A Model-based Approach to Multi-domain Monitoring Data Aggregation

Authors

DOI:

https://doi.org/10.13052/jicts2245-800X.9210

Keywords:

data, source, consumer, framework, aggregation, closed-loop, automation, metadata

Abstract

The essential propellant for any closed-loop management mechanism is data related to the managed entity. While this is a general evidence, it becomes even more true when dealing with advanced closed-loop systems like the ones supported by Artificial Intelligence (AI), as they require a trustworthy, up-to-date and steady flow of state data to be applicable. Modern network infrastructures provide a vast amount of disparate data sources, especially in the multi-domain scenarios considered by the ETSI Industry Specification Group (ISG) Zero Touch Network and Service Management (ZSM) framework, and proper mechanisms for data aggregation, pre-processing and normalization are required to make possible AI-enabled closed-loop management. So far, solutions proposed for these data aggregation tasks have been specific to concrete data sources and consumers, following ad-hoc approaches unsuitable to address the vast heterogeneity of data sources and potential data consumers. This paper presents a model-based approach to a data aggregator framework, relying on standardized data models and telemetry protocols, and integrated with an open-source network orchestration stack to support their incorporation within network service lifecycles.

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Author Biographies

Antonio Pastor, Telefónica I+D – Madrid, Spain and Universidad Politécnica de Madrid – Madrid, Spain

Antonio Pastor received the MSc. degree in industrial engineering from the Carlos III University of Madrid (UC3M), Spain, in 1999. Since then, he has been with Telefonica I+D (Research & Development), where he works on the engineering of different worldwide Telefónica networks. From 2006 to 2011 he has been working as an expert in network security for Telefonica Spain. Since 2012, as part of Telefonica Global CTIO, he leads innovation activities in network security based on network virtualization, SDN and artificial intelligence. He holds security certifications from ISACA and GIAC.

Diego R. López, Telefónica I+D – Madrid, Spain

Diego R. López joined Telefonica I+

D in 2011 as a Senior Technology Expert and is currently in charge of the Technology Exploration activities within the GCTIO Unit. Before joining Telefónica he spent some years in the academic sector, dedicated to research on network services, and was appointed member of the High-Level Expert Group on Scientific Data Infrastructures by the European Commission.

Diego is currently focused on applied research in network infrastructures, with a special emphasis on virtualization, data-driven management, new architectures, and security. Diego chairs the ETSI ISG on Permissioned Distributed Ledgers and the Network Operator Council of the ETSI ISG on Network Function Virtualization.

Jose Ordonez-Lucena, Telefónica I+D – Madrid, Spain

Jose Ordonez-Lucena received his B.Sc degree and M.Sc. degree in Telecommunications Engineering from the University of Granada in 2015 and 2017, respectively. He joined Telefónica I+D in 2018 as a Core & Platforms Technology Analyst, within the Global CTIO Unit. He is currently involved in technology exploration and innovative activities for 5G/B5G systems through different European research projects, with a focus on mobile network architectures and end-to-end network slicing solutions, considering their applicability for public-private network integration scenarios. He also takes part in standardization activities, acting as Telefónica delegate in 3GPP SA5, ETSI ISG ZSM and GSMA 5GJA. From 2017, he is also pursuing a PhD in Telecommunications Engineering at the University of Granada.

Sonia Fernández, Telefónica I+D – Madrid, Spain

Sonia Fernández received her B.Sc degree and M.Sc. degree in Telecommunications Engineering from the University of Cantabria in 2017 and from the Polytechnic University of Madrid in 2019, respectively. She currently works as Telecom Analyst in everis, an NTT Data Company. She joined Telefónica I+D in 2018 as a Transport & IP networks Analyst, within the Global CTIO Unit. She was involved in technology exploration and innovative activities for 5G systems through different European research projects, with a focus SDN networks and data-driven management, developing software tools to support network telemetry and autonomous management.

Jesús Folgueira, Telefónica I+D – Madrid, Spain

Jesús Folgueira joined to Network area in Telefonica I+

D (Research & Development) in 1997. From 2017, he is the Head of Transport and IP Networks within Telefonica Global CTO unit, in charge of Network Planning and Technology.

He received his MSc degree in Telecommunications Engineering from Technical University of Madrid-UPM in 1994 and MSc in Telecommunication Economics in 2015 (UNED).

He is focused on Optical, Metro & IP Networks architecture and technology, network control plane (SDN) and Open Networking. His expertise includes Broadband Access, R&D Management, and network deployment.

He is an IEEE member and accredited professional in Telecommunications in his country.

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Published

2021-06-08

Issue

Section

Special Issue on Zero-touch Network and Service Automation (ZSM)