Exploració per autor "Perelló Muntan, Jordi"
Ara es mostren els items 41-60 de 95
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Experimental evaluation of a full-meshed domain abstraction design model for reduced state information dissemination in multi-domain PCE-based WSONs
(2011)
Comunicació de congrés
Accés restringit per política de l'editorialA novel full-meshed domain abstraction model for scalable state information in PCEbased WSONs is presented. We experimentally evaluate the state information update reduction and the blocking improvement with regard to a ... -
Experimental evaluation of path restoration for a centralised impairment-aware GMPLS-controlled all-optical network
(IEEE Computer Society Publications, 2010)
Text en actes de congrés
Accés obertThis paper evaluates a centralised impairment-aware path restoration approach for GMPLScontrolled transparent optical networks. Experimental results on a 14-node network test-bed show successful QoT compliant path restoration ... -
Experimenting with real application-specific QoS guarantees in a large-scale RINA demonstrator
(Institute of Electrical and Electronics Engineers (IEEE), 2019)
Text en actes de congrés
Accés obertThis paper reports the definition, setup and obtained results of the Fed4FIRE + medium experiment ERASER, aimed to evaluate the actual Quality of Service (QoS) guarantees that the clean-slate Recursive InterNetwork ... -
Flex-Grid/SDM backbone network design with inter-core XT-limited transmission reach
(Institute of Electrical and Electronics Engineers (IEEE), 2016-08-01)
Article
Accés restringit per política de l'editorialSpatial division multiplexing (SDM) has been presented as a key solution to circumvent the nonlinear Shannon limit of standard single-core fibers. To implement SDM, multi-core fiber (MCF) technology becomes a top candidate ... -
GMPLS control plane network design with resilience guarantees
(2011-01-01)
Article
Accés restringit per política de l'editorialA one-to-one association between data and control channels has traditionally existed in transport networks. Being the control plane embedded in the data plane, the design of the former, as well as its resilience, has been ... -
Greenfield gradual migration planning toward spectrally-spatially flexible optical networks
(2019-10-01)
Article
Accés obertThis article identifies the unavoidably required upgrade of short-term realizable elastic optical networks (EONs) operating over single-mode fibers toward spectrally-spatially flexible optical networks (SS-FONs), exploiting ... -
Guaranteeing QoS requirements in long-haul RINA networks
(Institute of Electrical and Electronics Engineers (IEEE), 2017)
Text en actes de congrés
Accés obertIn the last years, networking scenarios have been evolving, hand-in-hand with new and varied applications with heterogeneous Quality of Service (QoS) requirements. These requirements must be efficiently and effectively ... -
Impact of transponders and regenerators wake-up time on sleep-mode enabled translucent optical networks
(2014)
Text en actes de congrés
Accés restringit per política de l'editorialSleep-mode enabled transponders and regenerators yield to substantial energy savings; however, their non-negligible wake-up time may degrade the network performance. We show that an appropriate dimensioning of the devices ... -
Inter-core crosstalk impact on migration planning from elastic optical networks to spectrally-spatially flexible optical networks
(Optical Society of American (OSA), 2019)
Text en actes de congrés
Accés obertWe study inter-core crosstalk (ICXT) impact on migration planning toward spectrally-spatially flexible optical networks considering 22-core multi-core fiber. Results reveal that 55-70% of links need to be upgraded when ... -
Joint content placement and lightpath routing and spectrum assignment in CDNs over elastic optical network scenarios
(2016-03-01)
Article
Accés obertIn this work, we address the problem of jointly deciding the placement of the contents delivered by a Content Distribution Network (CDN) among the available data centers, together with the allocation of the lightpaths ... -
Lightpath fragmentation for efficient spectrum utilization in dynamic elastic optical networks
(Institute of Electrical and Electronics Engineers (IEEE), 2012)
Text en actes de congrés
Accés obertThe spectrum-sliced elastic optical path network (SLICE) architecture has been presented as an efficient solution for flexible bandwidth allocation in optical networks. An homologous problem to the classical Routing and ... -
Link vs. opto-electronic device sleep mode approaches in survivable green optical networks
(Institute of Electrical and Electronics Engineers (IEEE), 2013)
Comunicació de congrés
Accés obertEnergy savings of link and OE device sleep mode approaches are compared in 1:1 protected optical networks, together with a hybrid solution combining both of them. The proposed hybrid solution can decrease network energy ... -
Migration planning from elastic optical networks to spectrally-spatially flexible optical networks
(Institute of Electrical and Electronics Engineers (IEEE), 2018)
Text en actes de congrés
Accés obertWe focus on a migration planning from elastic to spectrally-spatially flexible optical networks by upgrading regular with SDM-capable ROADMs. Our most promising strategy reveals that by migrating 30% of the regular ROADMs ... -
Multicast routing from a set of data centers in elastic optical networks
(2019-11)
Article
Accés obertThis paper introduces the Multi-Server Multicast (MSM) approach for Content Delivery Networks (CDNs) delivering services offered by a set of Data Centers (DCs). All DCs offer the same services. The network is an Elastic ... -
On Avoiding-Minimizing Burst Collisions in Optical Burst-Switched Networks without Wavelength Conversion
(IEEE, 2009-06-28)
Comunicació de congrés
Accés obertIn this paper, a new MAC protocol for OBS networks is introduced, described and evaluated. Into operation, DAOBS avoids burst collisions in the core of the network by controlling the way OBS nodes access the optical channel. ... -
On the benefits of probabilistic constellation shaping in Flex-Grid/MCF dynamic optical backbone networks
(Institute of Electrical and Electronics Engineers (IEEE), 2021)
Text en actes de congrés
Accés obertIn this paper, we propose a novel methodology for estimating the worst-case spectral efficiency (b/s/Hz) of end-to-end paths across a Multi-Core Fiber (MCF)-enabled Flex-Grid optical network, accounting for physical link ... -
On the benefits of resource disaggregation for virtual data centre provisioning in optical data centres
(2017-07-15)
Article
Accés obertVirtual Data Centre (VDC) allocation requires the provisioning of both computing and network resources. Their joint provisioning allows for an optimal utilization of the physical Data Centre (DC) infrastructure resources. ... -
On the benefits of RINA over programmable optical networks for dynamic and smart resource management
(2015)
Text en actes de congrés
Accés restringit per política de l'editorialIn this paper, we describe the basics of the Recursive InterNetwork Architecture (RINA) and its advantages as a packet transport technology over programmable optical networks. In particular, its seamless integration over ... -
On the experimentation of the novel GCMR multicast routing in a large-scale testbed
(Institute of Electrical and Electronics Engineers (IEEE), 2014)
Comunicació de congrés
Accés obertOriginally defined in the 90s, multicast is nowadays (re)gaining interest given the increasing popularity of multimedia streaming/content traffic and the explosion of cloud services. In fact, multicast yields bandwidth ... -
On the performance of dynamic source aggregation of sub-wavelength connections in EONs
(Institute of Electrical and Electronics Engineers (IEEE), 2014)
Text en actes de congrés
Accés restringit per política de l'editorialIn elastic optical networks, heterogeneous traffic demands are typically supported by a single type of bandwidth-variable transmitters, which is not always spectrum and cost efficient. In light of this, we recently proposed ...
