Vodafone Greece Domestic: A Short Submarine Link Between Porto Rafti and Syros
The Vodafone Greece Domestic cable is a submarine telecommunications cable connecting Porto Rafti and Syros in Greece. At just 92 kilometers in length, it is a relatively short system designed to serve domestic connectivity needs within the Greek islands. Owned by Vodafone, the cable has been listed as in service since 2008 according to GeoCables records. Information about its design capacity, fiber pairs, supplier, and technology has not been disclosed in publicly available sources, limiting detailed insights into its technical specifications.
What stands out about this cable is its role in connecting Syros, an island of strategic importance for Greece's domestic telecommunications network. Syros is home to key data centers and serves as a hub for other submarine cables in the region. The Vodafone Greece Domestic cable likely plays a supporting role in ensuring reliable connectivity between Syros and the mainland, but its specific contribution to the broader network remains unclear due to the limited availability of technical details.
Quick facts
| Name | Vodafone Greece Domestic |
| Length | 92 km |
| Ready for Service (RFS) | 2008 (GeoCables database) |
| Owner | Vodafone |
| Status | In service |
| Design Capacity | Not disclosed |
| Fiber Pairs | Not disclosed |
| Supplier | Not disclosed |
| Technology | Not disclosed |
| Landing Points | Porto Rafti (Greece), Syros (Greece) |
🗺 Show Vodafone Greece Domestic on the interactive cable map
Route
The Vodafone Greece Domestic cable connects Porto Rafti, a coastal town near Athens, to the island of Syros in the Cyclades archipelago. Porto Rafti serves as the mainland landing point, while Syros is a key hub for telecommunications in the Aegean Sea. The route spans approximately 92 kilometers across the Aegean, a relatively short distance compared to many other submarine cables.
Syros holds strategic importance due to its location and infrastructure, including data centers and connections to other submarine cables. The cable's route supports domestic connectivity and potentially serves as a redundancy link for other systems in the region.
Why it was built and what it carries
The Vodafone Greece Domestic cable was likely built to enhance domestic telecommunications within Greece, particularly between the mainland and Syros. Syros is a critical node in the country's network infrastructure, hosting data centers and acting as a junction for other cables. By connecting Porto Rafti to Syros, Vodafone ensures reliable communication and data transfer for businesses, residents, and potentially other operators relying on Syros's infrastructure.
While the cable's design capacity has not been disclosed, its short length and domestic focus suggest it is tailored for regional connectivity rather than high-capacity international traffic. It may carry internet, voice, and data services, supporting both consumer and enterprise needs.
History: what can be established
GeoCables records indicate that the Vodafone Greece Domestic cable was ready for service in 2008. No conflicting dates have surfaced in industry sources, so this year can be considered reliable. The cable has been listed as in service since then, but details about its construction, supplier, and initial deployment have not been disclosed publicly.
Given its relatively short length and domestic focus, the cable's construction would have been less complex than that of longer international systems. Standard industry practices, such as seabed surveys, cable laying, and burial, would have been employed to ensure its durability and performance.
Capacity and technology
Publicly available information does not disclose the design capacity, fiber pair count, or technology used in the Vodafone Greece Domestic cable. Without operator documentation, it is impossible to state these parameters definitively. The cable's short length and domestic focus suggest it may use conventional submarine cable technology optimized for regional traffic rather than cutting-edge high-capacity systems.
Latency: the physics
The theoretical one-way light propagation latency for the cable is approximately 0.5 milliseconds, and the round-trip time (RTT) floor for the wet segment is around 0.9 milliseconds. These values are calculated based on the speed of light in fiber (200,000 to 204,000 km/s) over the cable's 92-kilometer length.
Real-world latency measurements, however, are significantly higher due to additional factors such as land tails, terminal equipment, and routing. For example, live measurements from remote probes show RTTs of 92.6 ms from Odessa to Porto Rafti, 83.2 ms from Balancer to Porto Rafti, and 280.2 ms from Sydney to Porto Rafti. These figures reflect the full internet path rather than the cable itself.
Redundancy: what happens if it breaks
If the Vodafone Greece Domestic cable experiences a fault, redundancy would depend on alternative systems in the region. Syros is connected to other submarine cables, which could provide backup connectivity. Repairing a fault would involve standard industry practices, including deploying cable ships to locate and fix the issue. Given the cable's short length, repairs might be relatively straightforward compared to longer systems.
Bottom line
- The Vodafone Greece Domestic cable connects Porto Rafti and Syros over a 92-kilometer route.
- It has been listed as in service since 2008, with no conflicting dates reported.
- Design capacity, fiber pairs, supplier, and technology details are not publicly disclosed.
- Theoretical latency is low due to the cable's short length, but real-world RTTs are higher.
- Syros's strategic importance suggests the cable plays a supporting role in regional connectivity.