Clock differences on servers

  • Thread starter Thread starter Josh
  • Start date Start date
J

Josh

I posted this in the distributed apps section but there wasn't a single
answer. It seems that this forum is a little busier and just as
applicable so I'll try again.

Imagine I have a distributed app on a number of servers, say a web farm

and a couple of app servers.

Can you think of any techniques that would allow me to be *accurately*
aware of any difference in clock time between the boxes. It sounds
fairly straightforward, but if you want a high level of accuracy, you'd

need to consider latency in any network call you use to check it.
 
Josh said:
I posted this in the distributed apps section but there wasn't a single
answer. It seems that this forum is a little busier and just as
applicable so I'll try again.

Imagine I have a distributed app on a number of servers, say a web farm

and a couple of app servers.

Can you think of any techniques that would allow me to be *accurately*
aware of any difference in clock time between the boxes. It sounds
fairly straightforward, but if you want a high level of accuracy, you'd

need to consider latency in any network call you use to check it.
Click to expand...

I suggest you look into NTP. Even if it doesn't give you anything to
directly help you, there are probably some useful ideas you'll find by
reading the documentation, RFCs etc.
 
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