http://www.rfc-editor.org/rfc/rfc2407.txt
RFC 2407: The Internet IP Security Domain of Interpretation for ISAKMP, D. Piper1998-11-01T23:00:00-00:00This document defines the Internet IP Security DOI (IPSEC DOI), which instantiates ISAKMP for use with IP when IP uses ISAKMP to negotiate security associations. [STANDARDS-TRACK]