In network engineering, "RAR" is the common abbreviation for the , a high-performance RADIUS/Diameter server.
Documentation for Cisco RAR refers to specific parameter names like Ascend-FR-DCE-N393 and Ascend-FR-DTE-N393 . N(393)rar
In medical billing, "N" followed by a number (like N393) often refers to . These are used by health plans to explain claim adjustments or denials. In network engineering, "RAR" is the common abbreviation
These are Frame Relay parameters (N391, N392, N393) used to manage error thresholds and status polling in network interfaces. Guide to Action: In network engineering