Network uptime guarantee refers to the entire network of the
web hosting company both internally and externally (LAN AND WAN) while server uptime guarantee refers to the uptime guarantee pertaining to the servers individually.
While choosing a host, server uptime guarantee should be taken into consideration as with the network uptime guarantee, if one server goes down and the rest of the network is running fine, customers might not receive any credits or refunds.
eUKhost offers 99.95% Uptime Guarantee on it's individual servers as well.