Roberto Morro
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View article: Disaggregated and transparent multi-band optical continuum across access, horseshoe aggregation, and metro IPoWDM networks
Disaggregated and transparent multi-band optical continuum across access, horseshoe aggregation, and metro IPoWDM networks Open
The limitations of segmented and power-inefficient legacy optical networks underscore the need for a disaggregated, transparent multi-band optical continuum spanning access, aggregation, and metro domains. In this work, we demonstrate the …
View article: Dynamic Service Provisioning and Control Relying on Time-Varying Telemetry-Driven QoT Digital-Twin
Dynamic Service Provisioning and Control Relying on Time-Varying Telemetry-Driven QoT Digital-Twin Open
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View article: ML-Based Modeling of EDFA Pluggable Modules for OSNR Estimation
ML-Based Modeling of EDFA Pluggable Modules for OSNR Estimation Open
Erbium doped fiber amplifiers (EDFA) return an output dependent on the target gain, the channel-loading configuration, as well as the input channels' wavelengths and powers. Due to absence of accurate analytical models, in this article we …
View article: Modular control plane implementation for disaggregated optical transport networks with multi-band support
Modular control plane implementation for disaggregated optical transport networks with multi-band support Open
This demo paper presents the B5G-OPEN control plane modular architecture designed to enable dynamic control of multi-band disaggregated optical networks through open-source software and standard interfaces. Such control plane will be demon…
View article: First Demonstration of MANTRA IPoWDM Convergent SDN Architecture using SONiC White Box and 400ZR/ZR+ Pluggables
First Demonstration of MANTRA IPoWDM Convergent SDN Architecture using SONiC White Box and 400ZR/ZR+ Pluggables Open
In this work, the MANTRA (Metaverse ready Architectures for Open Transport) "Single"IP over Wavelength Division Multiplexing (IPoWDM) architecture is implemented and experimentally demonstrated in a network testbed employing three SDN Cont…
View article: Enabling hierarchical control of coherent pluggable transceivers in SONiC packet–optical nodes
Enabling hierarchical control of coherent pluggable transceivers in SONiC packet–optical nodes Open
Traditional metro networks are composed of packet switching nodes (i.e., routers) interconnected by optical transport links. In this scenario, the packet and optical domains are clearly separated, using dedicated controllers. Standalone mu…
View article: Control and Monitoring of Open Disaggregated Transport Networks
Control and Monitoring of Open Disaggregated Transport Networks Open
Use of disaggregated equipment in optical transport networks is emerging as an attractive solution to bring flexibility and break vendor lock-in dependencies. The disaggregation process requires standard protocols and interfaces between th…
View article: Hierarchical Control of SONiC-based Packet-Optical Nodes encompassing Coherent Pluggable Modules
Hierarchical Control of SONiC-based Packet-Optical Nodes encompassing Coherent Pluggable Modules Open
a hierarchical structure of SDN controllers is demonstrated to enable the configuration of hybrid packet-optical nodes. The proposed workflow leverages on extension of the ONOS controller and T-API interface to coordinate the configuration…
View article: NFV orchestration over disaggregated metro optical networks with end-to-end multi-layer slicing enabling crowdsourced live video streaming
NFV orchestration over disaggregated metro optical networks with end-to-end multi-layer slicing enabling crowdsourced live video streaming Open
Network infrastructure must support emerging applications, fulfill 5G requirements, and respond to the sudden increase of societal need for remote communications. Remarkably, crowdsourced live video streaming (CLVS) challenges operators’ i…
View article: Coordinating Pluggable Transceiver Control in SONiC-based Disaggregated Packet-Optical Networks
Coordinating Pluggable Transceiver Control in SONiC-based Disaggregated Packet-Optical Networks Open
Effective control of pluggable transceivers in SONiC-based packet-optical nodes is demonstrated. A workflow for multi-layer recovery upon soft failure detection is validated, showing no traffic disruption and fast node-driven coordination …
