The Last Mile Problem: Why Most Network Outages Happen in the Local Loop
Carrier backbones are built with multiple paths and automatic rerouting. The local loop — the final link from the carrier’s nearest point of presence to your building — usually has none of that. When a construction crew cuts a cable in your street, the best backbone in the world will not help.
Common last-mile failure points
- A single fibre route shared by every provider entering the building
- One building entry point and one riser
- Equipment in a comms room without backup power
- Two “different” providers who actually lease the same last-mile fibre
Designing for diversity
- Ask for route maps. Two links are only diverse if they physically take different paths.
- Use separate building entries where the building allows it.
- Mix technologies: fibre plus licensed radio or 5G is diverse by nature.
- Terminate on different PoPs so a single carrier node failure does not take both links.
- Protect the power for CPE and routers with UPS.
Test it
Once a year, unplug the primary link during a maintenance window and confirm traffic fails over cleanly — and fails back.
Ubixe Infotech delivers diverse local loops from multiple access providers. See our Local Loop service or ask for a site feasibility.
