[c-nsp] NTP Server Recommendation?

[Michael Vinogradsky]

So 3 it will be. I'll probably go with cisco routers. I appreciate the feedback!

On Feb 5, 2011, at 7:19 PM, "Phil Mayers" <p.mayers at imperial.ac.uk> wrote:

> On 02/05/2011 11:32 PM, Michael Vinogradsky wrote:
>> The design would be comprised of two redundant NTP server in separate
>> geographic locations. The budget in the ballpark of two 2800 routers.
>> Precision is not that important.
> 
> Two NTP servers is a bad number. If one malfunctions... how does a 
> client know which one to trust? Have at least 3.
> 
> I would recommend ntpd on a Linux box or boxes. It will handle very high 
> numbers of NTP clients and is the reference implementation, with very 
> comprehensive config guides.
> 
> Unless you have very specialist needs, it is unlikely you need a local 
> clock source; there are almost certainly good local tier1 NTP servers 
> you can sync to (pick at least 5; have each of your at-least-3 local 
> servers act as client to them, and peer to each other)
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