Now showing items 55-74 of 81

  • New dynamic bandwidth allocation algorithm analysis: DDSPON for ethernet passive optical networks 

    Garfias Hernández, Paola (Universitat Politècnica de Catalunya, 2009-02-09)
    Master thesis (pre-Bologna period)
    Open Access
    This project aims to present the state of the art in Dynamic Bandwidth Allocation (DBA) solutions, as well as the study and evaluation of one proposal of DBA algorithm: the Distributed Dynamic Scheduling for EPON (DDSPON), ...
  • Nuevo criterio para la estimación de información de estado de certificados en MANET 

    Muñoz Tapia, José Luis; Parra Arnau, Javier; Hernández Gañán, Carlos; Jáimez, Marc (Universidad Politécnica de Cartagena, 2009)
    Conference report
    Restricted access - publisher's policy
    In general, certificate status validation is a critical operation but it is particularly complex in Mobile Ad-hoc Networks (MANETs). MANET users require solutions to manage both the lack of fixed infrastructure inside ...
  • OLSRp: predicting control information to achieve scalability in OLSR ad hoc networks 

    Medina Medina, Esunly; Meseguer Pallarès, Roc; Molina Clemente, Carlos; Royo Vallés, María Dolores (2010)
    Conference report
    Open Access
    Scalability is a key design challenge that routing protocols for ad hoc networks must properly address to maintain the network performance when the number of nodes increases. We focus on this issue by reducing the amount ...
  • Open issues in interdomain routing: A survey 

    Yannuzzi, Marcelo; Masip Bruin, Xavier; Bonaventure, O (2005-11)
    Article
    Open Access
    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 ...
  • Optimització de servei d'una xarxa WiFi corporativa 

    Homar Pastor, Adrià (Universitat Politècnica de Catalunya, 2011-01-18)
    Bachelor thesis
    Open Access
  • Optimization model for bandwidth allocation in a network virtualization environment 

    Botero Vega, Juan Felipe; Hesselbach Serra, Xavier (2009)
    Conference report
    Open Access
    Bandwidth allocation is one of the main problems in network virtualization. Mechanisms to allocate bandwidth may avoid bottlenecked virtual links. This paper proposes a model based on optimization theory, to distribute the ...
  • Path-vector routing stability analysis 

    Papadimitriou, Dimitri; Coras, Florin-Tudorel; Cabellos Aparicio, Alberto (2011-12)
    Article
    Restricted access - publisher's policy
    In this paper, we define a set of metrics that characterize the local stability properties of path-vector routing protocols such as BGP (Border Gateway Protocol). By means of these stability metrics, we propose a method ...
  • Performance of a time-of-arrival technique for positioning WLAN terminals 

    Izquierdo, F; Ciurana Adell, Marc; Barceló Arroyo, Francisco; Paradells Aspas, Josep (2006-06-30)
    Conference report
    Open Access
    Nowadays, several systems are available for outdoor location (i.e GPS, cellular networks based…). However, there is no proper location system for indoor scenarios. The technique presented in this paper proposes the use of ...
  • Predicting control information to achieve scalability in Networks 

    Solano Fernández, Andrea (Universitat Politècnica de Catalunya, 2012-09-28)
    Master thesis
    Open Access
    This project is focused on the validation and evaluation of a predictor designed for a wireless routing protocol named Optimized Link State Routing or OLSR, which is a proactive routing protocol, based on link-state ...
  • Projecte de Millora de Sistemes Informàtics i Xarxes d'una Empresa del Sector Càrnic 

    Alguacil Canto, Jaume (Universitat Politècnica de Catalunya, 2014-05-14)
    Master thesis (pre-Bologna period)
    Restricted access - confidentiality agreement
    Projecte de millora de xarxes i sistemes d'una empresa del sector càrnic
  • Proyecto Géminis 

    Fernández González, Óscar (Universitat Politècnica de Catalunya, 2008-06-30)
    Master thesis (pre-Bologna period)
    Open Access
  • Re arquitectura de una red lan mediante una nueva metodología diseñada para gestión de proyectos ti 

    Alarcón Florit, Alba (Universitat Politècnica de Catalunya, 2015-04-28)
    Master thesis (pre-Bologna period)
    Restricted access - author's decision
    [ANGLÈS] The current Final degree project has two objectives. First of all: to design an adequate project management methodology for an IT supplier company. This scheme will be adapted to the characteristics of the project ...
  • Recovery fairness and congestion control mechanisms in RPR networks 

    Domzal, Jerzy; Wajda, Krzysztof; Spadaro, Salvatore; Solé Pareta, Josep; Careglio, Davide (-, 2005-09-30)
    Conference report
    Open Access
    The paper describes fundamental features of RPR (Resilient Packet Ring - IEEE 802.17 standard). It focuses on proposals how to improve fairness mechanism and to increase network efficiency in state of congestion. Recovery ...
  • Reestructuració i millora de Cacti 

    Pubill Presas, Marc (Universitat Politècnica de Catalunya, 2012-06-25)
    Bachelor thesis
    Open Access
    En l’actualitat tota mitjana o gran empresa, formada per diferents sucursals o sèus, necessita una xarxa privada que connecti els treballadors i les diferents sèus. D’aquesta xarxa depèn el correcte funcionament dels ...
  • Rem design for cognitive radio networks in tv band 

    Darne Mari, Marc (Universitat Politècnica de Catalunya, 2014-06)
    Bachelor thesis
    Open Access
    [ANGLÈS] Recent studies have demonstrated a clearly visible fact in our environment: The boom of wireless networks traffic has made raise the need of more bandwidth, due to an increment of the usage of wireless resources; ...
  • Router security configuration towards LAN networks 

    Oñate Ferriz, Ignasi (Universitat Politècnica de CatalunyaTong ji da xue (Xina). College of Electronics and Information Engineering, 2013-09-10)
    Master thesis (pre-Bologna period)
    [ANGLÈS] The purpose of this project is to study the security of local network, such as a router providing wireless Internet connection to a particular home. The motivation of the project is the existence of an Internet ...
  • Sistema de videovigilancia utilizando recursos de LAN 

    Fernández García, David (Universitat Politècnica de Catalunya, 2007-01-18)
    Master thesis (pre-Bologna period)
    Open Access
  • Study and implementation of new DBA for WDM-PON 

    Carné Navarro, Marc (Universitat Politècnica de Catalunya, 2010-10-07)
    Master thesis
    Open Access
  • Testing NEPI usability and features 

    Pérez Rueda, Jordi (Universitat Politècnica de Catalunya, 2012-06-28)
    Master thesis
    Open Access
    Nowadays before using any new tool on a real scenario it is necessary to conduct some tests in order to know how it will work. When we talk about networks, we need to perform tests in almost-real scenarios trying to cover ...
  • Topology-aware group communication middleware for MANETs 

    Garcia-Lopez, Pedro; Gracia, Raúl; Espelt, Marc; París, Gerard; Arrufat, Marcel; Meseguer Pallarès, Roc (ACM Press. Association for Computing Machinery, 2009)
    Conference report
    Open Access
    We believe that any MANET middleware should be aware of the underlying multi-hop routing protocol to improve communication efficiency. In general, existing MANET middleware either ignore the underlying routing protocol or ...