http://www.rfc-editor.org/rfc/rfc1634.txt
RFC 1634: Novell IPX Over Various WAN Media (IPXWAN), M. Allen1994-05-01T23:00:00-00:00This document describes how Novell IPX operates over various WAN media. Specifically, it describes the common "IPX WAN" protocol Novell uses to exchange necessary router to router information prior to exchanging standard IPX routing information and traffic over WAN datalinks. This memo provides information for the Internet community. This memo does not specify an Internet standard of any kind.