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Availability and Capacity Management – BAI04 (COBIT2019)

Parent Framework: COBIT 2019

Domain: Build, Acquire and Implement

Managed Availability and Capacity

Balance current and future needs for availability, performance and capacity with cost-effective service provision. Include assessment of current capabilities, forecasting of future needs based on business requirements, analysis of business impacts, and assessment of risk to plan and implement actions to meet the identified requirements.


Maintain service availability, efficient management of resources and optimization of system performance through prediction of future performance and capacity requirements.

Management practices

BAI04.01 Assess current availability, performance and capacity and create a baseline.

Assess availability, performance and capacity of services and resources to ensure that cost-justifiable capacity and performance are available to support business needs and deliver against service level agreements (SLAs). Create availability, performance and capacity baselines for future Comparison

BAI04.02 Assess business impact.

Identify important services to the enterprise. Map services and resources to business processes and identify business dependencies. Ensure that the impact of unavailable resources is fully agreed on and accepted by the customer. For vital business functions, ensure that availability requirements can be satisfied per service level agreement (SLA).

BAI04.03 Plan for new or changed service requirements.

Plan and prioritize availability, performance and capacity implications of changing business needs and service requirements.

BAI04.04 Monitor and review availability and capacity.

Monitor, measure, analyze, report and review availability, performance and capacity. Identify deviations from established baselines. Review trend analysis reports identifying any significant issues and variances. Initiate actions where necessary and ensure that all outstanding issues are addressed.

BAI04.05 Investigate and address availability, performance and capacity issues.

Address deviations by investigating and resolving identified availability, performance and capacity issues.


Availability management AVMT

The definition, analysis, planning, measurement, maintenance and improvement of all aspects of the availability of services, including the availability of power. The overall control and management of service availability to ensure that the level of service delivered in all services is matched to or exceeds the current and future agreed needs of the business, in a cost effective manner.


Capacity management CPMG

The planning, design and management of the capability, functionality and sustainability of service components (including hardware, software, network resources and software/infrastructure as a Service) to meet current and forecast needs in a cost-efficient manner aligned to the business. The modelling of both long-term changes and short-term variations in the level of capacity required to execute the service. The deployment of techniques to control the demand and add/reduce capacity in a cost effective, timely manner to meet changes in demand.


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