Engineering Needs for Metrics and Statistical Tools
OC3mon - optical monitor for OC3 ATM links; generates netflow-like data
Working on SONET and FDDI versions, working on OC12 as well
DOS-based system, being ported to FreeBSD
Netscout - HSSI/FDDI RMON probe, can generate netflow-like stats
NetFlow switching and CFlowd for ciscos
http://www.nlanr.net/ISMA