A5036239784- Advanced Optical Network Technologies
- Advanced Photonic Communication Systems
- Software-Defined Networks and 5G
- Optical Network Technologies
- Peer-to-Peer Network Technologies
- Network Traffic and Congestion Control
- Quantum-Dot Cellular Automata
- Telecommunications and Broadcasting Technologies
- Semiconductor Lasers and Optical Devices
- Advanced Computing and Algorithms
- Quantum Information and Cryptography
- Advanced MIMO Systems Optimization
- Spectroscopy Techniques in Biomedical and Chemical Research
- Interconnection Networks and Systems
- IoT and Edge/Fog Computing
- Advancements in Semiconductor Devices and Circuit Design
ADVA Optical Networking (Germany)
2021-2023
Universidad Politécnica de Cartagena
2014-2019
5G envisages a "hyper-connected society" where an enormous number of devices are inter-connected anywhere and at any time.Cloud-enabled radio access networks (RAN) intelligence is placed in conjunction with the heads proximity end users promising solution to fulfil expectations sub-millisecond latency, huge traffic volumes higher data rates.Network Functions Virtualization (NFV) Software Defined Networking (SDN) developments enable advanced features such as configurability, automation,...
5G technologies promise to bring new network and service capacities are expected introduce significant architectural deployment transformations. The Cloud-Radio Access Networks (C-RAN) architecture, enabled by the combination of Software Defined Networking (SDN), Network Function Virtualization (NFV) Mobile Edge Computing (MEC) technologies, play a key role in development 5G. In this context, paper addresses problems Virtual Functions (VNF) provisioning (VNF-placement chain allocation)...
The H2020 METRO-HAUL European project has architected a latency-aware, cost-effective, agile, and programmable optical metro network. This includes the design of semidisaggregated nodes with compute storage capabilities, which interface effectively both 5G access multi-Tbit/s elastic networks in core. In this paper, we report automated deployment services, particular, public safety video surveillance use case employing low-latency object detection tracking using on-camera on-the-edge...
Fifth generation mobile communication (5G) networks promise lower latency, higher traffic volume and data rates compared to what we see nowadays. Among all technologies, Network Function Virtualization (NFV) Software Defined Networking (SDN) techniques over the cloud-enabled radio systems play an important role enable resource pooling, scalability, layer interworking spectral efficiency. Despite potential benefits, there is always additional challenge on assuring quality of service user...
The software-defined networking (SDN) paradigm brings unprecedented agility and flexibility to network operators. usage of centralized software-based controllers simplifies operation management enables innovation in the control plane through programmability. Besides, a controller may be operated via third-party applications using so-called northbound application programming interfaces (APIs). In this paper, we report our preliminary work on interaction between interface open-source...
In this paper, we present our efforts for integrating network control and planning, connecting the popular open-source ONOS platform with Net2Plan, an open source planner. The integration allows to use combined resource allocation framework, as on-line optimization tool, calculating re-routing paths new requests arrive. It also lets Net2Plan obtain up-to-date topology from ONOS. can then algorithms perform planning operations such investigating hypothetical questions about consequences of...
Novel end-to-end services are expected to emerge with the advent of 5G. In order satisfy QoS/QoE requirements (e.g., lower latency, higher traffic volume and dynamicity, or availability) those services, major changes on network architecture required. Technologies such as SDN NFV, in conjunction edge-computing paradigm facilitate this transition, enabling presence cloud-enabled systems mobile radio access networks. paper, we present a novel approach handle Service Chaining handover,...
We show that IP-over-WDM multilayer networks can be designed to guarantee a large majority of the traffic is restored at subsecond timescale, using IP Fast Rerouting techniques. The rationale enforcing OSPF/ECMP balancing on SRG-disjoint lightpaths.
When designing a multilayer IP-over-WDM optical network, an important requirement is finding the most cost-effective design that tolerant of set selected failures arbitrarily defined, so 100% IP traffic survives for them. A second concern need to guarantee maximum end-to-end latency (e.g. 50 ms in continental US). Unfortunately, fault tolerance and at layer are performance merits extremely challenging enforce networks, since they depend on both routing over lightpaths lightpath fibers, how...
Optical spectrum as a service (OSaaS) spanning over multiple transparent optical network domains can significantly reduce the investment and operational costs of end-to-end service. Based on black-link approach, these services are empowered by reconfigurable transceivers emerging disaggregation trend in transport networks. This work investigates accuracy aspects channel probing method used generalized signal-to-noise ratio (GSNR)-based OSaaS characterization terrestrial brownfield systems....
A distributed telemetry system integrating optical measurement and event data collection is demonstrated. Measurements of spectra from Nokia Bell Labs, transponders ADVA SDN controller events CTTC will be showcased.
The massive adoption of real-time Internet services (e.g., online gaming or video streaming) is threatening the way in which operators and service providers design operate their networks. New requirements, such as maximum latency, are becoming de facto indicators to measure network quality, complementing classical requisites fault tolerance increase availability. However, finding fault-tolerant designs that also limit end-to-end latency IP flows challenging multilayer IP-over-WDM networks,...
A genetic algorithm is proposed to map virtual network functions in computing resources over 5G networks with an optical backhauling system. The outperforms other proposals terms of blocking ratio and active CPU cores utilization.
Multilayer networking is an enabling technology to support the exponential growth of traffic and its dynamicity, with sustainable costs. However, automation collaboration between layers are still on early stage. One reasons absence pure multilayer planning management solutions considering network as a whole entity, where cooperate each other, instead sum individual providing isolated services. In this paper, we revisit our open-source Net2Plan tool present new features. The novel...
Leveraging on reference implementations of PCEP and BGP-LS protocols, we have developed an active stateful multilayer PCE extension for the open-source Net2Plan planning tool to orchestrate service provisioning restoration in IP/MPLS-over-WDM networks.
We report the automated deployment of 5G services across a latency-aware, semi-disaggregated, and virtualized metro network. summarize key findings in detailed analysis end-to-end latency, service setup time, soft-failure detection time.
The dawn of 5G is pushing operators to deploy high-capacity, agile networks capable adapting time-varying traffic patterns, especially into metro sections. ROADMs are key enablers for agility in the optical layer, however benefits this do not always compensate increased costs. As such, filterless emerging as a cost-effective and reliable solution compared active photonics, thanks winning combination coherent transponders passive splitters/couplers. However, spectrum allocation management...
We propose a novel framework that enables data ecosystem and regulated telemetry streaming in open disaggregated optical networks. review its requirements, present architecture, discuss two demonstrated use-cases our testbeds.
We demonstrate a machine learning-based optical network monitoring system which can integrate fiber monitoring, predictive maintenance of hardware, and security information management in single solution.
We demonstrate a practical key management scheme for quantum distribution network. Multi-vendor QKD systems are interoperated via standard interface and relay is dynamically routed by SDN.
A planning strategy overcoming the drawback of large transition bandwidths photonic integrated WaveBand-ROADMs is proposed. Results show that, on metro horseshoes, WB-ROADMs represent a viable cost-efficient alternative to traditional LCoS-based ROADMs.
We report the automated deployment of 5G services across a latency-aware, semidisaggregated, and virtualized metro network. summarize key findings in detailed analysis end-to-end latency, service setup time, soft-failure detection time.