemented in a simple and passive ...
    • On the offline physical layer impairment aware RWA algorithms in transparent optical networks: state-of-the-art and beyond 

      Azodolmolky, Siamak; Pointurier, Yvan; Klinkowski, Miroslaw; Marín Tordera, Eva; Careglio, Davide; Solé Pareta, Josep; Angelou, Marianna; Tomkos, Ioannis (IEEE Press and Wiley, 2009-02-18)
      Text en actes de congrés
      Accés obert
      In transparent optical networks with no regeneration, the problem of capacity allocation to traffic demands is called "Roting and Wavelength Assignment". Much work on this topic recently has focused on the dynamic case, ...
    • On the physical impairments constraint in OBS networks 

      Pedrola Escribà, Òscar; Careglio, Davide; Klinkowski, Miroslaw; Solé Pareta, Josep (2010)
      Text en actes de congrés
      Accés obert
      The introduction of sub-wavelength switching is one of the main objectives of the future transparent optical mesh networks. One strong candidate is Optical Burst Switching (OBS) which improves the resource utilisation by ...
    • Opportunities and challenges in designing a blended international student project activity: Experiences from the EPIC project 

      Kuran, Mehmet Sükrü; Myrup Pedersen, Jens; Van Hattum Janssen, N.; Solé Pareta, Josep (Institute of Electrical and Electronics Engineers (IEEE), 2018)
      Text en actes de congrés
      Accés obert
      In this paper we explain our experiences and observations on a blended international teaching/training student project activity designed for students of different academic levels and programs at different universities ...
    • PCE algorithm for traffic grooming and QoS in multi-layer/multi-domain IP over WDM networks 

      Sócrates Dantas, Joana; Careglio, Davide; Melo Silveira, Regina; Vicente Ruggiero, Wilson; Solé Pareta, Josep (IEEE, 2011)
      Text en actes de congrés
      Accés restringit per política de l'editorial
      Differentiated services provision according to clients or applications is an added feature that network operators ambition to fully provide. One of the possible approaches is to map DiffServ into MPLS based network. However ...
    • Performance overview of the offset time emulated OBS network architecture 

      Klinkowski, Miroslaw; Careglio, Davide; Solé Pareta, Josep; Marciniak, Marian (2009-07)
      Article
      Accés obert
      Optical burst switching (OBS) control architecture considers two different models for the management of the offset time in the network. The conventional OBS (C-OBS) introduces the offset time in soft-way by delaying the ...
    • Preemption window for burst differentiation in OBS 

      Klinkowski, Miroslaw; Careglio, Davide; Morató, Daniel; Solé Pareta, Josep (BERTScope, 2008-02-28)
      Text en actes de congrés
      Accés obert
      This paper presents a novel control architecture for optical burst switching networks to efficiently apply burst preemption without the resources overbooking, which is specific to conventional OBS. Simulation results prove ...
    • Preemption window mechanism for efficient QoS support in E-OBS network architecture 

      Careglio, Davide; Klinkowski, Miroslaw; Solé Pareta, Josep (ICST, 2008-09-30)
      Text en actes de congrés
      Accés obert
      This paper focuses on the problem of quality of service (QoS) provisioning in optical burst switching (OBS) networks. OBS is a promising photonic network technology aiming at efficient transport of IP traffic by means of ...
    • Quality of network economics optimisation using service level agreement modelling 

      Santos Boada, Germán; Amazonas, José Roberto de Almeida; Solé Pareta, Josep (Wiley-Blackwell, 2016-02-09)
      Article
      Accés restringit per política de l'editorial
      This paper analyses the relationships between different service level agreement (SLA) components, that is, the different types of quality metrics employed by infrastructure and service providers. We propose that the quality ...
    • Reactive and proactive routing in labelled optical burst switching networks 

      Klinkowski, Miroslaw; Careglio, Davide; Solé Pareta, Josep (2009-04)
      Article
      Accés obert
      Optical burst switching architectures without buffering capabilities are sensitive to burst congestion. The existence of a few highly congested links may seriously aggravate the network throughput. Proper network routing ...