Browsing by Author "Ricciardi, Sergio"Més informació

Now showing items 1-20 of 22

    • A GRASP meta-heuristic for evaluating the latency and lifetime impact of critical nodes in large wireless sensor networks 

      Sembroiz Ausejo, David; Ojaghi Kahjogh, Behnam; Careglio, Davide; Ricciardi, Sergio (Multidisciplinary Digital Publishing Institute, 2019-11-01)
      Article
      Open Access
      Wireless Sensor Networks (WSN) have lately been gaining momentum thanks to the hardware improvements and standardization software efforts. Moreover, the appearance of Internet of Things (IoT) and its reliance on sensors ...

    • 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 multiobjective wavelength routing approach combining network and traffic engineering with energy awareness 

      Palmieri, Francesco; Ricciardi, Sergio; Fiore, Ugo; Castiglione, Aniello; Careglio, Davide (2017-12-01)
      Article
      Open Access
      In modern optical networks, infrastructure management is faced with the challenge of using expensive equipment and communication resources as efficiently as possible. This now includes keeping power consumption costs at a ...

    • An energy-aware engineered control plane for wavelength-routed networks 

      Ricciardi, Sergio; Wang, Jiayuan; Palmieri, Francesco; Careglio, Davide; Dittmann, Lars (Wiley-Blackwell, 2015-02)
      Article
      Open Access
      Despite the significant degree of technological maturity reached by large-scale optical transmission infrastructures, new critical issues are emerging as side effects associated to their energy consumption, environmental ...

    • 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 ...

    • Digital watermarking techniques and security issues in the information and communication society 

      Nin Guerrero, Jordi; Ricciardi, Sergio (CRC Press and IEEE Press, 2013)
      Conference report
      Open Access
      Digital watermarking is the process of embedding information into a noise-tolerant digital signal such as image or audio data. Such information is embedded in a way difficult to be removed in order to easily identify ...

    • Eco-sustainable routing in optical networks 

      Ricciardi, Sergio; Wang, Jiayuan; Palmieri, Francesco; Careglio, Davide; Manolova, Anna; Santos Boada, Germán (2013-12-01)
      Article
      Restricted access - publisher's policy
      It is quite easy to foresee that in the next years, the future generation ultra-high speed network infrastructures and equipments will be no longer constrained only by their pure transport capacity, but also by their ...

    • Energy aware paradigm for energy efficient ICT: a systemic approach 

      Ricciardi, Sergio; Careglio, Davide; Santos Boada, Germán; Solé Pareta, Josep (2010)
      Conference report
      Restricted access - publisher's policy
      In this work we describe the Energy Aware Paradigm we believe should be adopted for successfully designing and deploying energy efficient ICT (Information and Communication Technologies) based systems.

    • Energy efficiency of elastic frequency grids in multilayer IP/MPLS-over-flexgrid networks 

      Ricciardi, Sergio; Palmieri, Francesco; Castiglione, Aniello; Careglio, Davide (2015-10)
      Article
      Open Access
      Flexgrid Optical Networks provide higher spectrum efficiency and flexibility in comparison to traditional wavelength switched optical networks (WSON) due to the finer granularity in managing communication channels at the ...

    • Energy-aware routing optimization in dynamic GMPLS controlled optical networks 

      Wang, J; Ricciardi, Sergio; Fagertun, A.M.; Ruepp, Sarah; Careglio, Davide; Dittmann, L. (IEEE, 2012)
      Conference report
      Restricted access - publisher's policy
      In this paper, routing optimizations based on energy sources are proposed in dynamic GMPLS controlled optical networks. The influences of re-routing and load balancing factors on the algorithm are evaluated, with a focus ...

    • Energy-efficiency and security issues in the Cisco Nexus virtual distributed switching 

      Peterson, Benjamin; Ricciardi, Sergio; Nin Guerrero, Jordi (Institute of Electrical and Electronics Engineers (IEEE), 2012)
      Conference report
      Restricted access - publisher's policy
      Virtualization technologies have brought with them the promise of increased security and energy saving. Such was the case with the Cisco Nexus virtual switching environment. However, possible security issues of this ...

    • Energy-oriented denial of service attacks: an emerging menace for large cloud infrastructures 

      Palmieri, Francesco; Ricciardi, Sergio; Fiore, Ugo; Ficco, Massimo; Castiglione, Aniello (2015-05-01)
      Article
      Open Access
      This work analyzes a new and very subtle kind of security threat that can affect large-scale cloud-based IT service infrastructures, by exploiting the computational resources of their component data center to waste as much ...

    • Energy-oriented models for WDM networks 

      Ricciardi, Sergio; Careglio, Davide; Palmieri, Francesco; Fiore, Ugo; Santos Boada, Germán; Solé Pareta, Josep (2010)
      Conference report
      Open Access
      A realistic energy-oriented model is necessary to formally characterize the energy consumption and the consequent carbon footprint of actual and future high-capacity WDM networks. The energy model describes the energy ...

    • Evaluating energy savings in WoL-enabled networks of PCs 

      Ricciardi, Sergio; Santos Boada, Germán; Careglio, Davide; Palmieri, Francesco; Fiore, Ugo (Institute of Electrical and Electronics Engineers (IEEE), 2013)
      Conference report
      Restricted access - publisher's policy
      In this paper we present EnergySave, a smart energy-saving system that, by leveraging the consolidated WoL (Wake on LAN) technology, allows the remote wake-up of PCs from a centralized management server, providing easy and ...

    • Evaluating network-based DoS attacks under the energy consumption perspective: new security issues in the coming green ICT area 

      Palmieri, Francesco; Ricciardi, Sergio; Fiore, Ugo (2011)
      Conference report
      Restricted access - publisher's policy
      In the green Information and Communication Society (ICS), new form of Denial of Service (DoS) attacks may be put in place: exploiting the computational and storage resources of datacenters with the aim of consuming as much ...

    • GPON and EP2P: a techno-economic study 

      Ricciardi, Sergio; Santos Boada, Germán; Careglio, Davide; Domingo Pascual, Jordi (2012)
      Conference report
      Restricted access - publisher's policy
      New services like Video on demand/Internet Protocol Television, Voice over IP and high speed Internet access demand very high bandwidth to provide Triple Play services to the customers. The ADSL/ADLS2+ and the VDSL/VDSL2 ...

    • 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. ...

    • Modeling energy consumption in next-generation wireless access-over-WDM networks with hybrid power sources 

      Ricciardi, Sergio; Palmieri, Francesco; Fiore, Ugo; Castiglione, Aniello; Santos Boada, Germán (2013-09)
      Article
      Restricted access - publisher's policy
      Energy consumption is now one of the most important issues for network carriers, since the majority of the energy needed for their operation is consumed in the wireless access and optical transport networks. The continuous ...

    • OSPF-TE extensions for green routing in optical networks 

      Wang, Jiayuan; Ricciardi, Sergio; Manolova Vasileva, Anna; Ruepp, Sarah; Careglio, Davide; Dittmann, L. (2012)
      Conference report
      Restricted access - publisher's policy
      This paper proposes extensions to the OSPF-TE protocol to enable green routing in GMPLS-controlled optical networks. Simulation results show a remarkable reduction in CO 2 emissions by preferring network elements ...

    • Planning and operational energy optimization solutions for smart buildings 

      Sembroiz Ausejo, David; Careglio, Davide; Ricciardi, Sergio; Fiore, Ugo (2019-02)
      Article
      Open Access
      The incremented popularity of Internet of Things (IoT), thanks to improvements both in hardware and software of sensors over the last years, enables the possibility to monitor and gather any kind of data. Additionally, the ...