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Recent Submissions

  • An Optimization-as-a-Service platform for 6G exploiting network digital twins 

    Sallent Roig, Oriol; Martínez Caro, José Manuel; Baliosian, Javier; Díez Fernández, Luis Francisco; Contreras, Luis Miguel; Pérez Romero, Jordi; Gorricho Moreno, Juan Luis; Richart Gutiérrez, Matías Mario; Agüero Calvo, Ramón; Serrat Fernández, Juan; Pavón Mariño, Pablo; Vilà Muñoz, Irene (The Institution of Engineering and Technology, 2024)
    Part of book or chapter of book
    Restricted access - publisher's policy
    The continuous evolution of the communications networks in the race to support 6G services will introduce important operational challenges for network operators, especially in terms of efficient usage of resources, near ...

  • Assessment of exams at Atenea, an IMS LTI application for scalability problems 

    Alier Forment, Marc; Casany Guerrero, María José; Llorens García, Ariadna; Alcober Segura, Jesús Ángel; Prat Farran, Joana d'Arc (Book Publisher International, 2021-12-22)
    Part of book or chapter of book
    Restricted access - publisher's policy
    The online teaching support platform was changed by the Universitat Politècnica de Catalunya in 2004. Moodle, an open source software, was used in place of the prior proprietary software. The population's confinement at ...

  • The resources placement problem in a 5G hierarchical SDN control plane 

    Leyva Pupo, Irian; Cervelló Pastor, Cristina; Llorens Carrodeguas, Alejandro (Springer, 2019-01-09)
    Part of book or chapter of book
    Open Access
    In this paper, we address the SDN Controllers and Virtual Network Functions (VNFs) placement problem in 5G networks. To this aim, we propose an architecture for the 5G Control Plane and a method to determine the optimal ...

  • Optimal placement of User Plane Functions in 5G networks 

    Leyva Pupo, Irian; Cervelló Pastor, Cristina; Llorens Carrodeguas, Alejandro (Springer International Publishing, 2019-09)
    Part of book or chapter of book
    Open Access
    Because of developments in society and technology, new services and use cases have emerged, such as vehicle-to-everything communication and smart manufacturing. Some of these services have stringent requirements in terms ...

  • Software defined networks and data distribution service as key features for the 5G control plane 

    Llorens Carrodeguas, Alejandro; Cervelló Pastor, Cristina; Leyva Pupo, Irian (Springer, 2019-01-09)
    Part of book or chapter of book
    Restricted access - publisher's policy
    The latency and flexible requirements of the 5G network are challenging telecommunication operators to have a more flexible, scalable, faster and programmable architecture. To solve this problem, this paper proposes a ...

  • An integrated SDN-based architecture for Passive Optical Networks 

    Khalili, Hamzeh; Rincón Rivera, David; Sallent Ribes, Sebastián; Piney da Silva, José Ramón (InTech, 2018-09-19)
    Part of book or chapter of book
    Open Access
    Passive Optical Network (PON) are often managed by non-flexible, proprietary network management systems. Software Defined Networking (SDN) opens the way for a more efficient operation and management of networks. We describe ...

  • A distributed energy-aware routing algorithm in Software-Defined Networks 

    Fernández Fernández, Adriana; Cervelló Pastor, Cristina; Ochoa Aday, Leonardo (Springer, 2016-06-07)
    Part of book or chapter of book
    Restricted access - publisher's policy
    In this paper we address the issue of designing a novel distributed routing algorithm that optimizes the power consumption in large scale software-defined networks (SDN) with multiple domains. The solution proposed, called ...

  • A distributed algorithm for topology discovery in Software-Defined Networks 

    Ochoa Aday, Leonardo; Cervelló Pastor, Cristina; Fernández Fernández, Adriana (Springer, 2016-06-07)
    Part of book or chapter of book
    Restricted access - publisher's policy
    To ensure a proficient topology discovery service in Software-Defined Networks (SDN), we propose a simple agents-based mechanism to improve the efficiency of the topology discovery process. In this work, an algorithm for ...

  • On the optimal NFVI-PoP placement for SDN-enabled 5G networks 

    Santoyo González, Alejandro; Cervelló Pastor, Cristina (Springer, 2017-07-17)
    Part of book or chapter of book
    Restricted access - publisher's policy
    5G stringent requirements entail numerous challenges to overcome. Optimizing Network Function Virtualization Infrastructure Point of Presence (NFVI-PoP) placement in a Fog Computing/5G environment is one of these challenges. ...

  • El cambio tecnológico, digitalización, satélites, fibra óptica e irrupción de la informática y de las redes de telecomunicaciones 

    Elias Fusté, Antoni; Berenguer Sau, Jordi; Mataix Oltra, Jordi (Fundación Telefónica, 2016-12)
    Part of book or chapter of book
    Open Access
    Este segundo volumen de la historia de Telefónica arroja una mirada de gran angular sobre el desarrollo de la compañía desde los años 70 hasta los primeros años del siglo xxi, unas décadas marcadas por la apertura de ...

  • Problems in dynamic bandwidth allocation in connection oriented networks 

    Hesselbach Serra, Xavier (Springer, 2009)
    Part of book or chapter of book
    Restricted access - publisher's policy

  • Next Generation Optical Access Networks: from TDM to WDM 

    Gutiérrez González, Lluís; Garfias Hernandez, Paola; Andrade Jardín, Marilet de; Cervelló Pastor, Cristina; Sallent Ribes, Sebastián (INTECH, 2010-03)
    Part of book or chapter of book
    Open Access