Fiber internet is broadband delivered over fiber-optic cable — hair-thin strands of glass that carry data as pulses of light instead of electrical signals over copper. Because light travels with almost no signal loss, fiber delivers the fastest, most consistent home internet available today, with matching upload and download speeds.
Why glass beats copper
Traditional cable TV lines and phone lines move data as electricity through copper, which loses strength over distance and picks up interference from everything around it. Light in glass barely degrades: a single fiber strand can carry data for miles without amplification, and its capacity is effectively future-proof — the same strand that delivers 1 gigabit today can deliver 10 or 100 gigabits later just by changing the electronics on each end.
That's why the phrase fiber-to-the-home (FTTH) matters. Some providers run fiber only to a neighborhood cabinet and finish the journey on old copper; true FTTH brings the glass all the way to your wall.
What the parts are called
The backbone is the long-haul fiber crossing states and oceans. The middle mile links cities and towns to that backbone. The last mile is the local network to your street, ending at an ONT (optical network terminal) on or in your home — the box that converts light back into the Ethernet and Wi-Fi your devices use.
Between the street and your house runs a drop — the final short cable, buried or aerial, installed the day service is connected.
Who builds it
Internet providers rarely dig their own trenches. Specialized construction contractors — like Nevantin Services — place the conduit, pull or blow the cable, splice the glass, and test every strand with light meters before a single customer connects. If your street is being dug up by a fiber crew, that's the last mile arriving.