Section 3 of 5
Thirteen addresses, hundreds of sites
Anycast, and what the root actually is.
Thirteen addresses, twelve operators, several hundred machines. What the root actually holds, and how one address comes to be answered in many places at once.
3 pieces in this section
- 01Thirteen addresses, hundreds of sitesThere are thirteen root addresses because of a packet size limit, and far more than thirteen machines because of anycast.
- 02What anycast actually doesThe same address announced from many places, and the routing table deciding which one you reach.
- 03The root zone, and who signs itThe file itself is small, published, and signed in a ceremony that is a matter of record.