The proof of the pudding is in the eating, so your proof would be reliability of the connection to the individual, if and when problems occur. Having said that, I did use CCL a couple of years ago, and their service was very good at that time.
Surface Pro (2017) vs Surface Pro 4
Where HTML5 is headed next
MacBook Pro v Surface Pro 5
Synology invites you to visit them at Insomnia on 26th – 29th August. Book your tickets now and visit Synology.