Deployment & Operations Committee


Patrick Faraj​, Chair of the Deployment & Operations Committee of the FTTH Council Europe, takes stock of the latest evolutions in FTTH deployment technologies, and looks at the most pressing operational challenges the industry is facing nowadays. While reviewing the latest technology trends shaping the FTTH rollout scenario in Europe, Patrick provides a series of thought-provoking inputs useful to all actors in place. In this episode, our guest will answer to these questions and much more:

  1. Let’s start general: what are your views regarding the evolution of FTTH technology? 

  2. From your experience, what innovations or new technologies have been most effective in overcoming deployment challenges?  

  3. What is the profile of the Member companies joining the Deployment & Operations Committee?

  4. What are the key differences in deploying fibre networks in urban versus rural areas and how does your approach vary between these environments?

Read the full interview below to get the answers to these questions.

 

Let’s start general: what are your views regarding the evolution of FTTH technology?

Optical fibre connectivity is becoming the backbone of every high-bandwidth application, supporting everything from streaming high-definition video to online gaming and telemedicine. If we talk about FTTH specifically, it was initially seen as a nice to have, however, the need for FTTH became particularly evident in end-user applications that require consistent, high-speed connectivity. As we recently experienced, amongst other applications, remote work and online education demand reliable high speed and most importantly stable internet connections to support video conferencing and large data transfers.

Driven by the continuous evolution of end-user applications requiring more advanced high-bandwidth connectivity, FTTH technologies have also evolved to support and enable that. Advanced FTTH technologies like XG-PON, XGS-PON, and NG-PON2 helped improve network efficiency and enable network throughput of up to 40 GB/s, while coexisting with current PON standards, thus providing a future proof highly scalable solution for network expansions both in terms of bandwidth and number of users.

As we move forward, I believe the FTTH infrastructure will become a key enabler in achieving converged networks for example 5G integration, enabling deployments in a cost-effective way as described in one of the D&O committee’s whitepapers: “Optimizing FTTH networks to enable convergence”.

In the picture on the left, action from the "FTTH Technologies for the Balkans" panel session at the FTTH Congress 2024, in Dubrovnik.

From your experience, what innovations or new technologies have been most effective in overcoming deployment challenges?

I always like to address FTTH deployments by navigating across the network deployment lifecycle: Plan, Design, Build, Operate, and Maintain. Removing the challenges that come with manual processes and implementing process and workflow automation across those phases is key to optimizing and accelerating network deployments. To name one example, the use of Geographic Information Systems (GIS) for planning and managing deployments allows for more precise and efficient network designs. If you want more insights about this topic have a look at the D&O committee whitepaper published last year that specifically addresses this area: “The role of IT in accelerating FTTH Deployments and Operations”.

Moreover, continuous innovations in areas like deployment techniques and passive components connectivity continue to play a huge role in accelerating and simplifying FTTH deployments. What I particularly find impactful are those innovations that revolve around reducing the dependency on highly skilled labor, enabling failure-free and first-time right faster installation practices. Micro-trenching, direct buried compact cables/fiber bundles, and pre-connectorized hardened solutions are a few field-proven examples. Last but not least, innovative ideas around network sharing on different layers to create an Open Access business model would help reduce deployment overbuild and offer a strategic approach to optimize resources, reduce costs and environmental impacts, and accelerate network rollout.

 

What is the profile of the Member companies joining the Deployment & Operations Committee?

I want to describe the majority of the members of the FTTH Council Europe: I would say it typically comprises a diverse range of member companies, including telecommunications operators, service providers, network equipment/ passive components manufacturers, solution providers, etc. If we focus on the Deployment & Operations committee itself, the most active members are from the solution providers group who continuously thrive to address technological advancements and innovations to overcome common challenges in FTTH rollouts. I want to use this opportunity to encourage operators and service providers to use the Deployment & Operations platform to share their knowledge and experience and present their best practices in the deployment and operation of fiber networks.

In the picture on the left, action from the Deployment & Operations Committee workshop at the FTTH Conference 2024, in Berlin.

 

 

What are the key differences in deploying fibre networks in urban versus rural areas and how does your approach vary between these environments?

