Now showing items 1-20 of 65

    • A Data Distribution Service in a hierarchical SDN architecture: implementation and evaluation 

      Llorens Carrodeguas, Alejandro; Cervelló Pastor, Cristina; Leyva Pupo, Irian (2019)
      Conference report
      Open Access
      Software-defined networks (SDNs) have caused a paradigm shift in communication networks as they enable network programmability using either centralized or distributed controllers. With the development of the industry and ...
    • 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 ...
    • 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 framework for placement and optimization of network functions in 5G 

      Leyva Pupo, Irian; Cervelló Pastor, Cristina; Llorens Carrodeguas, Alejandro (Unión Científica Internacional de Radio (URSI), 2018)
      Conference report
      Restricted access - publisher's policy
      In this paper, we propose an architecture for the 5G core network using Software Defined Networks (SDN) and Network Functions Virtualization (NFV) technologies. Moreover, based on this architecture, we design a framework ...
    • A fully SDN enabled all-optical architecture for data centre virtualisation with time and space multiplexing 

      Kondepu, K; Jackson, Chirs; Ou, Y; Pagès Cruz, Albert; Agraz Bujan, Fernando; Spadaro, Salvatore (Institute of Electrical and Electronics Engineers (IEEE), 2018-07-01)
      Article
      Open Access
      Virtual Data Centre (VDC) solutions provide an environment that is able to quickly scale-up and where virtual machines and network resources can be quickly added on-demand through self-service procedures. VDC providers ...
    • A hybrid packet/circuit optical transport architecture for DCN 

      Panahi, Nogol; Careglio, Davide; Solé Pareta, Josep (2019)
      Conference report
      Open Access
      The aim of this paper is to move away from today's multi-tier, manually operated, and performance limited Data Centre Network (DCN) towards more scalable, flexible, and optimized architecture of tomorrow. We propose a new ...
    • A modular simulation tool of an orchestrator for allocating virtual resources in SDN 

      García García, Aurelio Javier; Cervelló Pastor, Cristina; Jiménez Agudelo, Yury Andrea (2014-04)
      Article
      Open Access
      Software-Defined Networking (SDN) and Network Functions Virtualization (NFV) are technologies for enabling innovative network architectures. Nevertheless, a fundamental problem in instantiation of Virtual Networks (VNs), ...
    • A new RAN slicing strategy for multi-tenancy support in a WLAN scenario 

      Koutlia, Aikaterini; Umbert Juliana, Anna; Riggio, R.; Vilà Muñoz, Irene; Casadevall Palacio, Fernando José (Institute of Electrical and Electronics Engineers (IEEE), 2018)
      Conference report
      Restricted access - publisher's policy
      Radio Access Network (RAN) slicing is a key technology, based on Software Defined Networks (SDN) and Network Function Virtualization (NFV), which aims at providing a more efficient utilization of the available network ...
    • A software defined networking solution for on-demand base station wake-up in softwarized LTE systems 

      Abideen, Zainul (Universitat Politècnica de Catalunya, 2017-05-24)
      Master thesis
      Open Access
      LTE is a standard offering high speed wireless communication, and it is a major milestone towards flourishing the capabilities of 5th generation (5G) mobile networks to meet the exploding traffic growth in the current and ...
    • An architecture for the 5G control plane based on SDN and data distribution service 

      Llorens Carrodeguas, Alejandro; Cervelló Pastor, Cristina; Leyva Pupo, Irian; López-Soler, Juan Manuel; Navarro Ortiz, Jorge; Exposito Arenas, José Ángel (Institute of Electrical and Electronics Engineers (IEEE), 2018)
      Conference report
      Open Access
      The tremendous growth of services and costumers’ demands have rendered traditional networks inefficient. Telecommunication operators need a more flexible, scalable, faster and programmable architecture to offer users these ...
    • An online algorithm for dynamic NFV placement in cloud-based autonomous response networks 

      Ochoa Aday, Leonardo; Cervelló Pastor, Cristina; Fernández Fernández, Adriana; Grosso, P. (2018-05-15)
      Article
      Open Access
      Autonomous response networks are becoming a reality thanks to recent advances in cloud computing, Network Function Virtualization (NFV) and Software-Defined Networking (SDN) technologies. These enhanced networks fully ...
    • An online power-aware routing in SDN with congestion-avoidance traffic reallocation 

