The proactive and reactive elements of Availability Management
Proactive Activities (primarily executed in Service Design and Service Transition):
* The development and maintenance of an Availability Plan, which documents the current and future requirements for service availability, and the methods used to meet these requirements
* Development of a defined set of methods, techniques and calculations for the assessment and reporting of availability
* Liaison with IT Service Continuity Management and other aligned processes to assist with risk assessment and management activities
* Ensuring consistency in the design of services and components to align with the business requirements for availability.
Reactive Activities (primarily executed in Service Operation and Continual Service Improvement):
* Regular monitoring of all aspects of availability, reliability and maintainability, including supporting processes such as Event Management for timely disruption detection and escalation
* Regular and event-based reporting of service and component availability
* Ensuring regular maintenance is performed according to the levels of risk across the IT infrastructure
* Assessing the performance of and data gathered by various Service Operation processes such as Incident and Problem Management to determine what improvement actions might be made to improve availability levels or the way in which they are met.