Was just reading through an article on data centers as linked: http://www.theage.com.au/it-pro/business-it/what-to-look-for-in-a-data-centre-20131122-hv3qj.html
Appropriate quote from article below:
Location
CBD or near CBD locations are favoured because of better connectively and for customer access, for which demand was increasing, Beavis said. Offset against this is a minimum separation of 25 kilometres required by many customers for compliance purposes.
What are the benefits of having a data center at least 25km (or certain distance) from the customer's office?