Enterprise definition

IRU

A long-term right to use fiber, route segments, or lit capacity without buying the entire physical asset.

Discuss this with Quad State Internet Explore all definitions

What it means

IRU stands for indefeasible right of use. In practical terms, it is a long-term commercial structure that gives a customer dedicated use of fiber, a route segment, or capacity for an agreed term.

Where it fits

  • Organizations that need long-term route control
  • Customer-funded builds where the customer wants durable rights back
  • Dark fiber pairs or route segments
  • Lit capacity where the customer wants a long-term position

What we'll talk through with you

  • What term length makes the project make sense?
  • Is the customer funding construction, monthly service, or both?
  • Does the IRU cover fiber strands, duct, route segments, or lit capacity?
  • Who handles maintenance, relocation, and restoration?
  • What happens at renewal or end of term?
Important context An IRU is not the same as buying a public Internet service. It is a commercial structure around use of infrastructure or capacity.

How it shows up in a real project

An enterprise helps fund a lateral to reach a national interconnection point. Quad State Internet builds the route and grants a long-term use right back to the customer.

Learn the goal

We start by translating the business need into endpoints, capacity, term, resiliency, and support expectations.

Map the meet points

We identify carrier meet points, IX ports, cloud on-ramps, colocation footprints, or private handoffs that matter.

Choose the model

The answer may be DIA, IP Transit, Type II access, dark fiber, wavelength, IRU, managed transport, or a blend.

Build the path

Quad State Internet can build, coordinate, light, monitor, document, and support the route after turn-up.

Related things to learn

Dark fiber Unused fiber strands or fiber pairs reserved for your own equipment, route, and capacity plan. Wavelengths High-capacity optical channels, often 10G, 100G, or 400G, delivered over a fiber path. Private Backbone A private network spine that connects your sites, carriers, cloud paths, and interconnection points. Carrier Handoff / NNI The physical and logical place where Quad State Internet connects with another network or carrier.
Start a route review Back to learning center