Multiple connections to the internet
Backup power
Redundant environmental controls
24-hour security with on-site personel
Redundant UPS systems - Uninterrlptible Power Supplies

Colocation inside a data center provides a cost-effective way to a secure and reliable hosting environment. Below are just a few more reasons to do colocation in a data center facility.

Fast connections from multiple internet carriers to prevent downtime
Expansion is alot easier, new servers can be added within hours
Network services monitored 24x7 from a Network Operations Center
Service Level Agreements to guarantee network uptime