Analysis of information sources in references of the Wikipedia article "Tier 1 network" in English language version.
Tier 1 networks are those networks that don't pay any other network for transit yet still can reach all networks connected to the internet.
Some industry watchers believe the problem shows signs of dispute over peering agreements—deals between Internet service providers to create a direct link to route each other's packets rather than pay a third-party network service provider for transport.
Must provide paid Internet transit services to at least 500 unique transit networks utilizing BGP on a global basis.
Cogent and Telia are having a lover's quarrel and, as a result, the Internet is partitioned. That means customers of Cogent and Telia cannot necessarily reach one another.
