http://www.rfc-editor.org/rfc/rfc3089.txt
RFC 3089: A SOCKS-based IPv6/IPv4 Gateway Mechanism, H. Kitamura2001-04-01T23:00:00-00:00This document describes a SOCKS-based IPv6/IPv4 gateway mechanism that enables smooth heterogeneous communications between the IPv6 nodes and IPv4 nodes. This memo provides information for the Internet community.