Ara es mostren els items 35-54 de 61

    • Network coding-based protection scheme for elastic optical networks 

      Ramirez, William Fred; Masip Bruin, Xavier; Yannuzzi, Marcelo; Montero Banegas, Diego Teodoro; Martinez, Alejandro; Lopez, Victor Bohorquez (Institute of Electrical and Electronics Engineers (IEEE), 2014)
      Text en actes de congrés
      Accés restringit per política de l'editorial
      Optical technologies are the foundations supporting the current telecommunication network backbones due to the high speed transmissions achieved in fiber optical networks. Traditional optical networks consist of a fixed ...
    • 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. ...
    • OBGP+: An improved path-vector protocol for multi-domain optical networks 

      Yannuzzi, Marcelo; Masip Bruin, Xavier; Sánchez López, Sergio; Marín Tordera, Eva (2009-04)
      Article
      Accés obert
      One of the essential components for the dynamic provisioning of lightpaths across multiple domains is the Routing and Wavelength Assignment (RWA) strategy adopted. The consolidation that path-vector protocols have had in ...
    • On the challenges of establishing disjoint QoS IP/MPLS paths across multiple domains 

      Yannuzzi, Marcelo; Masip Bruin, Xavier; Sánchez López, Sergio; Domingo Pascual, Jordi; Orda, A; Sprintson, A (2006-12)
      Article
      Accés obert
      MPLS is being actively adopted as the core switching infrastructure at the intradomain level. This trend is mainly attributable to the undeniable potential of MPLS in terms of virtual private networks (VPNs) management, ...
    • Ontology-based information extraction from the configuration command line of network routers 

      Martínez Manzanilla, Anny Gabriela; Yannuzzi, Marcelo; Serral Gracià, René; Ramirez Almonte, Wilson (Springer, 2014)
      Text en actes de congrés
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      Knowledge extraction is increasingly attracting the attention of researchers from different disciplines, as a means to automate complex tasks that rely on bulk textual resources. However, the configuration of many devices ...
    • Open issues in interdomain routing: A survey 

      Yannuzzi, Marcelo; Masip Bruin, Xavier; Bonaventure, O (2005-11)
      Article
      Accés obert
      This article surveys several research challenges in interdomain routing. We introduce and describe these challenges in a comprehensible manner, along with a review of the most compelling contributions and ongoing research ...
    • Optical Multi-Domain Routing 

      Masip Bruin, Xavier; Yannuzzi, Marcelo (IEEE Computer Society Publications, 2009)
      Text en actes de congrés
      Accés obert
      Optical networks provide a clear opportunity to redesign the multi-domain routing paradigm. This paper reviews the current limitations in multi-domain routing as well as some of the research lines in the optical area.
    • Performance of translucent optical networks under dynamic traffic and uncertain physical-layer information 

      Yannuzzi, Marcelo; Quagliotti, Marco; Maier, G.; Marín Tordera, Eva; Masip Bruin, Xavier; Sánchez López, Sergio; Erangoli, Walter; Tamiri, G (IEEE Computer Society Publications, 2009)
      Text en actes de congrés
      Accés obert
      This paper investigates the performance of translucent Optical Transport Networks (OTNs) under different traffic and knowledge conditions, varying from perfect knowledge to drifts and uncertainties in the physical-layer ...
    • Quality of experience aware multimedia provisioning with cross-layer network management 

      Serral Gracià, René; Marín Tordera, Eva; Yannuzzi, Marcelo; Masip Bruin, Xavier; Sánchez López, Sergio (2010)
      Text en actes de congrés
      Accés obert
      This paper presents a Cross-layer Network Management System (NMS) that allows Service Providers (SPs) to perform cost-effective network resource reservations with their Network Operators (NOs). The novelty of our NMS is ...
    • Quality of experience based provisioning for service providers 

      Serral Gracià, René; Marín Tordera, Eva; Yannuzzi, Marcelo; Masip Bruin, Xavier; Sánchez López, Sergio (2009-12-14)
      Text en actes de congrés
      Accés obert
      Nowadays Network Operators (NOs) are providing service guaranties to customers by largely overprovisioning their networks, but as the Internet keeps growing, this approach is unveiling important issues in terms of cost and ...
    • Quality of experience enforcement in wireless networks 

      Serral Gracià, René; Yannuzzi, Marcelo; Marín Tordera, Eva; Masip Bruin, Xavier; Sánchez López, Sergio (Springer, 2010-06-01)
      Text en actes de congrés
      Accés obert
      In this paper we present a Multimedia Wireless Management System, which can be used on-line to assess and guarantee the quality of multimedia traffic in a wireless network. The proposed platform uses both network and ...
    • Reducing the effects of routing inaccuracy by means of prediction and an innovative link-state cost 

