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DNS caches that support partitioning ?
- Subject: DNS caches that support partitioning ?
- From: patrick at ianai.net (Patrick W. Gilmore)
- Date: Sat, 18 Aug 2012 18:43:24 -0400
- In-reply-to: <CAAAwwbXv6yMvjnuN=gW_Qq3V+ExF_HW21XrRr4fxNqMBKW4Oig@mail.gmail.com>
- References: <[email protected]> <[email protected]> <[email protected]> <[email protected]> <CAAAwwbXv6yMvjnuN=gW_Qq3V+ExF_HW21XrRr4fxNqMBKW4Oig@mail.gmail.com>
On Aug 18, 2012, at 8:44, Jimmy Hess <mysidia at 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