http://www.rfc-editor.org/rfc/rfc1574.txt
RFC 1574: Essential Tools for the OSI Internet, S. Hares, C. Wittbrodt1994-02-01T23:00:00-00:00This document specifies the following three necessary tools to debug problems in the deployment and maintenance of networks using ISO 8473 (CLNP): ping or OSI Echo function, traceroute function which uses the OSI Echo function, and routing table dump function. This memo provides information for the Internet community. This memo does not specify an Internet standard of any kind.