wrusers.md

@@ -888,6 +888,14 @@ S15](http://msu.euramet.org/si_broader_scope_2015/SRTs/SRT-s15.pdf).
 
 # Quotes
 
+Time distribution across physically separate data centre modules – all
+of which are a considerable distance apart from one another – is a hard
+problem. The new technology allows us to discipline the clocks of our
+time-stamping devices with sub-nanoseconds accuracy. We now have
+visibility in our network never seen before. (A. Lohr, Derivatives and
+Cash Trading IT of Deutsche Börse, Germany,
+[10/2017](http://deutsche-boerse.com/dbg-en/about-us/insights/Ultra-accurate-time-distribution-for-Deutsche-Boerse-s-trading-network/3221616))
+
 I would like to appreciate detailed information you provided with. I
 have been surprised that all the resources on WR are freely accessible
 and this mailing group is very responsive. Thanks again for your