How the internet really works: IP transit, peering and provider tiers
How ISPs connect to each other through peering and paid IP transit, what Tier-1, Tier-2 and Tier-3 providers are, and why two providers on two routers is the topology to aim for.
Notes on security leadership, infrastructure and architecture
How ISPs connect to each other through peering and paid IP transit, what Tier-1, Tier-2 and Tier-3 providers are, and why two providers on two routers is the topology to aim for.