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North American Network Operators Group
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Re: IPv6 Advertisements
- From: Stephen Sprunk
- Date: Thu May 31 10:47:03 2007
Thus spake "Randy Bush" <randy@xxxxxxx>
small site. so public servers provide multiple and diverse
services. if a hostname has a v6 address, then all services
must be v6 capable because clients do not retry the A record.
This seems to argue for having "service" hostnames, which has been standard
practice at many sites for a long, long time. For instance, if you have a
single box which does mail and news, and you have v6 mail but only v4 news,
then mail.example.com should have both A and AAAA records but
news.example.com should have A records only.
(Yes, this means you can't just CNAME the service hostname to the real
hostname, but there are several other strategies.)
S
Stephen Sprunk "Those people who think they know everything
CCIE #3723 are a great annoyance to those of us who do."
K5SSS --Isaac Asimov
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