The strategic viability of Caribbean digital infrastructure depends more on continuous hardware modernization than on the physical replacement of aging undersea assets. Liberty Networks, a subsidiary of Liberty Latin America, is positioning the region's subsea foundation as a durable asset that requires upgrading rather than wholesale decommissioning. Carmine Sorrentino, VP & Chief Commercial Officer at Liberty Networks, argues that the industry's focus on the 25-year lifespan of cables often confuses financial amortization schedules with technical capability. As enterprises demand higher capacity and greater resilience, the company suggests that the real challenge lies in protecting existing routes and integrating new, diverse paths like the MANTA system to ensure long-term connectivity stability.
Modernizing Existing Subsea Assets via Hardware Upgrades
Liberty Networks is challenging the prevailing industry assumption that submarine cables reach a technical end-of-life at the 25-year mark. According to Carmine Sorrentino, the optical fiber resting on the seabed is highly durable and capable of operating for decades. The perceived "aging" of a system is often a reflection of the transmission equipment at the cable landing stations rather than the fiber itself. By continually upgrading this terminal equipment, operators can enhance capacity, performance, and efficiency without laying new cable. A primary example cited is the modernization of MAYA-1.2, where an existing system was re-equipped to meet evolving technical requirements.
The company clarifies that the widely cited 25-year lifespan is a financial convention used by consortium members to manage return on investment, as noted by the International Telecommunication Union (ITU) and the International Cable Protection Committee (ICPC). Even when a system is commercially superseded, it remains vital for providing route diversity and contingency connectivity. This redundancy is particularly critical for small island developing states that rely on stable digital access. Furthermore, the Caribbean subregion currently maintains a dense ecosystem of submarine cables and terrestrial networks where only approximately 20% of the built capacity is currently in use, providing significant headroom for future growth.
Managing Complexity in Caribbean Infrastructure Resilience
Building digital resilience in the Caribbean requires addressing environmental and logistical hurdles that extend far beyond the seabed. Liberty Networks emphasizes that true connectivity depends on the entire chain, including landing stations, terrestrial transport, power supplies, and internet exchange points. The company is focusing on adding new routes, such as the MANTA high-capacity panregional system, specifically when these projects provide genuine route diversity rather than simply duplicating existing infrastructure. This strategic approach aims to mitigate the risks posed by the region's unique geographical and environmental challenges.
Maintenance in this region represents a significant operational hurdle. A cable installed today may require upkeep for over 50 years in an environment characterized by high costs and high risks. The company points to scattered landing points across various islands, long distances required for repair vessels to reach sites, and frequent exposure to hurricanes and seismic activity as primary drivers of complexity. Consequently, Liberty Networks suggests that the region requires operators with a permanent local presence and established repair agreements. This expertise is necessary to manage the high cost of interventions and ensure that the subsea foundation remains a reliable backbone for the region's digital development.
Key Takeaways
- Liberty Networks asserts that the 25-year cable lifespan is a financial amortization standard rather than a technical limit of the optical fiber.
- Only about 20% of the existing submarine cable capacity in the Caribbean subregion is currently utilized.
- The company is prioritizing route diversity through new initiatives like the MANTA system to enhance regional connectivity resilience.
TechInsyte's Take
In our view, Liberty Networks is attempting to shift the capital expenditure conversation from "rip-and-replace" to "maintain-and-modernize." By decoupling the physical durability of optical fiber from the financial lifecycle of the investment, the company is making a strategic case for the longevity of its existing asset base. This approach is economically pragmatic, especially given that only 20% of regional capacity is currently in use. However, the success of this strategy hinges entirely on the ability to manage the extreme logistical costs of Caribbean maintenance. If the company can successfully leverage its local presence to mitigate the risks of seismic activity and hurricanes, it can extract significantly more value from its current infrastructure. For enterprise buyers, this signals a move toward more stable, diversified routing rather than a constant cycle of new, unproven cable deployments.
Questions & Answers
How does Liberty Networks distinguish between financial and technical cable lifespans?
The company notes that while consortium members often use 25-year amortization schedules for ROI calculations, the physical optical fiber is highly durable and can operate for decades. Technical performance is maintained by upgrading the transmission equipment at the cable ends rather than replacing the undersea fiber itself.
What role does route diversity play in the company's infrastructure strategy?
Liberty Networks is adding new routes, such as the MANTA system, specifically to provide real diversity. This prevents the duplication of existing infrastructure and ensures that the network can maintain connectivity through redundancy, which is vital for regional resilience against outages.
What are the primary environmental risks to subsea connectivity in the Caribbean?
The region faces significant maintenance challenges due to exposure to hurricanes and seismic activity. Additionally, the geographical layout—characterized by scattered landing points and long distances for repair vessels—increases the complexity and cost of maintaining subsea systems.
Why is the current capacity utilization relevant to regional digital growth?
With only approximately 20% of the built capacity currently in use in the Caribbean subregion, there is substantial existing infrastructure available to meet projected demand. This existing volume also helps reduce costs for users by making the maintenance of essential infrastructure more economically viable.
Source: LIBERTY NETWORKS