      Fernández Fernández, Adriana; Cervelló Pastor, Cristina; Ochoa Aday, Leonardo; Grosso, P. (2018)
      Conference report
      Restricted access - publisher's policy
      Software-Defined Networks (SDN) can be seen as a promising alternative to achieve the long-awaited power efficiency in current communications systems. In these programmable networks a power-aware mechanism could be easily ...
    • An SDN-based solution for horizontal auto-scaling and load balancing of transparent VNF clusters 

      Llorens Carrodeguas, Alejandro; Leyva Pupo, Irian; Cervelló Pastor, Cristina; Piñeiro, Luis; Siddiqui, Muhammad Shuaib (Multidisciplinary Digital Publishing Institute (MDPI), 2021-12-11)
      Article
      Open Access
      This paper studies the problem of the dynamic scaling and load balancing of transparent virtualized network functions (VNFs). It analyzes different particularities of this problem, such as loop avoidance when performing ...
    • Current Trends of Topology Discovery in OpenFlow-based Software Defined Networks 

      Ochoa Aday, Leonardo; Cervelló Pastor, Cristina; Fernández Fernández, Adriana (2015-09)
      Research report
      Open Access
      The explosion of Internet services such as video on demand, big data, server virtualization and cloud services is among the trends driving the networking industry to change traditional network architectures to more flexible ...
    • Design and analysis of fully virtualized cellular networks based on open-source frameworks 

      Palomares Torrecilla, Javier (Universitat Politècnica de Catalunya, 2021-09-08)
      Master thesis
      Open Access
      Covenantee:   Fundació i2cat
    • Design and deployment of real scenarios of TCP/IP networking and it security for software defined networks with next generation tools 

      Palomas Riera, Clàudia (Universitat Politècnica de Catalunya, 2018-05)
      Master thesis
      Open Access
      This thesis is about NSX, a Software Defined tool provided by VMware, to deploy and design virtual networks. The recent growth in the marked pushed companies to invest and use this kind of technology. This thesis explains ...
    • Design considerations for an energy-aware SDN-based architecture in 5G EPON nodes 

      Khalili, Hamzeh; Sayyad Khodashenas, Pouria; Rincón Rivera, David; Siddiqui, Shuaib; Piney da Silva, José Ramón; Sallent Ribes, Sebastián (Institute of Electrical and Electronics Engineers (IEEE), 2018)
      Conference report
      Restricted access - publisher's policy
      In the evolution of telecommunication industry towards 5G, Ethernet Passive Optical Networks (EPON) technology, with some unique features such as high capacity, low latency, and minimum cost per bit, positions itself as ...
    • Despliegue de funciones de red virtualizadas en el cloud mediante ONAP 

      Martí Luque, Adrià; Toro Marín, Albert; Ochoa Aday, Leonardo; Fernández Fernández, Adriana; Oller Arcas, Antonio; Cervelló Pastor, Cristina; Alcober Segura, Jesús Ángel (Universidad de Zaragoza (UZA), 2019)
      Conference lecture
      Open Access
      En este documento se explica la experiencia del despliegue de funciones de red virtualizadas en una red cloud privada mediante ONAP, junto con la arquitectura empleada, las máquinas utilizadas y el software necesario. ONAP ...
    • Developing IoT apps and modules on OpenDaylight: Extending OpenDaylight to Internet of Things 

      Fernández Papiol, Òscar (Universitat Politècnica de Catalunya, 2014-12)
      Bachelor thesis
      Restricted access - author's decision
      [CASTELLÀ] Internet of Things se encuentra durante los últimos años bajo el punto de mira de la industria de las tecnologías de la información (IT) y de la investigación académica con el objetivo de descubrir nuevos ...
    • Development of a secure monitoring framework for optical disaggregated data centres 

      Al-Smady, Murad (Universitat Politècnica de Catalunya, 2022-09-14)
      Master thesis
      Open Access
      The mismatch between the variability of resources required by running applications and the fixed amount of resources in server units severely limits resource utilization in today's Data Centers (DCs). The Disaggregated DC ...