Browsing by Author "Spadaro, Salvatore"
Now showing items 1-20 of 177
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1.3 µm SDN-enabled optical packet switch architecture for high performance and programmable data center network
(Institute of Electrical and Electronics Engineers (IEEE), 2015)
Conference report
Restricted access - publisher's policyWe demonstrate a 1.3 µm port-count scalable SDN-enabled optical packet switch architecture for programmable data-center networks. Experimental assessments of a 40Gb/s 4×4 switch system with SDN-control show <10-5 packet-loss ... -
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 fully SDN enabled all-optical architecture for data centre virtualisation with time and space multiplexing
(Institute of Electrical and Electronics Engineers (IEEE), 2018-07-01)
Article
Open AccessVirtual Data Centre (VDC) solutions provide an environment that is able to quickly scale-up and where virtual machines and network resources can be quickly added on-demand through self-service procedures. VDC providers ... -
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 grid-enabled control plane architecture: the PHOSPHORUS approach
(Optical Society of America, 2008)
Conference report
Open AccessThis paper presents the architecture of the Phosphorus Grid-enabled GMPLS (G2MPLS) Network Control Plane that implements the concept of Grid Network Services provisioning through a set of seamlessly integrated procedures. -
A hierarchical AI-based control plane solution for multi-technology deterministic networks
(Association for Computing Machinery (ACM), 2023)
Conference report
Open AccessFollowing the Industry 4.0 vision of a full digitization of the industry, time-critical services and applications, allowing network infrastructures to deliver information with determinism and reliability, are becoming more ... -
A novel monitor placement algorithm for accurate performance monitoring in optical networks
(2011)
Conference report
Open AccessWe propose a novel monitor placement algorithm that reduces significantly the number of monitors required to accurately assess the QoT of all lightpaths established in an optical network, compared to other monitor placement ... -
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 ... -
A simulation study of combined routing and contention resolution algorithms in connection-oriented OPS network scenario
(IEEE Press and Wiley, 2004-10-12)
Conference report
Open AccessConnection-oriented optical packet-switched network integrates MPLS and OPS layers to exploit the best of electronic and optical technologies. In particular, routing components use enhanced routing algorithms to compute ... -
Actuation framework for 5G-enabled network slices with QoE/QoS guarantees
(2019)
Conference report
Restricted access - publisher's policyNetwork slicing is identified as the enabling technology for efficient service delivery in future 5G networks. Moreover, a key aspect in 5G network slicing relates to the delivery and maintenance of QoS/QoE guarantees for ... -
Adaptive and iterative QoT estimator retraining for launch power optimization
(Institute of Electrical and Electronics Engineers (IEEE), 2021)
Conference report
Open AccessWe dynamically optimize the transponders launch powers with iterative closed control loops. We close the loop after an adaptable number of algorithm’s intermediate calculations, to monitor and retrain the QoT estimator ... -
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 service blocking reduction strategies in capacity-limited disaggregated datacenters
(2020)
Conference report
Restricted access - publisher's policyDisaggregated DCs offer multiple benefits. However, transmission capacity limitations at blade level can severely degrade their performance. We analyze several strategies to enhance their service acceptance. -
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 ...
