Exploració per tema "Ordinadors, Xarxes d'"

Ara es mostren els items 21-40 de 418

    • 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)
      Text en actes de congrés
      Accés restringit per política de l'editorial
      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
      Accés restringit per política de l'editorial
      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 performance study of the 802.11p standard for vehicular applications 

      Guerrero Ibáñez, Juan Antonio; Flores, C.; Damian-Reyes, Pedro; Barba Martí, Antonio; Reyes Muñoz, María Angélica (IEEE, 2011)
      Comunicació de congrés
      Accés restringit per política de l'editorial
      Vehicular Ad-hoc Networks (VANETs) are currently in everyone's mouth when talking about future technologies that will be implemented in the automotive industry. In the last years the IEEE group has been working in the ...

    • 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)
      Text en actes de congrés
      Accés restringit per política de l'editorial
      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 ...

    • 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)
      Projecte Final de Màster Oficial
      Accés obert
      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 ...

    • A software platform for measuring distances through round trip time in IEEE 802.11 

      Martín Escalona, Israel; Barceló Arroyo, Francisco; Zola, Enrica Valeria (IEEE Computer Society Publications, 2013)
      Text en actes de congrés
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      Indoor positioning has focused the interest of researchers for years. Although there are several techniques proposed, they are difficult to reproduce and consequently to contrast and improve. This paper presents a modular ...

    • A streaming machine description and programming model 

      Carpenter, Paul Matthew; Ródenas Picó, David; Martorell Bofill, Xavier; Ramírez Bellido, Alejandro; Ayguadé Parra, Eduard (2007-07)
      Article
      Accés restringit per política de l'editorial
      In this paper we present the initial development of a streaming environment based on a programming model and machine description. The stream programming model consists of an extension to the C language and it’s translation ...

    • A survey and taxonomy of ID/Locator Split Architectures 

      Ramirez Almonte, Wilson; Masip Bruin, Xavier; Yannuzzi, Marcelo; Serral Gracià, René; Martínez Manzanilla, Anny Gabriela; Siddiqui, Muhammad Shuaib (2014-02-26)
      Article
      Accés restringit per política de l'editorial
      The IP-based addressing scheme currently supporting the whole routing architecture embeds some well-known limitations that may significantly hinder the deployment of new applications and services on the Internet. Indeed, ...

    • A survey on M2M systems for mHealth: a wireless communications perspective 

      Kartsakli, Elli; Lalos, Aristeidis; Antonopoulos, Angelos; Tennina, Stefano; Di Renzo, Marco; Alonso Zárate, Luis Gonzaga; Verikoukis, Christos (2014-10-01)
      Article
      Accés obert
      In the new era of connectivity, marked by the explosive number of wireless electronic devices and the need for smart and pervasive applications, Machine-to-Machine (M2M) communications are an emerging technology that enables ...

    • A topic on simulation in telecommunications engineering 

      Barceló Arroyo, Francisco; Martín Escalona, Israel; Zola, Enrica Valeria (Institute of Electrical and Electronics Engineers (IEEE), 2014)
      Text en actes de congrés
      Accés restringit per política de l'editorial
      Topics on network simulation are often offered as elective topics or short seminars of programs on computer sciences and telecommunications engineering. In other programs simulation is offered as part of a general core ...

    • A viewpoint of the network management paradigm for future Internet networks 

      Rubio Loyola, Javier; Serrat Fernández, Juan; Astorga Rivera, José Antonio; Fischer, Andreas; Berl, Andreas; de Meer, Hermann; Koumoutsos, Giannis (2009)
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      This paper presents a viewpoint of the management for the Future Internet. For this description we consider the architectural model developed by the EU IST Autonomic Internet – AUTOI – consortium for the management ...

    • Abstraction of Mobile Network Topology 

      Codes Morales, Albert (Universitat Politècnica de Catalunya, 2015-03-09)
      Projecte/Treball Final de Carrera
      Accés obert
      Realitzat a/amb:   King's College London
      [ANGLÈS] Analyse the effect that abstracting topology of mobile networks would have on the performance of current mobile networks. The investigations are carried out in network simulator and by designing the SDN-based ...

