Now showing items 1-20 of 42

    • A deep reinforcement learning-based algorithm for reliability-aware multi-domain service deployment in smart ecosystems 

      Kibalya, Godfrey Mirondo; Serrat Fernández, Juan; Gorricho Moreno, Juan Luis; Okello, Dorothy; Zhang, Peiying (2020-10-05)
      Article
      Open Access
      The transition towards full network virtualization will see services for smart ecosystems including smart metering, healthcare and transportation among others, being deployed as Service Function Chains (SFCs) comprised of ...
    • A multi-domain VNE algorithm based on load balancing in the IoT networks 

      Zhang, Peiying; Liu, Fanglin; Jiang, Chunxiao; Benslimane, Abderrahim; Gorricho Moreno, Juan Luis; Serrat Fernández, Juan (Springer, 2021-02-06)
      Article
      Open Access
      The coordinated development of big data, Internet of Things, cloud computing and other technologies has led to an exponential growth in Internet business. However, the traditional Internet architecture gradually shows a ...
    • A multi-stage graph aided algorithm for distributed Service Function Chain provisioning across multiple domains 

      Kibalya, Godfrey Mirondo; Serrat Fernández, Juan; Gorricho Moreno, Juan Luis; Gift Bujjingo, Doreen; Serugunda, Jonathan (Institute of Electrical and Electronics Engineers (IEEE), 2021-08-16)
      Article
      Open Access
      Network Service Providers (NSPs) envisage to support the divergent and stringent requirements of future services by instantiating these services as service chains, commonly referred to as Service Function Chains (SFCs), ...
    • A multi-stage graph based algorithm for survivable Service Function Chain orchestration with backup resource sharing 

      Kibalya, Godfrey Mirondo; Serrat Fernández, Juan; Gorricho Moreno, Juan Luis; Serugunda, Jonathan; Zhang, Peiying (Elsevier, 2021-06)
      Article
      Restricted access - publisher's policy
      Network softwarisation introduces flexibility in network management by enabling the deployment of network functions as software modules running on virtual machines. However, this creates new concerns for service availability ...
    • A novel dynamic programming inspired algorithm for embedding of virtual networks in future networks 

      Kibalya, Godfrey Mirondo; Serrat Fernández, Juan; Gorricho Moreno, Juan Luis; Yao, Haipeng; Zhang, Peiying (2020-06-06)
      Article
      Open Access
      Network virtualization is envisioned to support flexible, cost effective and on-demand deployment of multiple Virtual Networks (VNs) on a shared underlying infrastructure. A key challenge under the virtualization paradigm ...
    • A path generation approach to embedding of virtual networks 

      Mijumbi, Rashid; Serrat Fernández, Juan; Gorricho Moreno, Juan Luis; Boutaba, Raouf (2015-07-21)
      Article
      Restricted access - publisher's policy
      As the virtualization of networks continues to attract attention from both industry and academia, the virtual network embedding (VNE) problem remains a focus of researchers. This paper proposes a one-shot, unsplittable ...
    • A reinforcement learning approach for placement of stateful Virtualized Network Functions 

      Kibalya, Godfrey Mirondo; Serrat Fernández, Juan; Gorricho Moreno, Juan Luis; Gift Bujjingo, Doreen; Sseregunda, Jonathan; Zhang, Peiying (International Federation for Information Processing (IFIP), 2021)
      Conference lecture
      Open Access
      Network softwarization increases network flexibility by supporting the implementation of network functions such as firewalls as software modules. However, this creates new concerns on service reliability due to failures ...
    • A reinforcement learning approach for Virtual Network Function Chaining and sharing in softwarized networks 

      Kibalya, Godfrey Mirondo; Serrat Fernández, Juan; Gorricho Moreno, Juan Luis; Zhang, Peiying (2022-05-17)
      Article
      Open Access
      Cognizant of the ease with which softwarized functions can be dynamically scaled according to real time resource requirements, and the fact that multiple services can have common VNFs in their chaining, this paper tackles ...
    • A two-dimensional architecture for end-to-end resource management in virtual network environments 

      Wang, Ning; Zhang, Yi; Serrat Fernández, Juan; Gorricho Moreno, Juan Luis; Guo, Tao; Hu, Zheng; Zhang, Ping (2012-09)
      Article
      Restricted access - publisher's policy
      In recent years, various network virtualization techniques have been proposed for flexibly supporting heterogeneous services over virtual network platforms. However, systematic views on how virtual network resources (VNRs) ...
    • Activity monitoring of employees working on large premises 

