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Choice of network space when numbering interfaces with IPv6

Subject: Choice of network space when numbering interfaces with IPv6
From: zaid at zaidali.com (Zaid Ali)
Date: Fri, 15 Oct 2010 12:26:13 -0700

SO I have been turning up v6 with multiple providers now and notice that
some choose /64 for numbering interfaces but one I came across use a /126. A
/126 is awfully large (for interface numbering) and I am curious if there is
some rationale behind using a /126 instead of a /64.

Zaid

Follow-Ups:
- Choice of network space when numbering interfaces with IPv6
  - From: jeroen at unfix.org (Jeroen Massar)
- Choice of network space when numbering interfaces with IPv6
  - From: scott at doc.net.au (Scott Howard)
- Choice of network space when numbering interfaces with IPv6
  - From: nick at foobar.org (Nick Hilliard)
- Choice of network space when numbering interfaces with IPv6
  - From: zaid at zaidali.com (Zaid Ali)
- Choice of network space when numbering interfaces with IPv6
  - From: nanog at 85d5b20a518b8f6864949bd940457dc124746ddc.nosense.org (Mark Smith)
- Choice of network space when numbering interfaces with IPv6
  - From: randy at psg.com (Randy Bush)

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