|1. Impact Tolerance is the setting of the maximum tolerable level of disruption to an important business service.
Notes (1): represents the point beyond which the harm caused by an operational disruption to the business service becomes intolerable.
Notes (2): do not factor in the frequency at which operational disruptions are likely to occur.
Notes (3): focus on setting the limit of the impact the organisation can tolerate from a single disruption.
Notes (5): focus on outcome-based objectives, which are about how much, when, and for how long.
Notes (6): in another view by the Monetary Authority of Singapore is the Service Recovery Time Objective (SRTO) which is the target duration of time to restore a specific business service from the point of disruption to the point when the specific business service is recovered to a level sufficient to meet business obligations.