Monitoring the impact of events on a business service
You can use CMDB Impact Simulator to predict whether outages or disruption to certain configuration items (CIs) will affect other CIs. These predictions are based on the impact relationships that you configure within BMC CMDB. To define an impact relationship between two CIs, set the HasImpact attribute in the BMC_Relationship relationship class to Yes.
If you have the BMC Service Impact Manager (SIM) installed, CMDB Impact Simulator can also use the impact relationships configured with the BMC Impact Model Designer. BMC Impact Model Designer is installed as a component of the BMC Helix CMDB Extensions that are available with Truesight Operations Management. For more information, see Installing the BMC CMDB Extensions to enable integration with Atrium CMDB.
Atrium Impact Simulator and BMC SIM
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Simulating-the-impact-of-changes-to-CIs