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wiki/IPv6-Anycast.md
dn42 wiki a4b207310d Updated IPv6-Anycast (markdown)
2014-08-01 19:21:14 +02:00

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We provide some anycast services over IPv6.

Anycast address space

fd42:d42:d42::/48 is reserved for anycast services.

Each anycast service runs on a dedicated /64 in this range. This way, nobody needs to update filters.

Remember, if you announce an anycast /64, then you need to provide all services within this /64. It's probably simpler to only provide one service for each /64.

Anycast services

Name /64 prefix announced Service address Protocol/port Comment
Recursive DNS resolver fd42:d42:d42:53::/64 fd42:d42:d42:53::1 UDP/53 . and dn42. Providers

Future services

  • streaming
  • other kind of DNS (authoritative-only, recursive for dn42 only)