Five 9s, or 99.999%, refers to the desired availability of a given computer system. Having a 99.999% means the system will deliver its service to the user 99.999% of the time it is needed. In total, the only downtime in a given year calculates out to five minutes and fifteen seconds. Five9s is recommended for mission-critical data and e-commerce.
Our network infrastructure at First National Technology Solutions provides for five 9s reliability and has been meticulously built using industry-wide best practices in order to build a hardened reliable, resilient backbone. Our network infrastructure features redundant links, redundant switches and their redundant power supplies. Our core layer is also fully redundant with 2 supervisor engines in each switch allowing for In-Service Software Upgrades (ISSU).