Ara es mostren els items 42-61 de 61

    • 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 ...
    • The Effects of Optimized Regenerator Allocation in Trans-lucent Networks under Inaccurate Physical information 

      Marín Tordera, Eva; Yannuzzi, Marcelo; Masip Bruin, Xavier; Sánchez López, Sergio; Martínez, Ricardo; Muñoz, Raul; Casellas, Ramon; Maier, Guido (2010-02-04)
      Comunicació 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 ...
    • The EuQoS system: A solution for QoS routing in heterogeneous networks 

      Cordeiro, Luis; Monteiro, Edmundo; Burakowski, Wojciech; Beben, Andrzej; Mingozzi, Enzo; Stea, Giovanni; Masip Bruin, Xavier; Yannuzzi, Marcelo; Serral Gracià, René; Domingo Pascual, Jordi; Enríquez Gabeiras, José; Callejo, Maria Angeles; Diaz, Michel; Racaru, Florin (2007-02)
      Article
      Accés obert
      EuQoS is the acronym for “end-to-end quality of service support over heterogeneous networks,”which is a European research project aimed at building an entire QoS framework,addressing all the relevant network layers, ...
    • The Minimum Coincidence Routing Approach in Wavelength-Routed Optical WDM Networks 

      Grampin Castro, Eduardo; Masip Bruin, Xavier; Germán Duarte, Martín; Castro Casales, Alberto; Marín Tordera, Eva; Serral Gracià, René; Sánchez López, Sergio; Yannuzzi, Marcelo; Gagliano Molla, Roque (IEEE Computer Society Publications, 2009)
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      Management is a critical issue in optical networks. Highly impacting in management, routing in optical networks, is often decoupled into both the path selection and the wavelength assignment problems. In the former, ...
    • Toward a new addressing scheme for a service-centric Internet 

      Martínez Manzanilla, Anny Gabriela; Masip Bruin, Xavier; Ramirez Almonte, Wilson; Serral Gracià, René; Marín Tordera, Eva; Yannuzzi, Marcelo (2012)
      Text en actes de congrés
      Accés obert
      Traditional network architectures based on the Internet Protocol (IP) are now being questioned by the research community, since they are no longer positioned as the most suitable paradigm for supporting the increasing ...
    • Toward a new route control model for multidomain optical networks 

      Yannuzzi, Marcelo; Masip Bruin, Xavier; Fabrego, G; Sánchez López, Sergio; Sprintson, A; Orda, A (2008-06)
      Article
      Accés obert
      The design of the control plane model for multidomain optical networks poses complex challenges and introduces many open problems. Some initiatives have proposed Optical BGP (OBGP), which is an extension of BGP supporting ...
    • Towards a network operating system 

      López Álvarez, Victor; Gonzalez de Dios, Oscar; Fuentes, Beatriz; Yannuzzi, Marcelo; Fernández Palacios, Juan Pedro; Lopez, Diego (2014)
      Text en actes de congrés
      Accés restringit per política de l'editorial
      A Network Operating System (NetOS) is a novel paradigm for developing a next-generation network management and operation platform. As we shall describe, NetOS not only goes far beyond the SDN concepts but also constitutes ...
    • Understanding IPv4 prefix de-aggregation: challenges for routing scalability 

      Gagliano Molla, Roque; Grampin Castro, Eduardo; Baliosian, Javier; Masip Bruin, Xavier; Yannuzzi, Marcelo (IEEE Computer Society Publications, 2009)
      Text en actes de congrés
      Accés obert
      The Internet has become a vast and complex infrastructure. One of the aspects of deeper concern in the community is routing scalability, which involves both the size and dynamics of the global Internet routing table. ...