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Tier 1 carrier

A Tier 1 carrier is a telco or ISP that is at the top of the telecommunications peering and settlements food chain.

Although there is no formal definition, the following generally holds

  • Tier 1 operators typically have operations in more than one country
  • Tier 1 operators own and operate their own physical networks, and either own or part-own their international submarine cable links.
  • Tier 1 operators have revenue-neutral peering agreements with other Tier 1 operators, and generally do not pay for transit.

List of Tier 1 carriers:

See also: peering points

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