Ara es mostren els items 113-132 de 158

    • 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)
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      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)
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      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)
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      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)
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      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, ...
    • On the optimality of concurrent container clusters scheduling over heterogeneous smart environments 

      Asensio Garcia, Adrian; Masip Bruin, Xavier; García Almiñana, Jordi; Sánchez López, Sergio (Elsevier, 2021-05-01)
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      Smart environments rely on the cloud for most computation activities; however, leveraging the availability of resources at the edge could complement the cloud capabilities to provide a resources continuum spectrum that ...
    • Open issues in interdomain routing: A survey 

      Yannuzzi, Marcelo; Masip Bruin, Xavier; Bonaventure, O (2005-11)
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      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)
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      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)
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      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 ...
    • Prediction-based routing as RWA in multilayer traffic engineering 

      Puype, Bart; Marín Tordera, Eva; Colle, D.; Sánchez López, Sergio; Pickavet, Mario; Masip Bruin, Xavier; Demeester, Piet (2012-04)
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      Multilayer traffic engineering (MLTE) allows coping with ever-increasing and varying traffic demands in IP-over-Optical multilayer networks. It utilizes cross-layer TE (Traffic Engineering) techniques to provision optical ...
    • Proactive vs reactive failure recovery assessment in combined fog-to-cloud (F2C) systems 

      Souza, Vitor Barbosa; Masip Bruin, Xavier; Marín Tordera, Eva; Ramirez Almonte, Wilson; Sánchez López, Sergio (Institute of Electrical and Electronics Engineers (IEEE), 2017)
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      The increasing number of end user devices at the edge of the network, along with their ever increasing computing capacity, as well as the advances in Data Center technologies, paved the way for the generation of Internet ...
    • 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)
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      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)
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      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)
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      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)
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      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)
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      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)
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      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)
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      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 ...
    • Resource identification in fog-to-cloud systems: toward an identity management strategy 

      Gómez Cárdenas, Alejandro; Masip Bruin, Xavier; Marín Tordera, Eva; Kahvazadeh, Sarang (2019-04-12)
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      og-to-Cloud (F2C) is a novel paradigm aiming at extending the cloud computing capabilities to the edge of the network through the hierarchical and coordinated management of both, centralized cloud datacenters and distributed ...
    • 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)
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      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. ...
    • Securing combined Fog-to-Cloud system through SDN approach 

      Kahvazadeh, Sarang; Souza, Vitor Barbosa; Masip Bruin, Xavier; Marín Tordera, Eva; García Almiñana, Jordi; Diaz, Rodrigo (Association for Computing Machinery (ACM), 2017)
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      Future IoT services execution may benefit from combining resources at cloud and at the edge. To that end, new architectures should be proposed to handle IoT services in a coordinated way at either the edge of the network, ...