http://www.rfc-editor.org/rfc/rfc2364.txt
RFC 2364: PPP Over AAL5, G. Gross, M. Kaycee, A. Li, A. Malis, J. Stephens1998-07-01T23:00:00-00:00This document describes the use of ATM Adaptation Layer 5 (AAL5) for framing PPP encapsulated packets. [STANDARDS-TRACK]