View article: Field Trial of Multi-Layer Slicing Over Disaggregated Optical Networks Enabling End-to-End Crowdsourced Video Streaming
Field Trial of Multi-Layer Slicing Over Disaggregated Optical Networks Enabling End-to-End Crowdsourced Video Streaming Open
We present a field trial of NFV Orchestration over multi-layer packet and disaggregated optical network testbed to demonstrate crowdsourced video streaming use case. We show the average service creation time is under 5 minutes, which meets…
View article: Virtualization of disaggregated optical networks with open data models in support of network slicing
Virtualization of disaggregated optical networks with open data models in support of network slicing Open
Network slicing has been a major selling point of 5G networks, where a slice is roughly defined as a self-contained logical network on top of a shared infrastructure tailored for a specific service or vertical industry, composed of heterog…
View article: D3.2 First validation of the METRO-HAUL node architecture and optical solutions
D3.2 First validation of the METRO-HAUL node architecture and optical solutions Open
D3.2 reports the first validation of the METRO-HAUL node architecture and the interconnection, transmission and switching optical solutions developed in T3.1-T3.3 in different disaggregated scenarios. The deliverable also includes an early…
View article: Enabling Network Slicing Across a Disaggregated Optical Transport Network
Enabling Network Slicing Across a Disaggregated Optical Transport Network Open
We propose and implement a network virtualization architecture for open optical (partially) disaggregated networks, based on a device hypervisor and OpenConfig and OpenROADM data models, in support of 5G network slicing over interconnected…
View article: ONOS-controlled Disaggregated Optical Networks
ONOS-controlled Disaggregated Optical Networks Open
State-of-art, potentials and limitations of the ONOS controller applied to disaggregated optical networks are reported. Focus is on the on-going ODTN project. Results of experimental demonstrations are reported to prove the feasibility of …
View article: ONOS-controlled Disaggregated Optical Networks
ONOS-controlled Disaggregated Optical Networks Open
State-of-art, potentials and limitations of the ONOS controller applied to disaggregated optical networks are reported. Focus is on the on-going ODTN project. Results of experimental demonstrations are reported to prove the feasibility of …
View article: ODTN: Open Disaggregated Transport Network. Discovery and control of a disaggregated optical network through open source software and open APIs.
ODTN: Open Disaggregated Transport Network. Discovery and control of a disaggregated optical network through open source software and open APIs. Open
ONOS discovers and manages a topology made of Transponders and a dedicated OLS, using standard protocols (NETCONF/RESTCONF) and models (OpenConfig/TAPI). The demo is a joint collaboration, towards production deployment, between 3 operators…
View article: Automated End to End Carrier Ethernet Provisioning Over a Disaggregated WDM Metro Network with a Hierarchical SDN Control and Monitoring Platform
Automated End to End Carrier Ethernet Provisioning Over a Disaggregated WDM Metro Network with a Hierarchical SDN Control and Monitoring Platform Open
This demo shows how a hierarchical control plane of ONOS SDN controllers orchestrates the dynamic provisioning of end-to-end Carrier Ethernet circuits on a composite network, programming the whole data path from the CPE to the core optical…
View article: A control plane architecture for multi-domain elastic optical networks: the view of the IDEALIST project
A control plane architecture for multi-domain elastic optical networks: the view of the IDEALIST project Open
<p>A key objective of the IDEALIST project included the design and implementation of a GMPLS and PCE-based control plane for multi-vendor and multi-domain flexi-grid EON, leveraging the project advances in optical switching and trans…
View article: Experimental Demonstration of Multivendor and Multidomain EON With Data and Control Interoperability Over a Pan-European Test Bed
Experimental Demonstration of Multivendor and Multidomain EON With Data and Control Interoperability Over a Pan-European Test Bed Open
The operation of multidomain and multivendor EONs can be achieved by interoperable sliceable bandwidth variable transponders (S-BVTs), a GMPLS/BGP-LS-based control plane, and a planning tool. The control plane is extended to include the co…