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Encyclopedia > Tier 1 ISP

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 statements generally hold:

  • 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 in the same market, and generally do not pay for transit.

A given Tier 1 operator might only be considered tier 1 in a particular market or markets (typically a country or geographical area). For example, Telecom New Zealand are undeniably tier 1 in New Zealand, but much too small to peer neutrally with Tier 1 operators in the USA.


For a list of Tier 1 carriers, see List of tier 1 internet service providers.


Also see


  Results from FactBites:
 
Tier 1 carrier - Wikipedia, the free encyclopedia (769 words)
Many networks incorrectly claim to be a Tier 1 simply due to ignorance of the term, leading to a corruption of meaning in which the vast majority of those claiming to be a Tier 1 network are not.
The issue is further complicated by the non-disclosure agreements which surround almost all Tier 1 level peering, which makes it difficult for carriers to officially confirm or deny the existence of peering, the physical connection of two backbone networks to allow data to flow between them.
Tier 1 networks are often noted for their extremely restrictive peering policies, which are generally regarded as being intended to set the bar for peering so high that no new networks can meet them.
  More results at FactBites »


 

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