Ara es mostren els items 33-52 de 52

  • Monitoring the service-based system lifecycle with SALMon 

    Oriol Hilari, Marc; Franch Gutiérrez, Javier; Marco Gómez, Jordi (2015-11-01)
    Article
    Accés restringit per política de l'editorial
    Context and motivation: Service-Based Systems are highly dynamic software systems composed of several web services. In contrast to other types of systems, Service-Based Systems rely on service providers to ensure that their ...
  • La neutralidad de red: gestión de tráfico mediante DPI/DFI 

    Molina Rodriguez, Juan (Universitat Politècnica de Catalunya, 2012-01-12)
    Projecte/Treball Final de Carrera
    Accés obert
    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 ...
  • On centralized schedulers for 802.11e WLANs distribution versus grouping of resources allocation 

    Mur, D.C.; Pérez Costa, Xavier; Marchenko, V.; Sallent Ribes, Sebastián (2012-09)
    Article
    Accés restringit per política de l'editorial
    Wireless LAN is becoming a pervasive wireless access technology that can be found in almost any mobile device such as laptops, PDAs, portable game consoles and mobile phones. Each of these groups of devices have a different ...
  • Perfomance analysis of prioritisation and QOS control mechanisms in lte for public safety communications 

    Sahin, Bektas (Universitat Politècnica de Catalunya, 2014-07-21)
    Projecte Final de Màster Oficial
    Accés obert
    Analysis of QoS mechanisms and prioritization in LTE environments with consideration of a public safety communication.
  • Performance evaluation of bandwidth aware routing protocols in urban scenarios for vehicular ad hoc networks 

    López Márquez, Nely Patricia (Universitat Politècnica de Catalunya, 2012-04-24)
    Projecte Final de Màster Oficial
    Accés obert
    [ANGLÈS] Some services are critical and require to guaranteeing a certain level of Quality of Service (QoS) on metrics such as low delay, packet loss, bandwidth among others. This issue is a big challenge in VANETs ...
  • Performance evaluation of selected transmission control protocol variants over a digital video broadcasting-second generation broadband satellite multimedia system with QoS 

    Rendón Morales, Elizabeth; Mata Diaz, Jorge; Alins Delgado, Juan José; Muñoz Tapia, José Luis; Esparza Martín, Óscar (2013-11-07)
    Article
    Accés restringit per política de l'editorial
    This paper presents an analysis of several Transmission Control Protocol (TCP) variants working over a digital video broadcasting-second generation (DVB-S2) satellite link with the support of the Differentiated Services ...
  • Performance improvement strategies for current and next generation Wi-Fi systems 

    Gatnau Sarret, Marta; Ashta, Jagjit Singh (Universitat Politècnica de Catalunya / Aalborg Universiteit, 2012-06-13)
    Projecte/Treball Final de Carrera
    Accés obert
    [ANGLÈS] When we refer to wireless communications, Wi-Fi quickly comes to our minds despite that the first Wi-Fi standard appeared over 15 years ago. In these 15 years, the standard has evolved a lot, bringing high throughput ...
  • Plataforma per al monitoratge i l'explicació de violacions de clàusules de documents SLA 

    Rodríguez Navarro, Marc (Universitat Politècnica de Catalunya, 2014-01-14)
    Projecte/Treball Final de Carrera
    Accés obert
    Es proposa un model conceptual de referència d'anàlisi i monitoratge de qualitat de servei, i s'instancia amb SALMonADA, un sistema basat en serveis que notifica als clients de les violacions d'acords de nivell de servei ...
  • Provisioning multimedia wireless networks for better QoS: RRM strategies for 3G W-CDMA 

    Sallent Roig, José Oriol; Pérez Romero, Jordi; Agustí Comes, Ramon; Casadevall Palacio, Fernando José (IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC, 2003-02)
    Article
    Accés obert
    Third-generation mobile communication systems will bring a wide range of new services with different quality of service requirements and will open the ability to exploit radio resource management functions to guarantee a ...
  • Proyecto de interconexión 

    Borrás González, Raúl (Universitat Politècnica de Catalunya, 2007-02-23)
    Projecte/Treball Final de Carrera
    Accés obert
    Este proyecto se plantea con el objetivo de generar documentación para su aplicación en el bloque optativo de Intensificación en Redes Telemáticas del 3A de la titulación de Ingeniero Técnico de Telecomunicaciones, ...
  • QoS guarantee for wireless LAN with heterogeneous traffic 

