Date: Sun, 16 Dec 2001 00:20:28 -0800 From: Derrick John Klise <derrick@lumiere.net> To: Jeff Lasman <jblists@nobaloney.net> Cc: freebsd-isp@freebsd.org Subject: Re: Using DNAT and DNS round-robin Message-ID: <20011216002028.A1264@leaf.lumiere.net> In-Reply-To: <3C1C270F.164076BA@nobaloney.net>; from jblists@nobaloney.net on Sat, Dec 15, 2001 at 08:46:07PM -0800 References: <PGECILGGNJGDPJKLFEMIMEJGCIAA.dpuryear@usa.net> <196254713265.20011209213749@hostonfly.com> <3C1C270F.164076BA@nobaloney.net>
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On Sat, Dec 15, 2001 at 08:46:07PM -0800, Jeff Lasman wrote: > Are you sure? I've been looking for a definitive answer in my DNS & > Bind book for about an hour now, and I'm still not certain <frown>. Any > page references welcome <smile>. IIRC, something like: monkey.example.net IN A 192.168.0.1 IN A 192.168.0.2 IN A 192.168.0.3 > And how about failure rollover? We'd like to offer clients > geographically dispersed hosting; there's a call for it since September > 11th showed everyone of the hazards of hosting at only one location. > But I don't think we can rely on short TTL; too many large ISPs seem to > ignore it <frown>. > Is there a way to handle high-availability strictly in DNS? Possibly; I'm unaware of one if there is, though. If you're not too worried about the TTL problem, you could set up a monitoring program to remove an entry from the rotation if it's corresponding address becomes unavailable, then add it when it comes back up. -- Derrick John Klise <derrick@lumiere.net> "I went into a general store, and they wouldn't sell me anything specific". -- Steven Wright To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-isp" in the body of the message
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