      Masip Bruin, Xavier; Marín Tordera, Eva; Yannuzzi, Marcelo; Serral Gracià, René; Sánchez López, Sergio (2010-05)
      Article
      Accés obert
      The routing inaccuracy problem is one of the major issues impeding the evolution and deployment of Constraint- Based Routing (CBR) techniques. This paper proposes a promising CBR strategy that combines the strengths of ...
    • Regenerator allocation in translucent networks under inaccurate physical information 

      Marín Tordera, Eva; Yannuzzi, Marcelo; Masip Bruin, Xavier; Sánchez López, Sergio; Martínez, Ricardo; Muñoz, Raul; Casellas, Ramon (2009-12-14)
      Text en actes de congrés
      Accés obert
      Optimized regenerator allocation techniques select which of the already installed regenerators in a translucent network must be used in order to maximize the quality of the optical signal while minimizing the opaqueness ...
    • Regenerator allocation in WDM networks with uncertainities in the Q factor 

      Marín Tordera, Eva; Yannuzzi, Marcelo; Masip Bruin, Xavier; Serral Gracià, René; Sánchez López, Sergio (2010-06-14)
      Text en actes de congrés
      Accés obert
      The performance of the regenerator allocation algorithms in WDM networks strongly depends on the accuracy of the physical-layer information such as the Q factor. In a translucent WDM network the already installed ...
    • Research Challenges in QoS routing 

      Masip Bruin, Xavier; Yannuzzi, Marcelo; Domingo Pascual, Jordi; Fonte, Alexandre; Curado, Marilia; Kuipers, Fernando Antonio; Van Mieghem, Piet (2006-03)
      Article
      Accés obert
      Quality of Service Routing is at present an active and remarkable research area, since most emerging network services require specialized Quality of Service (QoS) functionalities that cannot be provided by the current ...
    • Route leak identification: a step toward making inter-domain routing more reliable 

      Siddiqui, Muhammad Shuaib; Montero, D.; Yannuzzi, Marcelo; Serral Gracià, René; Masip Bruin, Xavier (Institute of Electrical and Electronics Engineers (IEEE), 2014)
      Text en actes de congrés
      Accés restringit per política de l'editorial
      Route leaks are one of the anomalies of inter-domain routing that have the capacity to produce large Internet service disruptions. Route leaks are caused because of violation of routing policies among Autonomous Systems. ...
    • Simple network management provisioning based on quality of experience feedback 

      Serral Gracià, René; Marín Tordera, Eva; Yannuzzi, Marcelo; Masip Bruin, Xavier; Sánchez López, Sergio (2010)
      Text en actes de congrés
      Accés obert
      This paper presents a promising Autonomic Network Management System (ANMS) that allows Service Providers (SPs) to perform efficient network resource provisioning with their Network Operators (NOs). The novelty of our ANMS ...
    • SODX - Examen Final (Curs 2014-2015) 

      Yannuzzi, Marcelo (Universitat Politècnica de Catalunya, 2015-01-09)
      Examen
      Accés restringit a la comunitat UPC
    • Strategies for internet route control: past, present and future 

      Yannuzzi, Marcelo (Universitat Politècnica de Catalunya, 2007-12-19)
      Tesi
      Accés obert
      Uno de los problemas más complejos en redes de computadores es el de proporcionar garantías de calidad y confiabilidad a las comunicaciones de datos entre entidades que se encuentran en dominios distintos. Esto se debe a ...
    • TEFIS: a single access point for conducting multifaceted experiments on heterogeneous test facilities 

      Yannuzzi, Marcelo; Siddiqui, Muhammad Shuaib; Sällström, Annika; Pickering, B.; Serral Gracià, René; Martínez Manzanilla, Anny Gabriela; Chen, W.; Taylor, S.; Benbadis, F.; Leguay, J.; Borrelli, E.; Ormaetxea, I.; Campowsky, K.; Giammatteo, G.; Aristomenopoulos, G.; Papavassiliou, Symeon; Kuczynski, T.; Zielinski, S.; Seigneur, J.M.; Ballester Lafuente, C.; Johansson, J.; Masip Bruin, Xavier; Caria, M.; Ribeiro Junior, J.R.; Salageanu, E.; Latanicki, J. (2014-04-22)
      Article
      Accés restringit per política de l'editorial
      A few years ago, an experimental facility composed of networking gear and simulation tools was sufficient for testing the main features of a prototype before the final product could be launched to the Internet market. This ...