[LINK] RFI: Clock Synchronisation in Hosts

[Avi Miller]

FYI,

> On 12 Nov 2014, at 12:55 pm, gr0ve <gr0ve at exemail.com.au> wrote:
> 
> In my home network, I tend to run my own local NTP
> server for this function, which itself sources the time from one
> of the available Australian NTP servers. 

Syncing to just one upstream NTP server is not sufficient (it's a SPOF):

http://support.ntp.org/bin/view/Support/SelectingOffsiteNTPServers#Section_5.3.3.

We're now configuring our servers with 5 sources (which are internal) and each of those 5 sources sync with 5 different upstream sources.

Cheers,
Avi