The sFlow module provides a mechanism to parse and decode sFlow datagrams.
It supports sFlow version 2/4 (RFC 3176 - http://www.ietf.org/rfc/rfc3176.txt)
and sFlow version 5 (Memo - http://sflow.org/sflow_version_5.txt).

WWW:	http://search.cpan.org/dist/Net-sFlow/