Author Topic: How to make servers available 99.99%  (Read 1080 times)


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How to make servers available 99.99%
« on: July 26, 2013, 03:01:00 PM »

Stable connection to the servers depend on 3 things.

1. Redundant power. A Datacenter should have N+1 Power redundancy. Means main electric power with Generator as backup in the backend. Then online UPS in the frond end. UPS gives power while power switch over happens from main power to generator in an event of main power failure.

3. BGP enables Internet with multiple carriers. Your server IP fails over to a second carrier in case first carrier goes down, instantaneously.

3. Protection from DDOS. A DDOS attack can make your server go offline. A DDOS protection like is done at router level as a hardware solution and it effectively blocks any DDOS attack, and avoids any server unavailability. provides all the above 3.