HA offers Application Resiliency

Critical Applications can remain active even when the primary hardware they rely on goes down

Applications can remain active through maintenance cycles and backups

HA offers the promise of minimal down time

Staff can remain working on HA equipment almost transparently

Customers can keep using services instead of receiving unavailable messages

Some disaster situations are eliminated completely

HA does require more administration

Configuration

Testing

Training

https://www.bestitdocuments.com/Samples