Browsing by Subject "Ordinadors, Xarxes d'"

Now showing items 1-20 of 424

    • 5G Radio access network slicing 

      Garcia Cruz, Víctor (Universitat Politècnica de Catalunya, 2018-07)
      Bachelor thesis
      Open Access
      With the introduction of 5G, it will be possible to simultaneously admit a wider range of applications and business models that was not possible with 4G. But in order to carry this out, it is necessary network slicing, ...

    • A collaborative protocol for anonymous reporting in vehicular ad hoc networks 

      Tripp Barba, Carolina; Urquiza Aguiar, Luis; Aguilar Igartua, Mónica; Parra Arnau, Javier; Rebollo Monedero, David; Forné Muñoz, Jorge; Pallarès Segarra, Esteve (Elsevier, 2013-11-01)
      Article
      Restricted access - publisher's policy
      Vehicular ad hoc networks (VANETs) have emerged to leverage the power of modern communication technologies, applied to both vehicles and infrastructure. Allowing drivers to report traffic accidents and violations through ...

    • A comprehensive study and performance evaluation of commercial VPN gateways and software-defined perimeter in the 5G network 

      Sans Falip, Roger (Universitat Politècnica de Catalunya, 2021-09-09)
      Bachelor thesis
      Restricted access - confidentiality agreement
      Covenantee:   Aalto-yliopisto. Sähkötekniikan korkeakoulu

    • A distributed, parallel, and generic virtual network embedding framework 

      Beck, Michael Till; Fischer, Andreas; de Meer, Hermann; Botero Vega, Juan Felipe; Hesselbach Serra, Xavier (2013)
      Conference report
      Restricted access - publisher's policy
      One of the main challenges of network virtualization is the mapping of virtual network demands to physical network resources, commonly known as the virtual network embedding (VNE) problem. This paper introduces DPVNE, a ...

    • A dynamic pricing algorithm for a network of virtual resources 

      Naudts, Bram; Flores Méndez, Mario Rogelio; Mijumbi, Rashid; Verbrugge, Sofie; Serrat Fernández, Juan; Colle, Didier (Institute of Electrical and Electronics Engineers (IEEE), 2016)
      Conference report
      Restricted access - publisher's policy
      A service chain is a combination of network services (e.g. network address translation (NAT), a firewall, etc.) that are interconnected to support an application (e.g. video-on-demand). Building a service chain requires a ...

    • A Dynamic Validation Infrastructure for Interoperable Grid Services 

      Luna García, Jesús (Universitat Politècnica de Catalunya, 2008-05-05)
      Doctoral thesis
      Open Access
      Los encargados de recursos Grid pueden autorizar el acceso a sus elementos de cómputo por medio de procedimientos bien establecidos para los clientes, regularmente a través del uso de credenciales criptográficas que en su ...

    • A fast and efficient algorithm to identify clusters in networks 

      Comellas Padró, Francesc de Paula; Miralles de la Asunción, Alicia (2010-11-01)
      Article
      Restricted access - publisher's policy
      A characteristic feature of many relevant real life networks, like the WWW, Internet, transportation and communication networks, or even biological and social networks, is their clustering structure. We discuss in this ...

    • A fast robust optimization-based heuristic for the deployment of green virtual network functions 

      Marotta, Antonio; Zola, Enrica Valeria; D'Andreagiovanni, Fabio; Kassler, Andreas (2017-10-01)
      Article
      Open Access
      Network Function Virtualization (NFV) has attracted a lot of attention in the telecommunication field because it allows to virtualize core-business network functions on top of a NFV Infrastructure. Typically, virtual network ...

    • A framework for dynamic network architecture and topology optimization 

      Shafigh, Alireza Shams; Lorenzo, Beatriz; Glisic, Savo; Pérez Romero, Jordi; DaSilva, Luiz A.; MacKenzie, Allen B.; Röning, Juha (2016-04)
      Article
      Open Access
      A new paradigm in wireless network access is presented and analyzed. In this concept, certain classes of wireless terminals can be turned temporarily into an access point (AP) anytime while connected to the Internet. This ...

