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Padus Lab: Bolstering the Energy Efficiency of the Networks of the Future

Male and female IT engineers checking servers in server room with help of tablet

“The Padus Lab aims to provide all Orange Group countries with a technical environment that is optimized for the networks of the future.”


À Lannion, aux côtés de partenaires industriels et académiques, Orange expérimente de multiples innovations dans son Padus Lab. Ce bâtiment optimisé et modulaire doit servir de modèle pour le déploiement des futurs réseaux d’Orange à travers le Orange is testing out a series of innovations in its Padus Lab in Lannion, France, alongside partners from industry and academia. This optimized and modular building should serve as an example for the deployment of future Orange networks across the globe.monde.

As network virtualization is rolled out, buildings that have traditionally housed telecoms equipment will also host the servers needed to run these new infrastructures. In particular, these new facilities will need to address the challenge of energy efficiency, at a time when Orange is increasingly committed to reducing its carbon footprint. The Padus Lab aims to provide all Orange Group countries with a technical environment that is optimized for the networks of the future. This modular building is capable of meeting each country’s specific needs, while taking advantage of the outside weather conditions to mitigate the building’s environmental impact.

An Innovation Epicenter

What happens inside the Padus Lab? “Our goal is to combine different technologies to analyze their relevance,” explains project leader Dominique Bodéré. “One of the first challenges is cooling the equipment, especially the servers. In addition to free cooling, which uses fresh air from outside, we are testing immersion, for example, which involves submerging servers in an oil bath rather than using fans, and even liquid cooling, which targets the components that heat up most, such as the processor. We are also exploring 400-V DC power solutions paired with a photovoltaic device alongside new energy storage solutions. We want to explore the most innovative technologies. The fruits of this work will support deployment in all Group countries.”

Close Monitoring of the Technical/IT Environment and Open Systems

In order to reap the benefits from this series of tests, the Padus Lab is kitted out with sensors, such as thermal and energy probes. The team collects data from the servers remotely, such as temperature and energy consumption. Establishing APIs (application programming interfaces) is key, as it enables the team to gather all this data on its in-house software. It is impossible to comply with the proprietary constraints still governing many consumer data management systems. We want to be able to monitor an array of multi-vendor equipment centrally. Eventually, an artificial intelligence solution will optimize consumption. In the meantime, building modeling should serve as a basis for simulating all possible environmental conditions and limiting the number of real-world tests in different countries.

Co-Innovation as a Core Principle

“We share the Padus Lab with several industry stakeholders, including our initial partner, Vertiv, and solution providers like Submer, Dell, AVELTEC and EnerSys. The academic side of things has not been overlooked — we are jointly supporting two research papers in the fields of thermal optimization and energy. These partnerships foster collaboration among teams of experts in the same fields, benefiting all parties. Manufacturers can test their equipment in real-world conditions, and we, as experts and integrators, are able to draft technical specifications upstream that best suit our needs.” Innovation and forward thinking are the keys to Orange’s success in deploying better and more energy-efficient solutions in the Group countries.

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