High availability is a characteristic of a system, which aims to ensure an agreed level of operational performance, usually up time, for a higher than normal period. For example, hospitals and data centers require high availability of their systems to perform routine daily activities. Availability refers to the ability of the user community to obtain a service or good, access the system, whether to submit new work, update or alter existing work, or collect the results of previous work. If a user cannot access the system, it is - from the users point of view - unavailable. Elimination of single points of failure.
Inventory Audit: Knowing which IT assets you have and how they are used has become a challenge in today's complex and ever evolving IT infrastructure, yet managing IT Assets is an important task for any business. A typical IT infrastructure has many different assets of various types, and new IT projects are deploying additional assets to support the business objectives. These challenges includes tracking IT assets across multiple offices and IT platforms, detecting software installed and used, and discovering new devices that are on the network.