    • A fuzzy-based trustworthiness system for P2P communications in JXTA-overlay considering positive and negative effects 

      Umezaki, Kouhei; Spaho, Evjola; Barolli, Leonard; Ikeda, Makoto; Xhafa Xhafa, Fatos; Takizawa, Makoto (2013)
      Conference report
      Restricted access - publisher's policy
      In Peer-to-Peer (P2P) networks, peers often interact with unknown peers and finding a reliable peer for interaction is a major challenge. In our previous work, we proposed and implemented a fuzzy-based trustworthiness ...

    • A GRASP with path-relinking heuristic for the survivable IP/MPLS-over-WSON multi-layer network optimization problem 

      Pedrola Escribà, Òscar; Ruiz Ramírez, Marc; Velasco Esteban, Luis Domingo; Careglio, Davide; González de Dios, Óscar; Comellas Colomé, Jaume (2013-12)
      Article
      Restricted access - publisher's policy
      In this paper we deal with the survivable internet protocol (IP)/multi-protocol label switching (MPLS)-over-wavelength switched optical network (WSON) multi-layer network optimization problem (SIMNO). This problem entails ...

    • A grid-enabled control plane architecture: the PHOSPHORUS approach 

      Simeonidou, Dimitra; Escalona, E.; Zervas, G.; Nejabati, R.; Spadaro, Salvatore; Binczewski, A.; Carrozzo, G.; Ciulli, N. (Optical Society of America, 2008)
      Conference report
      Open Access
      This paper presents the architecture of the Phosphorus Grid-enabled GMPLS (G2MPLS) Network Control Plane that implements the concept of Grid Network Services provisioning through a set of seamlessly integrated procedures.

    • A hybrid load-balancing and energy-aware RWA algorithm for telecommunication networks 

      Ricciardi, Sergio; Sembroiz Ausejo, David; Palmieri, Francesco; Santos Boada, Germán; Perelló Muntan, Jordi; Careglio, Davide (2015-06-25)
      Article
      Open Access
      In the last years, the power consumption of telecommunication networks has attracted the attention of both researchers and field experts in order to contain the associated energy bills and reduce their ecological impact. ...

    • A joint multi-path and multi-channel protocol for traffic routing in smart grid neighborhood area networks 

      Astudillo León, Juan Pablo; Cruz Llopis, Luis Javier de la (Multidisciplinary Digital Publishing Institute (MDPI), 2018-11-20)
      Article
      Open Access
      In order to improve the management mechanisms of the electric energy transport infrastructures, the smart grid networks have associated data networks that are responsible for transporting the necessary information between ...

    • A Middleware framework for self-adaptive large scale distributed services 

      Chacin Martínez, Pablo Jesus (Universitat Politècnica de Catalunya, 2011-07-21)
      Doctoral thesis
      Open Access
      Modern service-oriented applications demand the ability to adapt to changing conditions and unexpected situations while maintaining a required QoS. Existing self-adaptation approaches seem inadequate to address this challenge ...

    • 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 multidisciplinary model to quantify human uncertainty in human-centric cyber-physical-social systems: A 5G application use case 

      Alzate Mejía, Nestor; Perelló Muntan, Jordi; Santos Boada, Germán; Almeida Amazonas, José Roberto de (Institute of Electrical and Electronics Engineers (IEEE), 2024-05-03)
      Article
      Open Access
      The emerging Human-Centric Networks (HCN) paradigm shifts the passive role of individuals to an active one, intertwining the uncertainty of network resource usage with human dynamics, which are difficult to analyze and ...

    • A NetFlow/IPFIX implementation with OpenFlow 

      Suárez-Varela Maciá, José Rafael; Barlet Ros, Pere; Carela Español, Valentín (2017)
      Conference report
      Open Access

    • A note on a new general family of deterministic hierarchical networks 

      Dalfó Simó, Cristina; Fiol Mora, Miquel Àngel (2019-06-01)
      Article
      Open Access
      Hierarchical network; Small-word; Scale-free; Routing algorithm; Diameter; Clustering

    • A novel admission control scheme for network slicing based on squatting and kicking strategies 

      Hamouda, Ahmed Mohamed Abdelaty Elmekkawi; Hesselbach Serra, Xavier; Piney da Silva, José Ramón (Universidad de Zaragoza (UZA), 2019)
      Conference report
      Open Access
      New services and applications impose differentquality of service (QoS) requirements on network slicing. Tomeet differentiated service requirements, current Internet servicemodel has to support emerging real-time applications ...