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    • Global state, local decisions: Decentralized NFV for ISPs via enhanced SDN 

      Rodríguez Natal, Alberto; Ermagan, Vina; Noy, Ariel; Sahai, Ajay; Kaempfer, Gideon; Barkai, Sharon; Maino, Fabio; Cabellos Aparicio, Alberto (2017-04-14)
      Article
      Accés obert
      The network functions virtualization paradigm is rapidly gaining interest among Internet service providers. However, the transition to this paradigm on ISP networks comes with a unique set of challenges: legacy equipment ...

    • Graph neural networks for communication networks: context, use cases and opportunities 

      Suárez-Varela Maciá, José Rafael; Almasan Puscas, Felician Paul; Ferriol Galmés, Miquel; Rusek, Krzysztof; Geyer, Fabien; Cheng, Xiangle; Shi, Xiang; Xiao, Shihan; Scarselli, Franco; Cabellos Aparicio, Alberto; Barlet Ros, Pere (2023-05)
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      Graph neural networks (GNN) have shown outstanding applications in fields where data is essentially represented as graphs (e.g., chemistry, biology, recommendation systems). In this vein, communication networks comprise ...

    • Graphene-based nano-patch antenna for terahertz radiation 

      Llatser Martí, Ignacio; Kremers, Christian; Cabellos Aparicio, Alberto; Jornet Montaña, Josep Miquel; Alarcón Cot, Eduardo José; Chigrin, Dmitry N. (Elsevier, 2012-10)
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      The scattering of terahertz radiation on a graphene-based nano-patch antenna is numerically analyzed. The extinction cross section of the nano-antenna supported by silicon and silicon dioxide substrates of different thickness ...

    • Graphene-based terahertz antennas for area-constrained applications 

      Abadal Cavallé, Sergi; Hosseininejad, Seyed Ehsan; Cabellos Aparicio, Alberto; Alarcón Cot, Eduardo José (Institute of Electrical and Electronics Engineers (IEEE), 2017)
      Text en actes de congrés
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      Graphene is enabling a plethora of applications in a wide range of fields due to its unique electrical, mechanical, and optical properties. In the realm of wireless communications, graphene shows great promise for the ...

    • Graphene-enabled wireless communication for massive multicore architectures 

      Abadal Cavallé, Sergi; Alarcón Cot, Eduardo José; Cabellos Aparicio, Alberto; Lemme, Max; Nemirovsky, Mario (2013-11-11)
      Article
      Accés restringit per política de l'editorial
      Current trends in microprocessor architecture design are leading towards a dramatic increase of core-level parallelization, wherein a given number of independent processors or cores are interconnected. Since the main ...

    • Graphene-enabled wireless networks-on-chip 

      Llatser Martí, Ignacio; Abadal Cavallé, Sergi; Mestres Sugrañes, Albert; Cabellos Aparicio, Alberto; Alarcón Cot, Eduardo José (Institute of Electrical and Electronics Engineers (IEEE), 2013)
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      Graphene-enabled Wireless Communications (GWC) advocate for the use of graphene-based plasmonic antennas, or graphennas, which take advantage of the plasmonic properties of graphene to radiate electromagnetic waves in the ...

    • IGNNITION: A framework for fast prototyping of Graph Neural Networks 

      Pujol Perich, David; Suárez-Varela Maciá, José Rafael; Ferriol Galmés, Miquel; Xiao, Shihan; Wu, Bo; Cabellos Aparicio, Alberto; Barlet Ros, Pere (2021)
      Text en actes de congrés
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      Recent years have seen the vast potential of Graph Neural Networks (GNN) in many fields where data is structured as graphs (e.g., chemistry, logistics). However, implementing a GNN prototype is still a cumbersome task that ...

    • IGNNITION: Bridging the gap between graph neural networks and networking systems 

      Pujol Perich, David; Suárez-Varela Maciá, José Rafael; Ferriol Galmés, Miquel; Xiao, Shihan; Wu, Bo; Cabellos Aparicio, Alberto; Barlet Ros, Pere (2021-11)
      Article
      Accés obert
      Recent years have seen the vast potential of graph neural networks (GNN) in many fields where data is structured as graphs (e.g., chemistry, recommender systems). In particular, GNNs are becoming increasingly popular in ...

    • IGNNITION: fast prototyping of graph neural networks for communication networks 

      Pujol Perich, David; Suárez-Varela Maciá, José Rafael; Ferriol Galmés, Miquel; Wu, Bo; Xiao, Shihan; Cheng, Xiangle; Cabellos Aparicio, Alberto; Barlet Ros, Pere (Association for Computing Machinery (ACM), 2021)
      Comunicació de congrés
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      Graph Neural Networks (GNN) have recently exploded in the Machine Learning area as a novel technique for modeling graph-structured data. This makes them especially suitable for applications in the networking field, as ...

    • Immersive interconnected virtual and augmented reality: a 5G and IoT perspective 

      Torres Vega, Maria; Liaskos, Christos; Abadal Cavallé, Sergi; Papapetrou, Evangelos; Jain, Akshay; Mouhouche, Belkacem; Kalem, Gokhan; Ergüt, Salih; Mach, Marian; Sabol, Tomas; Cabellos Aparicio, Alberto; Grimm, Christoph; De Turck, Filip; Famaey, Jeroen (2020-01-01)
      Article
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      Despite remarkable advances, current augmented and virtual reality (AR/VR) applications are a largely individual and local experience. Interconnected AR/VR, where participants can virtually interact across vast distances, ...

