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Capacity Planning / Elasticity

B5

Manage the level of IT infrastructure resources that are needed to support the organization's business production requirements, to cover both peaks and troughs in demand.

Improvement Planning

Practices-Outcomes-Metrics (POM)

Representative POMs are described for Capacity Planning / Elasticity at each level of maturity.

2Basic
  • Practice
    Put in place the basic policies, processes, and procedures to manage the performance, utilization, and capacity of IT resources at the individual IT component level.
    Outcomes
    • Capacity management expertise is growing with technical silos actively managing capacity.
    • Some processes become repeatable, with consistent results.
    • Discipline is improving and helps to ensure existing processes are maintained during stressful periods.
    Metrics
    • Expected increase/decrease in capacity utilization in the short and long term.
    • # of thresholds set, that when reached will require additional capacity.
3Intermediate
  • Practices
    • Shift the focus from technical components to workload analysis.
    • Develop trending and a trend analysis capability to predict performance bottlenecks in the near- and mid-term.
    Outcomes
    • Capacity plans are regularly produced, reviewed, and actioned.
    • Trend models are being used for forecasting.
    Metrics
    • # of capacity plans reviewed and actioned.
    • # of trend models.
4Advanced
  • Practices
    • Compile workload information across all tiers to analyse and report at a service level.
    • Establish a dialogue across the organization to anticipate likely scenarios and to use analytical modelling to predict the outcome of those scenarios.
    Outcomes
    • Capacity management is fully implemented and integrated across the organization, so that business objectives are defined and met.
    • This facilitates the implementation of a chargeback mechanism that can yield fairer costs, based on utilization, and can influence usage patterns.
    Metrics
    • # of service level capacity plans.
    • # of capacity management communications.
    • # of planned scenarios.
5Optimized
  • Practice
    Use capacity management as a strategic solution that includes component, service, and business data, and is part of any continuous service improvement initiatives.
    Outcome
    The focus is on continuous improvement using incremental and innovative changes and initiatives.
    Metric
    # of capacity planning improvements/initiatives.