Browsing by Author "Perelló Muntan, Jordi"
Now showing items 1-20 of 91
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A feedback-based hybrid OBS/OCS architecture with fast-over-slow capability
(2011)
Conference lecture
Open AccessDynamic bandwidth allocation in response to the bandwidth requirements of new emerging applications is an essential demand for future optical networks. Hybrid switching architectures combining the benefits of different ... -
A GMPLS/OBS network architecture enabling QoS-aware end-to-end burst transport
(2010-07-01)
Research report
Open AccessThis paper introduces a Generalized Multi-Protocol Label Switching (GMPLS)-enabled Optical Burst Switched (OBS) network architecture featuring end-to-end QoS-aware burst transport services. This is achieved by setting up ... -
A hybrid load-balancing and energy-aware RWA algorithm for telecommunication networks
(2015-06-25)
Article
Open AccessIn 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 novel SDN enabled hybrid optical packet/circuit switched data centre network: the LIGHTNESS approach
(2014)
Conference report
Restricted access - publisher's policyCurrent over-provisioned and multi-tier data centre networks (DCN) deploy rigid control and management platforms, which are not able to accommodate the ever-growing workload driven by the increasing demand of ... -
A quantitative evaluation of reordering in OBS networks and its impact on TCP performance
(IEEE, 2008)
Conference report
Open AccessThis paper presents a layered framework to measure the reordering introduced by contention resolution strategies in OBS networks. In particular, characterization is based on the reordering metrics proposed by the IETF IPPM ... -
ALLIANCE Project: Architecting a knowledge-defined 5G-enabled network infrastructure
(Institute of Electrical and Electronics Engineers (IEEE), 2018)
Conference report
Open AccessLeaving the current 4th generation of mobile communications behind, 5G will represent a disruptive paradigm shift integrating access networks, ultra-high capacity access/metro/core optical networks and intra-datacentre ... -
An analytical model for GMPLS control plane resilience quantification
(2009-12)
Article
Open AccessThis paper concentrates on the resilience of the Generalized Multi-Protocol Label Switching (GMPLS) enabled control plane. To this end, the problem of control plane resilience in GMPLS-controlled networks is firstly stated ... -
An experimental GMPLS-controlled network test-bed enabling sub-wavelength connection provisioning
(IEEE Press. Institute of Electrical and Electronics Engineers, 2009-06-28)
Conference report
Open AccessThe efficient accommodation of sub-wavelength client flows on optical channels is a current challenge for resources use optimization in GMPLS controlled optical networks. While optical channels capacity usually exceeds 10 ... -
Analysis of performance degradation in sleep-mode enabled core optical networks [invited]
(Institute of Electrical and Electronics Engineers (IEEE), 2015-03-01)
Article
Open AccessEnergy efficiency is an important target for the management of wavelength-division-multiplexing-based core optical networks. A possible power management strategy for energy-efficient optical networks consists in putting ... -
Analysis of traffic engineering information dissemination strategies in PCE-based multi-domain optical networks
(IEEE Computer Society Publications, 2010)
Conference report
Open AccessThis paper presents and compares different TE information dissemination strategies between Path Computation Elements (PCEs) in multi-domain optical networks. In such network context, recent studies have found that ... -
Applying cognitive dynamic learning strategies for margins reduction in operational optical networks
(2020-09-01)
Article
Open AccessToday's optical transport networks are complex already and the support of the new arising services will further increase such complexity. Traditional deterministic network procedures will need to be revisited, especially ... -
Assessment of Flex-Grid/MCF optical networks with ROADM limited core switching capability
(Institute of Electrical and Electronics Engineers (IEEE), 2017)
Conference report
Open AccessThe majority of the research studies on Flex-Grid over multi-core fiber (Flex-Grid/MCF) networks are built on the assumption of fully non-blocking ROADMs (FNB-ROADMs), able to switch any portion of the spectrum from any ... -
Assessment of Flex-grid/SDM backbone networks under inter-core XT-limited transmission reach
(Institute of Electrical and Electronics Engineers (IEEE), 2015)
Conference report
Open AccessIn the present paper, we estimate the transmission reach of the optical signals through several state-of-the-art multi-core fibers reported in the literature considering ASE noise and inter-core crosstalk. Using these ... -
Benefits of programmable topological routing policies in RINA-enabled large-scale datacenters
(Institute of Electrical and Electronics Engineers (IEEE), 2016)
Conference report
Restricted access - publisher's policyWith 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 ... -
Brown-field gradual migration planning toward spectrally-spatially flexible optical networks
(Institute of Electrical and Electronics Engineers (IEEE), 2020)
Conference report
Restricted access - publisher's policyIn this paper, we motivate a brown-field migrationplanning as a cost-efficient procedure to scale the capacity ofshort-term realizable elastic optical networks (EONs), graduallyconverting them into ... -
Burst contention avoidance schemes in hybrid GMPLS-enabled OBS/OCS optical networks
(IEEE Computer Society Publications, 2009-02)
Conference report
Open AccessHybrid optical network architectures, combining benefits of optical circuit and burst switching technologies, become a natural evolution to improve overall network performance while reducing related costs. This paper ... -
Capacity quantification of joint-switching-enabled flex- grid/SDM optical backbone networks
(Optical Society of American (OSA), 2017)
Conference report
Open AccessWe quantify the network capacity scaling from 7 to 30 spatial channels. While multifiber provides a 5x capacity increase, MCF limits it to 4x and 2x in national and continental backbone networks, respectively. -
Cognitive science applied to reduce network operation margins
(2017-06-08)
Article
Open AccessIn an increasingly competitive market environment with smaller product offer differentiation, a continuous maximization of efficiency, while guarantying the quality of the provided services, remains a main objective for ... -
Correlation between traffic granularity and defragmentation periodicity in elastic optical networks
(Wiley-Blackwell, 2015-07-01)
Article
Open AccessWhile elastic optical network technologies have emerged as promising solutions for future ultra-high-speed optical transmission, the unavoidable spectral fragmentation problem that appears in such networks significantly ... -
Cost-effective spatial super-channel allocation in Flex-Grid/MCF optical core networks
(2018-01-01)
Article
Open AccessSpace Division Multiplexing (SDM) is a key technology to cope with the bandwidth limitations of single mode fibers. Multi-Core Fibers (MCFs) are considered as a promising candidate technology to implement SDM, due to their ...
