http://www.rfc-editor.org/rfc/rfc1224.txt
RFC 1224: Techniques for managing asynchronously generated alerts, L. Steinberg1991-05-01T23:00:00-00:00This memo defines common mechanisms for managing asynchronously produced alerts in a manner consistent with current network management protocols. This memo specifies an Experimental Protocol for the Internet community. It does not specify an Internet standard.