[dns-operations] format of IPv6 addresses in the root hints file [Re: AAAA being added for i.root-servers.net]

[Mark Andrews]

In message <m2iq5duwme.wl%randy at psg.com>, Randy Bush writes:
> > One could imagine an operator getting frustrated if they tried to do
> > something like take an IPv6 address from the hints file, and then grep
> > for it in their logs.
> 
> bingo!
> 
>   "It is expected that the canonical format is followed by humans and
>    systems when representing IPv6 addresses as text, but all
>    implementations must accept and be able to handle any legitimate RFC
>    4291 format."

2001:500:2f::f vs 2001:500:2F::F is trivial for most text processing
tools to deal with (grep -i, vi's set ignorecase, perl's //i).  What
is hard to deal with is 2001:500:2f::f vs 2001:500:2f:0:0:0:0:f vs
2001:0500:002f:0000:0000:0000:0000:000f vs
2001:0500:002f:0000:0000:0000:0.0.0.15.

Mark
-- 
Mark Andrews, ISC
1 Seymour St., Dundas Valley, NSW 2117, Australia
PHONE: +61 2 9871 4742                 INTERNET: marka at isc.org