[vlovich123]

I think those clocks are coming down in price but the bigger challenge is the logistics - for whatever reason shared data centers don’t run in a GPS signal from the outside that all their clients can share.

[infogulch]

Well within the price range of smaller data centers, ~$1500 to build the open source reference card published by the open compute project: Open Time Server

http://www.opentimeserver.com/

[vlovich123]

$1500 should be nothing, even to small data centers.