[131439] in North American Network Operators' Group
RE: NTP Server
daemon@ATHENA.MIT.EDU (Brandon Kim)
Sun Oct 24 13:42:15 2010
From: Brandon Kim <brandon.kim@brandontek.com>
To: nanog group <nanog@nanog.org>
Date: Sun, 24 Oct 2010 13:38:51 -0400
In-Reply-To: <m2vd4r5xh6.wl%randy@psg.com>
Errors-To: nanog-bounces+nanog.discuss=bloom-picayune.mit.edu@nanog.org
Just for log purposes and possibly providing it to our clients as an added =
service at no charge of course.
I don't see us needing to get very granular in the details of the times on =
the logs....
> Date: Sun=2C 24 Oct 2010 10:09:25 -0700
> From: randy@psg.com
> To: brandon.kim@brandontek.com
> CC: nanog@nanog.org
> Subject: Re: NTP Server
>=20
> > 1) How necessary do you believe in local NTP servers? Do you really
> > need the logs to be perfectly accurate?
>=20
> what is "perfectly accurate?" perfection is not very realistic. to
> what use do you put these logs? what precision and jitter are required
> for that use?
>=20
> imiho=2C if you are just comparing router and server log files=2C run off
> public. if you are trying to do fine-grained measurement=2C you are goin=
g
> to invest a lot in clock and propagation research.
>=20
> > 2) If you do have a local NTP server=2C is it only for local internal
> > use=2C or do you provide this NTP server to your clients as an added
> > service?=20
>=20
> i would generally let customers chime off routers which are strat 2 or
> 3. if a customer has other needs=2C then they can deal. if they are
> really concerned=2C they should not bet on me anyway.
>=20
> > 3) If you do have a local NTP server=2C do you have a standby local NTP
> > server or do you use the internet as your standby server?
>=20
> again=2C depends on your needs.
>=20
> randy
=
