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Re: DNS caches that support partitioning ?
From: "Patrick W. Gilmore" <patrick () ianai net>
Date: Sat, 18 Aug 2012 18:43:24 -0400

On Aug 18, 2012, at 8:44, Jimmy Hess <mysidia () gmail com> wrote:

And I say that, because some very popular RRs have insanely low TTLs.

Case in point:
www.l.google.com.    300    IN    A    74.125.227.148
www.l.google.com.    300    IN    A    74.125.227.144
www.l.google.com.    300    IN    A    74.125.227.146
www.l.google.com.    300    IN    A    74.125.227.145
www.l.google.com.    300    IN    A    74.125.227.147
www.l.google.com.    300    IN    A    74.125.227.148

Different people have different points of view.

IMHO, if Google losses a datacenter and all users are stuck waiting for a long TTL to run out, that is Very Bad.  In 
fact, I would call even 2.5 minutes (average of 5 min TTL) Very Bad.  I'm impressed they are comfortable with a 300 
second TTL.

You obviously feel differently.  Feel free to set your TTL higher.

-- 
TTFN,
patrick



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