    Alonso Zárate, Luis Gonzaga; Kartsakli, Elli; Alonso Zárate, Jesús; Verikoukis, Christos (2009)
    Text en actes de congrés
    Accés obert
    Distributed Queuing Collision Avoidance (DQCA) is an efficient MAC protocol designed for infrastructure Wireless LANs. In this paper, four algorithms are proposed that alter the FIFO scheduling order of DQCA in order to ...
  • QoS Multi-Spanning Tree for Optical Burst Switching 

    Triay Marquès, Joan; Cervelló Pastor, Cristina (IEEE, 2008-02)
    Comunicació de congrés
    Accés obert
    Optical Burst Switching (OBS) has been proposed as a future high-speed switching technology for Internet Protocol (IP) networks that may be able to efficiently utilize extremely high capacity links without the need for ...
  • Quality of network economics optimisation using service level agreement modelling 

    Santos Boada, Germán; Amazonas, José Roberto de Almeida; Solé Pareta, Josep (Wiley-Blackwell, 2016-02-09)
    Article
    Accés restringit per política de l'editorial
    This paper analyses the relationships between different service level agreement (SLA) components, that is, the different types of quality metrics employed by infrastructure and service providers. We propose that the quality ...
  • Runtime estimation of performance–power in CMPs under QoS constraints 

    Nishtala, Rajiv; Martorell Bofill, Xavier; Carpenter, Paul (Barcelona Supercomputing Center, 2015-05-05)
    Text en actes de congrés
    Accés obert
    One of the main challenges in data center systems is operating under certain Quality of Service (QoS) while minimizing power consumption. Increasingly, data centers are exploring and adopting heterogeneous server architectures ...
  • Software tool for passive real-time measurement of QoS parameters 

    Vlad, Mihai; Sandu, Ionut; Dobrota, Virgil; Trestian, Ionut; Domingo Pascual, Jordi (2006)
    Text en actes de congrés
    Accés restringit per política de l'editorial
    The paper presents the designing of a software tool for real-time measurement of the following quality of service parameters: one-way delay, average one-way delay, IP packet delay variation and average IP packet delay ...
  • Solving mesh router nodes placement problem in Wireless Mesh Networks by Tabu Search algorithm 

    Xhafa Xhafa, Fatos; Sánchez Lopez, Christian; Barolli, Admir; Takizawa, Makoto (2015-12-01)
    Article
    Accés restringit per política de l'editorial
    Wireless Mesh Networks (WMNs) are an important networking paradigm that offer cost effective Internet connectivity. The performance and operability of WMNs depend, among other factors, on the placement of network nodes in ...
  • Study of QoS parameters in IP traffic exchange agreements on the Internet 

    Romero González, Carlos Eduardo (Universitat Politècnica de Catalunya, 2012-09-10)
    Projecte Final de Màster Oficial
    Accés obert
    [ANGLÈS] The Internet has experimented big changes since its conception, the interconnection between Internet Service Providers (ISPs) has evolved as the core of Internet. These interconnections have being growing and ...
  • Toward QoS provision for virtualized resources in grids 

    Rodríguez Haro, Fernando; Freitag, Fèlix; Navarro Moldes, Leandro (Springer, 2010-03-10)
    Capítol de llibre
    Accés restringit per política de l'editorial
    Virtualization solutions have recently gained considerable attention for supporting the consolidation of application servers into one physical machine. In a vanilla Xen implementation the scheduler shares equally all of ...
  • Using data replication for improving QoS in MANETS 

    Kulla, E.; Spaho, Evjola; Xhafa Xhafa, Fatos; Barolli, Leonard; Takizawa, Makoto (Institute of Electrical and Electronics Engineers (IEEE), 2012)
    Text en actes de congrés
    Accés restringit per política de l'editorial
  • Virtualización de xPON con SDN 

    Mesones Ruiz, Antonio (Universitat Politècnica de Catalunya, 2016-10)
    Projecte/Treball Final de Carrera
    Accés obert
    SDN is a novel paradigm that enables more efficient operation and management in networks, by centralizing some functions that are distributed in the current network architectures. SIEPON is a novel standard that adds ...