Adding redundancy to our setup

As DinoSpace becomes more popular, the consequences of downtime become more severe. Each second of downtime is time that new users are turned away from the site, leading them to potentially look elsewhere. It is also the time where existing users may be put off from the site, and may look into alternative sites which may be more reliable. This point is emphasised by the media coverage and public reaction each time a popular social website, such as Twitter or Facebook, goes offline.

Redundant systems should help reduce or eliminate downtime, by providing backups of everything, including the following:

• Replicated database servers: If our primary database server goes offline, a backup server kicks in. The data on this backup is up-to-date because it would constantly replicate from the primary server.

• Redundant network connections to the data centre: Should one particular connection become congested, or suffer failure, another provider's connection can be used.

• Redundant...