Availability ensures information is available to authorized users and devices. Initially, the information owner must determine availability requirements. The owner must determine who needs access to the data and when.
Availability is the factor that describes about the ability of authorized user to access the information ,internet service and other facilitates at any time and place. Information owner should determine and know about availability need and requirement proposed by authorized users.
Requirement, time, place, reason, etc are the factors that is known by owner of information for availability facility.