The FTTH Council Europe's mission and goal is to accelerate FTTH deployments and enable every European citizen to have access to high-speed broadband connectivity, basically full fiber to everyone, everywhere. In order to get to this goal, FTTH deployments needs to expand far beyond urban and suburban areas and efficiently reach rural and ultra rural areas.

Deploying fibre networks in urban areas typically differs compared to rural areas in terms of challenges to overcome, solutions utilized, and business case justification. In urban environments, the primary challenges consist of building a network in a dense infrastructure, obtaining permits, and minimizing disruptions to existing services. The higher population density in urban areas leads to a higher take rate, meaning more subscribers per km of fiber, which reduces the costs of deployment per home passed (HP) and home connected (HC).

In contrast, rural deployments face challenges such as longer distances between connections, lower population density, and difficult terrain which means that fiber deployment reaches far fewer subscribers per km, making it less economically viable.

In the picture on the right, Patrick Faraj is moderating the "FTTH Technologies for the Balkans" panel session at the FTTH Congress 2024, in Dubrovnik.

 

More about Patrick Faraj

Patrick Faraj is currently VIAVI’s Global Product Manager managing an end-to-end SW and HW Centralized OTDR Test Solution that is designed to optimize the qualification and certification of FTTx networks across all phases of the deployment lifecycle. Patrick is a proven subject matter expert in solutions/products development, value propositions creation, and deployment practices in global FTTx networks and markets, with more than 16 years extensive product management experience including 13 years of Global Product Management in FTTX passive solutions at Corning,  Prior to his industry engagement, Patrick worked for 5 years as a research and teaching assistant at the university of Kiel, Germany, at the Chair of Telecommunications with focus on fibre optic transmission research topics. Patrick holds a Bachelor of Science degree in Electronics and Telecommunications Engineering and a Master of Science in Telecommunications from Riga Technical University in Latvia.

 

 

Use of a ground water heat pump (GWHP) to cool FTTx street cabinets

Member company: Eurofiber
Country or geographical scope: Global
Period: 2015-
Segment of the value chain concerned: Internet service provider
Product/service category involved: Street Cabinets

Abstract:
ISP’s can achieve significant reductions in their energy usage, and thereby reduce their greenhouse gas emissions, by switching to GWHPs to cool their street cabinets, rather then using conventional air conditioning. In addition GWHPs require less maintenance reducing the amount of truck rolls needed for service.


Context

As a sector we are well aware that every party has a responsibility to reduce their carbon footprint. Digital services are often a way to reduce the need for travel or transport of physical goods. However digitization itself is not currently free of its own impact on the environment. Therefor as a sector we must act to reduce our own footprint as well. We cannot however do this alone and we believe that by sharing best practices we can help and inspire others to go beyond their current efforts, ultimately to the benefit of all society.
 

Solutions

Active equipment used by the broadband service can require cooling to ensure uninterrupted service. Traditionally this has been done by using conventional air conditioning. This is an effective method of cooling, however it requires addition power, and thus carbon emissions. An alternative that has been used by Eurofiber for its street cabinets is to cool them by using a ground water heat pump (GWHP) instead. What a GWHP does is to keep the air in the street cabinet stable by pumping up ground water from a well deep in the earth. The temperatures there are relatively stable at around 15 °Celsius year round. By pumping this water through a heat exchanger the GWHP can cool during the summer and provide heat during the winter, which also eliminates the need for a separate heater. A GWHP has a very low energy consumption and requires little maintenance, which reduces their footprint further by reducing the amount of truck rolls.
 


 

Results

Eurofiber has been able to use GWHP systems to cool some of their street cabinets. Given the need to dig fairly deep to reach ground water of the correct temperature this is not always feasible. Where it is possible it works very well though, energy consumption at peak is only 3% of what a conventional air conditioned street cabinet would use and maintenance costs are much lower, making it an ideal solution.
 

Conclusions

As enablers of digitization the broadband sector is already doing much to help other reduce their footprint. We must however as a sector do more and also look at our own footprint. An important step in this is the transition to full fiber networks. However even fiber networks use active equipment that requires cooling. The example of using ground water heat pumps is an example of how we can reduce our own carbon footprint by both reducing our energy usage and reducing the need for maintenance.

 

 

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