    • Access to streams in multiprocessor systems 

      Valero Cortés, Mateo; Peirón Guardia, Montse; Ayguadé Parra, Eduard (Institute of Electrical and Electronics Engineers (IEEE), 1993)
      Text en actes de congrés
      Accés obert
      When accessing streams in vector multiprocessor machines, degradation in the interconnection network and conflicts in the memory modules are the factors that reduce the efficiency of the system. In this paper, we present ...

    • Adapting the virtual network topology to near future traffic 

      Morales Alcaide, Fernando; Festa, Paola; Ruiz Ramírez, Marc; Velasco Esteban, Luis Domingo (Institute of Electrical and Electronics Engineers (IEEE), 2017)
      Text en actes de congrés
      Accés restringit per política de l'editorial
      The introduction of new services requiring large and dynamic bitrate connectivity can cause changes in the direction of the traffic in metro and even core network segments along the day. This leads to large overprovisioning ...

    • ALEVIN - A framework to develop, compare, and analyze virtual network embedding algorithms 

      Fischer, Andreas; Botero Vega, Juan Felipe; Duelli, Michael; Schlosser, Daniel; Hesselbach Serra, Xavier; de Meer, Hermann (2011)
      Text en actes de congrés
      Accés obert
      Network virtualization is recognized as an enabling technology for the Future Internet. Applying virtualization of network resources leads to the problem of mapping virtual resources to physical resources, known as “Virtual ...

    • ALEVIN implementation, validation and use cases definition 

      Bonnín Soler, Àlex (Universitat Politècnica de Catalunya, 2020-06)
      Treball Final de Grau
      Accés obert
      The objective of this project is to validate and renovate ALEVIN, a software created in 2010 to simulate Virtual Network Embedding scenarios and test network mapping algorithms. In this thesis the different versions published ...

    • Algorithms to prevent attacks in active directory environments 

      Ibars Cubel, Albert (Universitat Politècnica de Catalunya, 2022-10-21)
      Treball Final de Grau
      Accés obert
      Microsoft Active Directory is the default management system for Windows domain networks, so convenient that it is used in many organizations worldwide. Because of this popularity, AD has been a focused cyberattack target. ...

    • An energy-efficient distributed dynamic bandwidth allocation algorithm for Passive Optical Access Networks 

      Khalili, Hamzeh; Rincón Rivera, David; Sallent Ribes, Sebastián; Piney da Silva, José Ramón (2020-03-13)
      Article
      Accés obert
      The rapid deployment of passive optical access networks (PONs) increases the global energy consumption of networking infrastructure. This paper focuses on the minimization of energy consumption in Ethernet PONs (EPONs). ...

    • An hybrid prediction-based routing approach for reducing routing inaccuracy in optical transport networks 

      Ramirez Almonte, Wilson; Masip Bruin, Xavier; Marín Tordera, Eva; Yannuzzi, Marcelo; Martínez Manzanilla, Anny Gabriela; Sánchez López, Sergio; López Álvarez, Victor (Institute of Electrical and Electronics Engineers (IEEE), 2014)
      Text en actes de congrés
      Accés obert
      The advent of network technologies such as Automatically Switched Optical Networks (ASON) and Generalized Multiprotocol Label Switching (GMPLS) pave the way to the deployment of flexible optical transport networks (OTNs). ...

    • An infrastructure for detecting and punishing malicious hosts using mobile agent watermarking 

      Esparza Martín, Óscar; Muñoz Tapia, José Luis; Tomás Buliart, Joan; Soriano Ibáñez, Miguel (2010-04-02)
      Article
      Accés obert
      Mobile agents are software entities consisting of code, data, and state that can migrate autonomously from host to host executing their code. In such scenario there are some security issues that must be considered. In ...