[97182] in North American Network Operators' Group
Re: NAT Multihoming
daemon@ATHENA.MIT.EDU (Stephane Bortzmeyer)
Mon Jun 4 04:11:37 2007
Date: Mon, 4 Jun 2007 10:02:52 +0200
From: Stephane Bortzmeyer <bortzmeyer@nic.fr>
To: Stephen Satchell <list@satchell.net>
Cc: nanog@merit.edu
In-Reply-To: <46637A09.6060904@satchell.net>
Errors-To: owner-nanog@merit.edu
On Sun, Jun 03, 2007 at 07:33:45PM -0700,
Stephen Satchell <list@satchell.net> wrote
a message of 29 lines which said:
> The last time I renumbered, I found that quite a few people were not
> honoring the TTLs I put in my DNS zone files. [...] Custom customer
> zone files hosted elsewhere?
Do not forget that applications have their own caches, too, and they
typically ignore completely the DNS TTL. A typical Web brower calls
getaddrinfo() once and use the IP address as long as it is not
restarted.