I don't think "distance" is the problem.  "High rtt links" might be one, though: you can have cases where you time out or never catch up.  

-- 
Andrew Sullivan 
Please excuse my clumbsy thums. 

> On Jul 14, 2014, at 9:16, Dave Cramer <davecramer at gmail.com> wrote:
> 
> 
> How well does this work. Does anyone have some real world experience with this ?
> 
> 
> Dave Cramer
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