https://rec.tunstun.org/info/rfc4005/
RFC 4005: Diameter Network Access Server Application | RFC Editor
Aug 10, 2005 - This document describes the Diameter protocol application used for Authentication, Authorization, and Accounting (AAA) services in the Network Access Server...
network access serverrfcdiameterapplicationeditor
https://pike-www.lysator.liu.se/docs/ietf/rfc/31/rfc3169.xml
RFC 3169: Criteria for Evaluating Network Access Server Protocols - Pike Programming Language
network access serverpike programming languagerfccriteriaevaluating