Browsing by Author "Pagès Cruz, Albert"
Now showing items 1-20 of 53
-
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 ... -
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 ... -
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. -
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 ... -
Autonomous resource assignment for optimal utilization in optical data centre infrastructures
(Optica Publishing Group, 2021)
Conference report
Open AccessWe present an architectural solution based on data analytics for self-organizing optical data centers. Thanks to a reinforcement learning-based cognitive layer, an adaptive and autonomous resource assignment to deployed ... -
Control and orchestration solutions for end-to-end time sensitive services in future 6G networks
(Institute of Electrical and Electronics Engineers (IEEE), 2023)
Conference lecture
Restricted access - publisher's policyThe provisioning of time sensitive end-to-end services in future 6G networks imposes multiple technical challenges, spanning from the data plane to the control and orchestration planes. In particular, the automation of the ... -
Data plane technology-agnostic control and orchestration architecture for optical disaggregated data centers
(Institute of Electrical and Electronics Engineers (IEEE), 2022)
Conference report
Restricted access - publisher's policyWe propose a novel SDN control and orchestration architecture to provide composed IaaS over optical disaggregated data centers. We experimentally validate intent-based mechanisms that make the architecture independent from ... -
Demonstration of the benefits of SDN technology for all-optical data centre virtualisation
(Institute of Electrical and Electronics Engineers (IEEE), 2017)
Conference report
Restricted access - publisher's policyAn integrated software stack made up of extended OpenStack, OpenDaylight and custom OpenFlow agents enabling Virtual Data Centre deployment on an all-optical architecture employing hollow-core fibre, TDM fast switches and ... -
Development of a Network Management System for the EU DICONET Project
(Universitat Politècnica de Catalunya, 2010)
Master thesis (pre-Bologna period)
Open AccessThe objective of the present final project has been the development of a graphical interface for the management plane of the DICONET network. The management plane is the responsible for having a whole network view and ... -
Dynamic service reallocation in NFV-based transport WDM optical networks
(Institute of Electrical and Electronics Engineers (IEEE), 2018)
Conference report
Open AccessFuture network services are expected to deliver additional functionalities besides connectivity. The Network Function Virtualization (NFV) paradigm provides the foundation for such concept. We propose a reallocation-based ... -
Dynamic topology discovery in SDN-enabled transparent optical networks
(Institute of Electrical and Electronics Engineers (IEEE), 2017)
Conference report
Restricted access - publisher's policyOptical technologies play nowadays a crucial role in different network scenarios (e.g., data centres, metro and access networks), mainly due to their support for higher bandwidth and scalability in comparison to electronic-based ... -
Enabling multi-segment 5G service provisioning and maintenance through network slicing
(2020-01-03)
Article
Open AccessThe current deployment of 5G networks in a way to support the highly demanding service types defined for 5G, has brought the need for using new techniques to accommodate legacy networks to such requirements. Network Slicing ... -
Enabling multi-tenancy in hybrid optical packet/circuit switched data center networks
(2014)
Conference report
Restricted access - publisher's policyIn a flattened optical data center network employing hybrid technologies, multi-tenancy is enabled by a new virtual data center embedding method that is equipped with network-aware VM placement exploiting the advanced but ... -
Enabling service provisioning and quality maintenance in sliceable optical networks
(International Society for Photo-Optical Instrumentation Engineers (SPIE), 2021)
Conference report
Restricted access - publisher's policyFuture 5G and beyond services rely on the network slicing concept, in which underlying network elements are split and/or aggregated to compose a synthetic network infrastructure (the slice) to satisfy the requirements of ... -
End-to-end 5G service deployment and orchestration in optical networks with QoE guarantees
(Institute of Electrical and Electronics Engineers (IEEE), 2018)
Conference report
Open AccessThe upcoming 5G deployments will impose stringent requirements. Optical networks control and resource orchestration is set to potentially turn into software-defined approaches in order to address such requirements. As a ... -
Examen Reavaluació
(Universitat Politècnica de Catalunya, 2023-06-29)
Exam
Restricted access to the UPC academic community -
Experimental assessment of SDN-enabled reconfigurable OPSquare data center networks with QoS guarantees
(Optical Society of American (OSA), 2019)
Conference report
Restricted access - publisher's policyAn SDN-controlled DCN enabling QoS-driven network-slice reconfiguration and packet priority updating is experimentally assessed. Network-slice can be reconfigured within 150 ms to decrease packet loss. The measured ToR-to-ToR ... -
Experimental assessment of SDN-enabled sliceable OPSquare data center network with deterministic QoS
(2019)
Conference report
Restricted access - publisher's policyAn SDN-enabled sliceable DCN with deterministic QoS guarantees is experimentally assessed. Flow priorities are dynamically assigned to each network-slice to prevent statistical latency and packet-loss due to packet ... -
Experimental assessment of VDC provisioning in SDN/OpenStack-based DC infrastructures with optical DCN
(Institute of Electrical and Electronics Engineers (IEEE), 2016)
Conference report
Restricted access - publisher's policyVDC provisioning requires the coordinated configuration of several types of resources. We present a DC architecture for the orchestration and provisioning of VDC instances on top of DCs with optical DCN and experimentally ...
