--- title: Related information description: Find more information about the Network Intrusion Detection System \(NIDS\) extension class, OT extension classes, and related applications. locale: en-US canonical_url: https://www.servicenow.com/docs/r/australia/operational-technology/industrial-process-manager/mpm-related-information.html release: australia product: Industrial Process Manager classification: industrial-process-manager topic_type: reference last_updated: "2026-03-12" reading_time_minutes: 1 breadcrumb: [Reference, Industrial Process Manager, Operational Technology] --- # Related information Find more information about the Network Intrusion Detection System \(NIDS\) extension class, OT extension classes, and related applications. ## Extension classes overview The extension classes help you understand how Operational Technology Management works with the Configuration Management Database \(CMDB\). - **[Network Intrusion Detection System \(NIDS\) CI extension class](https://raw.githubusercontent.com/ServiceNow/ServiceNowDocs/australia/markdown/servicenow-platform/cmdb-network-ids-nids-ci-extension-class.md)** The Network Intrusion Detection System \(NIDS\) \[cmdb\_ci\_nids\] class builds the relationships between passive network monitoring appliances, and the devices on the network that it discovers. - **[Operational Technology \(OT\) extension classes](https://raw.githubusercontent.com/ServiceNow/ServiceNowDocs/australia/markdown/servicenow-platform/cmdb-ci-class-models-operation-technology.md)** The Configuration Management Database \(CMDB\) updates classes for OT. ## Related applications - **[Operational Technology Manager](https://raw.githubusercontent.com/ServiceNow/ServiceNowDocs/australia/markdown/australia/operational-technology/operational-technology-manager/operational-technology-manager.md)** The Operational Technology Manager application enables you to aggregate OT device data from multiple sources, so that you can build the foundational data relationships used in the Industrial solution. **Parent Topic:**[Industrial Process Manager reference](https://raw.githubusercontent.com/ServiceNow/ServiceNowDocs/australia/markdown/australia/operational-technology/industrial-process-manager/manufacturing-process-mgr-reference.md)