[97152] in North American Network Operators' Group

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Re: NAT Multihoming

daemon@ATHENA.MIT.EDU (Simon Leinen)
Sun Jun 3 17:20:09 2007

From: Simon Leinen <simon.leinen@switch.ch>
To: Donald Stahl <don@calis.blacksun.org>
Cc: Lamar Owen <lowen@pari.edu>, nanog@nanog.org
In-Reply-To: <20070602165606.A41466@calis.blacksun.org> (Donald Stahl's
	message of "Sat, 2 Jun 2007 16:59:29 -0400 (EDT)")
Date: Sun, 03 Jun 2007 23:19:16 +0200
Errors-To: owner-nanog@merit.edu


Donald Stahl writes:
> When an ISP's caching name servers ignore your 3600 TTL and
> substitute an 86400 TTL you end up disconnected for ~12 hours
> instead of ~30 minutes-

You write "when" rather than "if" - is ignoring reasonable TTLs
current practice?

(Ignoring routing updates for small routes used to be common practice,
at least if they happen frequently enough.)

> That's unacceptable for a almost any company willing to go through
> the trouble of getting an ASN.

Ignoring reasonable TTLs is rude and should be unacceptable for the
hypothetical ISP's customers, so I assume this problem will get fixed
by normal commercial pressure.  Red herring?
-- 
Simon.

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