El grup CBA és un grup de recerca de la UPC i un GRC (2001SGR-00226, 2005SGR-00481, 2009SGR-01140, 2014SGR-1427, 2017SGR-1037). L'àmbit de recerca se centra en les xarxes de computadors i comunicacions abordant les temàtiques: xarxes IP, xarxes òptiques, monitorització de xarxa i anàlisi de tràfic, identitat digital i signatura electrònica, xarxes energèticament eficients i nano-comunicacions, xarxes 5G. El grup CBA forma part del Centre Específic de Recerca CCABA/UPC.

El grupo CBA es un grupo de investigación de la UPC y un GRC (2001SGR-00226, 2005SGR-00481, 2009SGR-01140). El ámbito de investigación se centra en las redes de computadores y comunicaciones abordando las temáticas: redes IP, redes ópticas, monitorización de red y análisis de tráfico, identidad digital y firma electrónica, redes energéticamente eficientes y nano-comunicaciones. El grupo CBA forma parte del Centro Específico de Investigación CCABA / UPC.

The study, design and evaluation of broadband communication networks, broadband Internet and optical networks. Network architectures, communication protocols, MAC protocols, network services, performance and traffic characterisation, traffic monitoring, quality of service, GMPLS networks, OBS, OPS, mobility, anomaly detection, new netwirk architectures, 5G network architecture.

The study, design and evaluation of broadband communication networks, broadband Internet and optical networks. Network architectures, communication protocols, MAC protocols, network services, performance and traffic characterisation, traffic monitoring, quality of service, GMPLS networks, OBS, OPS, mobility, anomaly detection, new netwirk architectures, 5G network architecture.

Recent Submissions

  • An analysis of the applicability of blockchain to secure IP addresses allocation, delegation and bindings 

    Paillissé Vilanova, Jordi; Rodríguez Natal, Alberto; Ermagan, Vina; Maino, Fabio; Vegoda, Leo; Cabellos Aparicio, Alberto (2018-06-29)
    External research report
    Open Access
    This document analyzes how blockchain technology can be used to secure the allocation, delegation and binding to topological information of the IP address space. The main outcomes of the analysis are that blockchain is ...
  • Decision-making under uncertainty for the deployment of future hyperconnected networks: A survey 

    Alzate Mejía, Nestor; Santos Boada, Germán; Almeida Amazonas, José Roberto de (Multidisciplinary Digital Publishing Institute (MDPI), 2021-05-30)
    Article
    Open Access
    Among the several emerging dimensioning, control and deployment of future communication network paradigms stands out the human-centric characteristic that creates an intricate relationship between telematics and human ...
  • Scaling of multi-core quantum architectures: a communications-aware structured gap analysis 

    Rodrigo Muñoz, Santiago; Bandic, Medina; Abadal Cavallé, Sergi; van Someren, Hans; Alarcón Cot, Eduardo José; García Almudéver, Carmen (Association for Computing Machinery (ACM), 2021)
    Conference report
    Open Access
    In the quest of large-scale quantum computers, multi-core distributed architectures are considered a compelling alternative to be explored. A crucial aspect in such approach is the stringent demand on communication among ...
  • One protocol to rule them all: Wireless network-on-chip using deep reinforcement learning 

    Jog, Suraj; Liu, Zikun; Franques, Antonio; Fernando, Vimuth; Abadal Cavallé, Sergi; Torrellas, Josep; Hassanieh, Haitham (USENIX Association, 2021)
    Conference report
    Open Access
    Wireless Network-on-Chip (NoC) has emerged as a promising solution to scale chip multi-core processors to hundreds and thousands of cores. The broadcast nature of a wireless network allows it to significantly reduce the ...
  • Radiation pattern prediction for metasurfaces: A neural network-based approach 

    Taghvaee, Hamidreza; Jain, Akshay; Timoneda i Comas, Xavier; Liaskos, Christos; Abadal Cavallé, Sergi; Alarcón Cot, Eduardo José; Cabellos Aparicio, Alberto (Multidisciplinary Digital Publishing Institute (MDPI), 2021-04-14)
    Article
    Open Access
    As the current standardization for the 5G networks nears completion, work towards understanding the potential technologies for the 6G wireless networks is already underway. One of these potential technologies for the 6G ...
  • Survey on terahertz nanocommunication and networking: A top-down perspective 

    Lemic, Filip; Abadal Cavallé, Sergi; Tavernier, Wouter; Stroobant, Pieter; Colle, Didier; Alarcón Cot, Eduardo José; Marquez-Barja, Johann; Famaey, Jeroen (2021-06)
    Article
    Open Access
    Recent developments in nanotechnology herald nanometer-sized devices expected to bring light to a number of groundbreaking applications. Communication with and among nanodevices will be needed for unlocking the full potential ...
  • WiDir: A Wireless-Enabled Directory cache coherence protocol 

    Franques, Antonio; Kokolis, Apostolos; Abadal Cavallé, Sergi; Fernando, Vimuth; Misailovic, Sasa; Torrellas, Josep (Institute of Electrical and Electronics Engineers (IEEE), 2021)
    Conference report
    Open Access
    As the core count in shared-memory manycores keeps increasing, it is becoming increasingly harder to design cache-coherence protocols that deliver high performance without an inordinate increase in complexity and cost. In ...
  • Preventing route leaks using a decentralized approach: an experimental evaluation 

    Ferriol Galmés, Miquel; Coll Aumatell, Roger; Cabellos Aparicio, Alberto; Ren, Shoushou; Wei, Xinpeng; Liu, Bingyang (Institute of Electrical and Electronics Engineers (IEEE), 2020)
    Conference report
    Open Access
    In the inter-domain routing infrastructure, a route leak is defined as a violation of the routing policy agreed between two Autonomous Systems (AS). Route leaks have resulted in large-scale outages on the Internet, taking ...
  • Hardware leverages for energy reduction in large-scale distributed systems 

    Careglio, Davide; Da Costa, Georges; Ricciardi, Sergio (Wiley, 2015-03-01)
    Part of book or chapter of book
    Restricted access - publisher's policy
    This chapter provides the summary and references on existing and future leverages to adapt the underlying hardware infrastructures of large-scale distributed computing systems in order to decrease their energy consumption. ...
  • Chapter 10- A novel cloud-based IoT architecture for smart building automation 

    Sembroiz Ausejo, David; Ricciardi, Sergio; Careglio, Davide (Elsevier, 2018)
    Part of book or chapter of book
    Open Access
    The Internet of Things (IoT) is meant to be the future of the current Internet. It is commonly defined as a network of physical and virtual objects, devices, or things that are capable of collecting surrounding data and ...
  • Internet routing paths stability model and relation to forwarding paths 

    Papadimitriou, Dimitri; Careglio, Davide; Tarissan, Fabien; Demeester, Piet M.A. (Institute of Electrical and Electronics Engineers (IEEE), 2013)
    Conference report
    Open Access
    Analysis of real datasets to characterize the local stability properties of the Internet routing paths suggests that extending the route selection criteria to account for such property would not increase the routing path ...
  • Nonparametric statistical methods to analyze the internet connectivity reliability 

    Papadimitriou, Dimitri; Careglio, Davide (Institute of Electrical and Electronics Engineers (IEEE), 2015)
    Conference report
    Open Access
    Facing computational complexity when modeling network reliability by means of parametric models and corresponding statistical methods, in the present study, we apply nonparametric statistical methods, such as the Kaplan-Meier ...

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