[ntp:questions] using NTP to check synchronization of two servers

Steve Kostecke kostecke at ntp.org
Mon Nov 3 22:05:46 UTC 2008

On 2008-11-03, David Woolley <david at djwhome.demon.co.uk> wrote:

> Jason Dusek wrote:
>>   At my work, we're using Amazon EC2 to host all services. The clock
>>   is set on our 'instances' by whatever machine the instance is
>>   running on -- as is usually the case with Xen.
> Virtual machines systems tend to run time at a variable rate! There
> is, somewhere a couple of months back, a link to a VMWare paper on how
> it distorts time.

The paper is linked from http://support.ntp.org/bin/view/Support/VMWareNTP

Steve Kostecke <kostecke at ntp.org>
NTP Public Services Project - http://support.ntp.org/

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