Now showing items 1-16 of 16

    • A fuzzy-based reliaility for JXTA-overlay P2P platform considering data download speed, peer congestion situation, number of interaction and packet loss parameters 

      Liu, Yi; Oda, Tetsuya; Spaho, Evjola; Matsuo, Keita; Barolli, Leonard; Xhafa Xhafa, Fatos (Institute of Electrical and Electronics Engineers (IEEE), 2016)
      Conference report
      Open Access
      In this paper, we propose and evaluate a new fuzzy-based reliability system for Peer-to-Peer (P2P) communications in JXTA-Overlay platform considering as a new parameter the peer congestion situation. In our system, we ...
    • Common radio resource management algorithms for multimedia heterogeneous wireless networks 

      López Benítez, Miguel; Gozalvez, Javier (2011-09)
      Article
      Restricted access - publisher's policy
      Heterogeneous wireless systems are envisaged as the integration and joint cooperative management of diverse radio access networks and technologies through which network providers can satisfy the wide variety of user/service ...
    • Coordinated Computation of Multi-layer Paths via Inter-layer PCE Communication: Standards, Interoperability and Deployment 

      Chamania, Mohit; González de Dios, Óscar; López, Víctor; Cuaresma, Marta; Drogon, Marek; Jukan, Admela; Masip Bruin, Xavier; Yannuzzi, Marcelo (2012)
      Conference report
      Open Access
      The Path Computation Element (PCE) is positioned nowadays as one of the solutions that almost every carrier will eventually deploy. The PCE architecture as well as a number of components, including the PCE Communication ...
    • Decentralised multi-access MAC protocol for ad-hoc networks 

      Realp, Marc; Pérez Neira, Ana Isabel (2003)
      Conference report
      Open Access
      In ad-hoc radio networks, mechanisms on how to access the radio channel are extremely important in order to improve network efficiency and, when needed, to guarantee QoS. Traditionally, Medium Access Control (MAC) protocols ...
    • Diseño e implementación de un módulo de monitorización de LSPs para redes con soporte MPLS 

      Herrera Gil, Andrés Ricardo (Universitat Politècnica de Catalunya, 2011-07-29)
      Bachelor thesis
      Restricted access - author's decision
      En los últimos años la adopción de MPLS se ha incrementado debido a las ventajas y la cantidad de aplicaciones que ofrece. En una red MPLS se asignan etiquetas a los paquetes según entran al dominio y son conmutados en ...
    • Diseño e implementación de un servidor de comunicaciones para redes multidisciplinares con acceso seguro a internet, alta disponibilidad y calidad de servicio 

      González Fernández, Abelardo (Universitat Politècnica de Catalunya, 2012-09-04)
      Master thesis (pre-Bologna period)
      Open Access
      [ANGLÈS] This project arises from the need to improve the performance of the connection of the student residence in Terrassa with the University network and the Internet. The student residence in Terrassa Campus (RESA) was ...
    • Empirical analysis of traffic to establish a flow termination time-out 

      Molina Rodríguez, Juan (Universitat Politècnica de Catalunya, 2012-11)
      Master thesis (pre-Bologna period)
      Open Access
      [ANGLÈS] The inspection of contents of packets flowing on the Internet, also called Deep Packet Inspection (DPI), is the main technology used for traffic classification and anomaly searching due to its reliability and ...
    • Evaluación de herramientas de análisis de tráfico 

      Hinojosa Ramírez, Rubén (Universitat Politècnica de Catalunya, 2011-09-08)
      Bachelor thesis
      Open Access
      Este proyecto se ha realizado en un entorno laboral real, en una empresa que se dedica al sector de las Tecnologías de la Información y la Comunicación (TIC) y que ofrece servicios como Proveedor de Servicios de Internet ...
    • Evaluación de técnicas de captura y muestreo de tráfico en redes de ordenadores 

      Bastías López, Xavier (Universitat Politècnica de Catalunya, 2012-12-20)
      Bachelor thesis
      Open Access
      En las redes de ordenadores (típicamente redes IP), el análisis de tráfico con fines de administración y control se realiza construyendo un registro de los flujos IP activos. Esta monitorización se realiza en ciertos ...
    • Handling Outdated Information in Optical PCE Environments 

      Ramirez Almonte, Wilson; Masip Bruin, Xavier; Marín Tordera, Eva; Sánchez López, Sergio; Souza, Vitor Barbosa (2015)
      Conference report
      Restricted access - publisher's policy
      The rapid emergence of new network scenarios and architectures, such as Data Centers Networks (DCNs), Path Computation Element (PCE), and Software Defined Networking (SDN), has refreshed some on-line routing-related ...
    • Lowering traffic without sacrificing performance in networked control systems 

      Martí Colom, Pau; Velasco García, Manel; Yépez Castillo, José Gregorio; Martín Rull, Enric Xavier (IEEE Press. Institute of Electrical and Electronics Engineers, 2011)
      Conference lecture
      Restricted access - publisher's policy
      In Networked Control Systems (NCS), the amount of control data exchanged between sensors, controllers and actuators nodes highly depends on the control performance specifications given to each networked control loop. ...
    • La neutralidad de red: gestión de tráfico mediante DPI/DFI 

      Molina Rodriguez, Juan (Universitat Politècnica de Catalunya, 2012-01-12)
      Master thesis (pre-Bologna period)
      Open Access
      English: Net neutrality promotes some principles aimed at maintaining an open Internet, including specially the idea of granting the same treatment to all packets flowing through the network. This approach has been triggered ...
    • QoS scheduling in heterogeneous traffic multiuser multiantenna WLAN systems 

      Zorba, Nizar; Verikoukis, Christos; Pérez Neira, Ana Isabel (2009)
      Conference report
      Open Access
      A cross-layer based dynamically tuned queue length scheduler is presented in this paper, for the Downlink of multiuser and multiantenna WLAN systems with heterogeneous traffic requirements. An opportunistic scheduling ...
    • Recent advances on the simulation models for ad hoc networks: real traffic and mobility models 

      Doci, Arta; Barolli, Leonard; Xhafa Xhafa, Fatos (2009-03-01)
      Article
      Restricted access - publisher's policy
      In order to provide credible and valid simulation results it is important to built simulation models that accurately represent the environments were ad hoc networks will be deployed. Recent research results have shown that ...
    • Statistical Modelling of Channel Occupancy in Trunked PAMR Systems 

      Jordán Parra, Javier; Barceló Arroyo, Francisco (Elsevier Science B.V., 1997-06)
      Article
      Restricted access - publisher's policy
      Public access mobile radio systems (PAMR) using trunking technology allow more efficient use of the frequency spectrum, as all the users of the system jointly use a common pool of channels. Trunked PAMR systems can operate ...
    • Validation of a traffic-based CAC method under general channel holding time 

      Vassileva Vesselinova, Natalia; Barceló Arroyo, Francisco (2009)
      Conference report
      Restricted access - publisher's policy
      We validate a call admission control (CAC) method for mobile cellular networks under more restrictive conditions than those assumed in its design. The method uses distribution and the first and second moments of the ...