The Contractual Obligation provides the user with information based on the contractual tracking period defined for each of the metrics in the contract.
Consider for example, a metric that measures the availability of a service over a contractual tracking period of one month; its status may vary depending upon the cumulative availability as a function of time since the beginning of the month. If the target is at least 80 percent availability and the service was not available for the last 12 hours, a status view in the middle of the month would show 96 percent availability. This is good from the contractual point of view, but users do not see that a potentially serious situation is developing and could possibly be worsening.
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