Browsing by Subject "Computer networks"

Now showing items 1-20 of 370

    • 3G access network dimensioning for isolated rural communities in developing countries 

      Olmo Alòs, Jaume del (Universitat Politècnica de Catalunya, 2013-12-18)
      Master thesis (pre-Bologna period)
      Open Access
      [ANGLÈS] Based on the definition of the access network planning architecture and the voice and data traffic evolution forecast, this document derives engineering rules for network dimensioning in rural areas. Network ...

    • 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 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 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 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 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 ...

    • A Novel and scalable naming strategy for IoT scenarios 

      Gómez Cárdenas, Alejandro; Masip Bruin, Xavier; Marín Tordera, Eva; Kahvazadeh, Sarang (2018)
      Conference report
      Open Access
      Fog-to-Cloud (F2C) is a novel paradigm aimed at increasing the benefits brought by the growing Internet-of-Things (IoT) devices population at the edge of the network. F2C is intended to manage the available resources from ...

    • A novel path computing framework under QoX constraints based on N&PV functions embedding 

      Hesselbach Serra, Xavier; Botero Vega, Juan Felipe; Amazonas, Jose Roberto (2015)
      Conference report
      Restricted access - publisher's policy
      Network function virtualization (NFV) and software-defined networking (SDN) represent new paradigms in networking. In this paper, we extend the concept of NFV to include the functions associated to the physical objects of ...

    • A novel paths algebra-based strategy to flexibly solve the link mapping stage of VNE problems 

      Botero Vega, Juan Felipe; Molina, Miguel; Hesselbach Serra, Xavier; Almeida Amazonas, José Roberto de (2013-11)
      Article
      Restricted access - publisher's policy
      One of the main challenges of network virtualization is the virtual network embedding problem (VNE) that consists of mapping virtual network demands in physical network resources. VNE can be decomposed into two stages: ...

    • A preliminary model for optimal load distribution in heterogeneous smart environments 

      García Almiñana, Jordi; Aguiló Gost, Francisco de Asis L.; Simó Mezquita, Ester; Zaragoza Monroig, M. Luisa; Masip Bruin, Xavier; LU, Yunsong; Prieto González, Andrés; Molinas Ramón, Joan (2019)
      Conference report
      Restricted access - publisher's policy
      Smart cities are becoming popular and, with them, a plethora of resources is emerging turning into a massive concentration of computing devices. In such environments, the deployment of a smart resources management system ...