Apparatus and method for receiving alarms from multiple network management servers and applying a plurality of policy-based filters to the alarms. The filters may be named and stored in a database, and application of the policy-based filters may be scheduled for different times. The same policy-based...http://www.google.de/patents/US6064304?utm_source=gb-gplus-sharePatent US6064304 - Method and apparatus for policy-based alarm notification in a distributed network management environment