    • Implementing a BGP-free ISP core with LISP 

      Coras, Florin-Tudorel; Saucez, Damien; Lorand, Jakab; Cabellos Aparicio, Alberto; Domingo Pascual, Jordi (Institute of Electrical and Electronics Engineers (IEEE), 2012)
      Text en actes de congrés
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      The sustained growth of the global routing table is exerting an economical strain on ISPs by requiring untimely router upgrades. Notably, it has been speculated that the growth rate of router FIBs is surpassing that of its ...

    • Intercell wireless communication in software-defined metasurfaces 

      Tasolamprou, Anna; Mirmoosa, Mohammad Sajjad; Tsilipakos, Odysseas; Pitilakis, Alexandros; Liu, Fu; Abadal Cavallé, Sergi; Cabellos Aparicio, Alberto; Alarcón Cot, Eduardo José; Liaskos, Christos; Kantartzis, Nikolaos V.; Tretyakov, Sergei; Kafesaki, Maria; Economou, Eleftherios; Soukoulis, Costas (Institute of Electrical and Electronics Engineers (IEEE), 2018)
      Text en actes de congrés
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      Tunable metasurfaces are ultra-thin, artificial electromagnetic components that provide engineered and externally adjustable functionalities. The programmable metasurface, the HyperSurFace, concept consists in integrating ...

    • IPchain: securing IP prefix allocation and delegation with blockchain 

      Paillissé Vilanova, Jordi; Ferriol Galmés, Miquel; Garcia Ribera, Eric; Lafif Martínez, Hamid; Piris Yamuza, Carlos; López Brescó, Albert; Cabellos Aparicio, Alberto (Institute of Electrical and Electronics Engineers (IEEE), 2018)
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      We present IPchain, a blockchain to store the allocations and delegations of IP addresses, with the aim of easing the deployment of secure interdomain routing systems. Interdomain routing security is of vital importance ...

    • Is machine learning ready for traffic engineering optimization? 

      Bernárdez Gil, Guillermo; Suárez-Varela Maciá, José Rafael; López Brescó, Albert; Wu, Bo; Xiao, Shihan; Cheng, Xiangle; Barlet Ros, Pere; Cabellos Aparicio, Alberto (Institute of Electrical and Electronics Engineers (IEEE), 2021)
      Text en actes de congrés
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      Traffic Engineering (TE) is a basic building block of the Internet. In this paper, we analyze whether modern Machine Learning (ML) methods are ready to be used for TE optimization. We address this open question through a ...

    • Knowledge-defined networking 

      Mestres Sugrañes, Albert; Rodríguez Natal, Alberto; Carner Marsal, Josep; Barlet Ros, Pere; Alarcón Cot, Eduardo José; Sole, Marc; Muntés Mulero, Victor; Meyer, David; Barkai, Sharon; Hibbett, Mike J.; Estrada, Giovani; Coras, Florin-Tudorel; Ermagan, Vina; Latapie, Hugo; Cassar, Chris; Evans, John; Walrand, Jean; Cabellos Aparicio, Alberto (2017-07-01)
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      Accés obert
      The research community has considered in the past the application of Artificial Intelligence (AI) techniques to control and operate networks. A notable example is the Knowledge Plane proposed by D.Clark et al. However, ...

    • Large-scale measurement experiments of P2P-TV systems insights on fairness and locality 

      Silverston, Thomas; Jakab, Lorand; Cabellos Aparicio, Alberto; Fourmaux, Olivier; Salamatian, Kavé; Kenjiro, Cho (2011-08)
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      Accés restringit per política de l'editorial
      P2P-TV is an emerging alternative to classical television broadcast systems. Leveraging possibilities offered by the Internet, several companies offer P2P-TV services to their customers. The overwhelming majority of these ...

    • Lcast: software-defined inter-domain multicast 

      Coras, Florin-Tudorel; Domingo Pascual, Jordi; Maino, Fabio; Farinacci, Dino; Cabellos Aparicio, Alberto (2014-02-11)
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      Accés restringit per política de l'editorial
      Traditionally, efficient inter-domain data delivery may be implemented either as a network or as an application layer multicast service. However, while the former has seen little uptake due to prohibitive deployment costs ...

    • LISP-MN: mobile networking through LISP 

      Rodríguez Natal, Alberto; Lorand, Jakab; Portoles Comeras, Marc; Ermagan, Vina; Natarajan, Preethi; Maino, Fabio; Meyer, David; Cabellos Aparicio, Alberto (2013-05)
      Article
      Accés restringit per política de l'editorial
      ThecurrentInternetarchitecturewasnotdesignedtoeasilyaccommodatemobil- ity because IP addresses are used both to identify and locate hosts. The Locator/Identifier Separation Protocol (LISP) decouples them by considering ...

    • LISP: a southbound SDN protocol? 

      Rodríguez Natal, Alberto; Portoles Comeras, Marc; Ermagan, Vina; Lewis, Darrel; Farinacci, Dino; Maino, Fabio; Cabellos Aparicio, Alberto (2015-07-01)
      Article
      Accés obert
      The Locator/ID Separation Protocol (LISP) splits current IP addresses overlapping semantics of identity and location into two separate namespaces. Since its inception the protocol has gained considerable attention from ...

    • MAC-oriented programmable terahertz PHY via graphene-based Yagi-Uda antennas 

      Hosseininejad, Seyed Ehsan; Abadal Cavallé, Sergi; Neshat, Mohammad; Faraji-Dana, Reza; Lemme, Max; Suessmeier, Christoph; Bolívar, Peter Haring; Alarcón Cot, Eduardo José; Cabellos Aparicio, Alberto (Institute of Electrical and Electronics Engineers (IEEE), 2018)
      Text en actes de congrés
      Accés obert
      Graphene is enabling a plethora of applications in a wide range of fields due to its unique electrical, mechanical, and optical properties. In the realm of wireless communications, graphene shows great promise for the ...