Now showing items 21-40 of 94

    • AnyTraffic labeled routing 

      Papadimitriou, Dimitri; Pedroso, Pedro; Careglio, Davide (IEEE Computer Society Publications, 2010-05-23)
      Conference report
      Open Access
      This paper investigates routing algorithms that compute paths along which combined unicast and multicast traffic can be forwarded altogether, i.e., over the same path. For this purpose, the concept of AnyTraffic group is ...
    • AnyTraffic labeled routing for static and dynamic traffic 

      Papadimitriou, Dimitri; Pedroso, Pedro; Careglio, Davide (2009-09-25)
      External research report
      Open Access
      This paper investigates routing algorithms that compute paths along which combined unicast and multicast traffic can be forwarded altogether, i.e., over the same path. For this purpose, the concept of AnyTraffic group is ...
    • AnyTraffic routing algorithm for label-based forwarding 

      Pedroso, Pedro; Pedrola Escribà, Òscar; Papadimitriou, Dimitri; Klinkowski, Miroslaw; Careglio, Davide (IEEE Press and Wiley, 2009-11-30)
      Conference report
      Open Access
      The high capacity provided by packet-switched networks is supporting the proliferation of bandwidth intensive multimedia applications which require multicasting capability. As a consequence on today’s networks, unicast ...
    • AnyTraffic routing algorithm for label-based forwarding 

      Pedroso, Pedro; Pedrola Escribà, Òscar; Papadimitriou, Dimitri; Careglio, Davide; Klinkowski, Miroslaw (2009-06-11)
      External research report
      Open Access
      The high capacity provided by packet-switched networks is supporting the proliferation of bandwidth intensive multimedia applications which require multicasting capability. As a consequence a mixed traffic scenario where ...
    • Benefits of programmable topological routing policies in RINA-enabled large-scale datacenters 

      Leon Gaixas, Sergio; Perelló Muntan, Jordi; Grasa, Eduard; Lopez, Diego; Aranda Gutiérrez, Pedro Andrés; Careglio, Davide (Institute of Electrical and Electronics Engineers (IEEE), 2016)
      Conference report
      Restricted access - publisher's policy
      With the proliferation of cloud computing and the expected requirements of future Internet of Things (IoT) and 5G network scenarios, more efficient and scalable Data Centers (DCs) will be required, offering very large pools ...
    • BER improvement using optical gain clamped amplifier for burst transmission and critical cases studies 

      Zannin, Marcelo; Ennser, Karin; Taccheo, Stefano; Careglio, Davide; Solé Pareta, Josep; Aracil Rico, Javier (IEEE Press and Wiley, 2009-03-22)
      Conference report
      Open Access
      This paper demonstrates significant BER improvement in burst traffic transmission using optical-gain clamped amplifiers. Critical chaotic cases are identified for peculiar burst sequences and their impact in transmission ...
    • CAPEX study for grid dependent multi-layer IP/MPLS-over-EON using relative BV-WSS costs 

      Pedrola Escribà, Òscar; Velasco Esteban, Luis Domingo; Fernández-Palacios, Juan Pedro; Castro Casales, Alberto; Careglio, Davide; Junyent Giralt, Gabriel (2012)
      Conference report
      Open Access
      The impact of the frequency grid on the CAPEX required to deploy a multi-layer IP/MPLS-over-EON is analyzed. Results showing significant savings at the electronic layer motivate the introduction of narrower grids with ...
    • Channel allocation in dense wavelength division multiplexing radio-over-fiber networks 

      Klinkowski, Miroslaw; Jaworski, Marek; Careglio, Davide (2010)
      Conference report
      Open Access
      In this paper we address the problem of the Radio-over-Fiber (RoF) network design. In particular, we focus on a DWDM RoF network for which we formulate a maximal service RoF channel allocation (MSCA) problem. Although MSCA ...
    • 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 ...
    • Cross-layer enabled translucent optical network with real-time impairment awareness 

      Pedrola Escribà, Òscar; Bathula, Balagangadhar G.; Wang, Michael; Ahsan, Atiyah K M; Careglio, Davide; Bergman, Keren (Institute of Electrical and Electronics Engineers (IEEE), 2012)
      Conference report
      Restricted access - publisher's policy
      The existing dimensioning strategy for translucent, sub-wavelength switching architectures relies on over-provisioning, and consequently, overuse of costly, power-consuming optical-electrical-optical (O/E/O) regenerators. ...
    • Development and experimentation towards a multicast-enabled Internet 

      Careglio, Davide; Papadimitriou, Dimitri; Agraz Bujan, Fernando; Sahhaf, S; Perelló Muntan, Jordi; Tavernier, W; Spadaro, Salvatore; Colle, Didier (Institute of Electrical and Electronics Engineers (IEEE), 2014)
      Conference report
      Restricted access - publisher's policy
      In this paper, we report our development experience and experimentation studies of two multicast routing schemes for the Internet, namely, PIM-SSM and GCMR. We detail their implementation over the Quagga open ...
    • Dynamic compact multicast routing on power-law graphs 

      Pedroso, Pedro; Papadimitriou, Dimitri; Careglio, Davide (IEEE, 2011)
      Conference report
      Restricted access - publisher's policy
      Compact routing schemes address the fundamental tradeoff between the memory space required to store the routing table entries and the length of the routing paths that these schemes produce. This paper introduces the first ...
    • 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 ...
    • Effective amplification of real WDM burst traffic using optical gain clamping 

      Zannin, Marcelo; Taccheo, Stefano; Ennser, Karin; Careglio, Davide; Solé Pareta, Josep (2008-05-04)
      Conference report
      Open Access
      Experimental studies of real optical burst traffic in WDM systems are performed with optical gain clamping for stabilizing the EDFA amplification. Impairments of power variation due to burst are shown to be negligible.
    • End-user traffic policing for QoS assurance in polyservice RINA networks 

      León Gaixas, Sergio; Perelló Muntan, Jordi; Careglio, Davide; Grasa, Eduard; Tarzan Lorente, Miquel (2019-03)
      Article
      Open Access
      Looking at the ever-increasing amount of heterogeneous distributed applications supported on current data transport networks, it seems evident that best-effort packet delivery falls short to supply their actual needs. ...
    • 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-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 ...