The middle mile bridges the high-capacity core network of a telecommunications operator to the local distribution plant or edge nodes. It carries aggregated traffic from multiple local loops or cell sites back to major peering points or data centers. Operators invest heavily in this segment with high-strand-count fiber to prevent bottlenecks before traffic reaches the backbone.
We're trenching a new fiber route to upgrade the middle mile between the regional data center and the local central office.
Do not mix it up with
- Last mile: The last mile connects the local network to the end user, whereas the middle mile connects the local network to the core backbone.
Related terms
Last mile
The final segment of a telecommunications network that physically reaches the customer premises.
Back-to-back connection
A direct physical link between two identical or similar devices without an intervening network switch.
Local loop
The physical wiring connecting a customer premises to the nearest telephone exchange.