I’m specifically wondering who the provider is, and whether the DC is ISO accredited?
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According to this http://www.theregister.co.uk/2014/07/15/digital_ocean_uk_opening/ it’s LD5 which is in Slough.
I’m actually not happy about that as Slough is most certainly not London
http://www.equinix.com/locations/united-kingdom-colocation/london-data-centers