THE FIBER FACT
Not All “Fiber Networks” Are Fiber All the Way
When someone says they have a fiber network, it sounds straightforward.
Fiber is fiber…right?
Not necessarily.
One of the most common sources of confusion in broadband is that the word fiber can describe several different parts of a network. Fiber may form the high-capacity backbone connecting communities. It may provide middle-mile connectivity to a local provider. It may extend all the way to a home or business. Or fiber may stop somewhere along the route, with another technology handling the final connection to the customer.
Understanding the difference helps explain how broadband networks work and why every network described as “fiber” isn't necessarily fiber from beginning to end.
The Fiber Backbone
Think of the backbone as the interstate highway system of a communications network.
These high-capacity fiber routes move enormous amounts of data between major locations, network facilities, communities and internet interconnection points. A strong fiber backbone provides the capacity needed to move traffic efficiently across long distances.
But having fiber running through or near a community doesn't automatically mean every home or business is connected directly to that fiber.
There are still more pieces to the network.
The Middle Mile
The middle mile connects local networks and communities to the larger regional, national and global communications ecosystem.
If the backbone is the interstate system, middle-mile infrastructure can be thought of as the major highways that provide communities and local providers access to it.
This is where organizations like NM Fiber Network play an important role.
Middle-mile connectivity gives broadband providers, municipalities, anchor institutions and other organizations access to the high-capacity infrastructure they need to reach destinations beyond their local networks.
But the middle mile generally isn't the connection running directly into someone's living room.
That brings us to the last mile.
Fiber-to-the-Premises
With fiber-to-the-premises (FTTP) often called fiber-to-the-home when serving residential customers, the fiber connection extends all the way to the customer's location.
In other words, the fiber doesn't stop at a neighborhood cabinet, tower or another intermediate point. It reaches the premises itself.
This is what many people picture when they hear the phrase “fiber internet.”
But not every network using fiber operates this way.
When Fiber Isn't the Final Connection
Some networks use fiber for much of the journey and then transition to another technology for the final connection.
That last segment might use coaxial cable, copper, fixed wireless or another technology.
That doesn't mean fiber isn't an important part of the network. In fact, fiber may be doing much of the heavy lifting behind the scenes.
It simply means the connection isn't fiber all the way to the premises.
Imagine taking an interstate highway almost the entire way to your destination, then exiting onto a local road for the final few miles. The interstate was essential to the trip—but it didn't take you all the way to the front door.
Broadband networks can work much the same way.
Why Distinction Matters
The technology used at each stage of a network can influence capacity, scalability, performance and how the network can evolve as demand increases.
That's why it's important to look beyond the word fiber and ask a few more questions:
Where is the fiber? What part of the network does it serve? And how does the connection ultimately reach the customer?
A network can have a fiber backbone without being fiber-to-the-premises. A local provider can connect to fiber middle-mile infrastructure while using another technology to reach its customers. And a true FTTP network can use fiber throughout the journey to the end location.
Each describes something different.
At NM Fiber Network, our focus is building the middle-mile connections that help connect New Mexico's communities, providers and institutions to the broader world.
Because when you understand where fiber fits into the network, you begin to understand something even more important:
It's not just whether fiber is part of the network. It's where that fiber goes and what it makes possible.
The Fiber Fact
Understanding the infrastructure behind a connected New Mexico.