      Gorricho Moreno, Juan Luis; Sempere-Payá, Víctor-M.; Silvestre, Javier (2010)
      Conference report
      Open Access
      In this paper we expose our present work on a real-time monitoring system of human activities, using only a single cell phone equipped with some particular sensors. This way the monitoring system is reduced to the ...
    • Alternatives for indoor location estimation on uncoordinated environments 

      Gorricho Moreno, Juan Luis; Cotrina Navau, Josep (2011)
      Conference report
      Restricted access - publisher's policy
      Approaches based on signal-strength measurements are at present the most popular on indoor location due to their reasonable accuracy and cost effective deployment. In this paper, we present an outlook of our research on ...
    • An intelligent two-agent self-configuration approach for radio resource management 

      Collados Zamora, Kevin; Gorricho Moreno, Juan Luis; Serrat Fernández, Juan; Hu, Zheng; Xu, Ke (Institute of Electrical and Electronics Engineers (IEEE), 2015)
      Conference report
      Restricted access - publisher's policy
      In this paper we propose the use of a two-agent learning scheme for the management of radio resources on cellular access networks. The management is materialized by the implementation of a self-configuration system governing ...
    • Autonomic resource management in virtual network 

      Mijumbi, Rashid; Gorricho Moreno, Juan Luis; Serrat Fernández, Juan (2012)
      Conference report
      Restricted access - publisher's policy
      Virtualization enables the building of multiple virtual networks over a shared substrate. One of the challenges to virtualisation is efficient resource allocation. This problem has been found to be NP hard. Therefore, most ...
    • Challenges to support edge-as-a-service 

      Davy, Steven; Famaey, Jeroen; Serrat Fernández, Juan; Gorricho Moreno, Juan Luis; Miron, Avi; Dramitinos, Manos; Neves, Pedro Miguel; Latré, Steven; Goshen, Ezer (2014-01-16)
      Article
      Restricted access - publisher's policy
      A new era in telecommunications is emerging. Virtualized networking functions and resources will offer network operators a way to shift the balance of expenditure from capital to operational, opening up networks to new and ...
    • Comunicaciones móviles 

      Gorricho Moreno, Monica; Gorricho Moreno, Juan Luis (Edicions UPC, 2002)
      Book
      Restricted access to UB, UAB, UPC, UPF, UdG, UdL, URV, UOC, BC, UVic, UJI, URL, UIC users
      El presente trabajo se encuadra dentro de la bibliografía básica de las comunicaciones móviles, con un tratamiento de la temática que se extiende hasta los futuros sistemas de tercera generación. El contenido del mismo ...
    • Contribución a la caracterización de los sistemas de comunicaciones móviles: alternativas a la mejora de la capacidad de un sistema 

      Gorricho Moreno, Juan Luis (Universitat Politècnica de Catalunya, 1999-03-05)
      Doctoral thesis
      Open Access
      Esta Tesis presenta un estudio detallado de los mecanismos de control de potencia para un sistema de comunicaciones móviles basado en la técnica de multiplexado CDMA. En particular se ha llevado a cabo una evaluación de ...
    • Contributions to efficient resource management in virtual networks 

      Mijumbi, Rashid; Gorricho Moreno, Juan Luis; Serrat Fernández, Juan (2014-06-30)
      Article
      Restricted access - publisher's policy
      Network virtualisation is a promising technique for a better future Internet by allowing for network resource sharing. However, resource sharing requires that virtual nodes and links be embedded onto substrate nodes and ...
    • Design and evaluation of algorithms for mapping and scheduling of virtual network functions 

      Mijumbi, Rashid; Serrat Fernández, Juan; Gorricho Moreno, Juan Luis; Bouten, Niels; De Turck, Filip; Davy, Steven (2015)
      Conference report
      Restricted access - publisher's policy
      Network function virtualization has received attention from both academia and industry as an important shift in the deployment of telecommunication networks and services. It is being proposed as a path towards cost efficiency, ...
    • Design and evaluation of learning algorithms for dynamic resource management in virtual networks 

      Mijumbi, Rashid; Gorricho Moreno, Juan Luis; Serrat Fernández, Juan; Claeys, Maxim; De Turck, Filip; Latré, Steven (Institute of Electrical and Electronics Engineers (IEEE), 2014)
      Conference lecture
      Open Access
      Network virtualisation is considerably gaining attention as a solution to ossification of the Internet. However, the success of network virtualisation will depend in part on how efficiently the virtual networks utilise ...
    • Estrategia de búsqueda de dispositivos basada en el historial de conexiones utilizando redes neuronales 

      Abad Padilla, José Alfredo; Gorricho Moreno, Juan Luis (2009)
      Conference report
      Open Access
      La movilidad es una de las principales características de las redes de comunicación actuales y produce cambios en su estructura, que en muchas ocasiones no son advertidos por la totalidad de los dispositivos que la ...