Wikipedia
SevOne
SevOne, Inc. is a venture funded digital infrastructure management software company. The SevOne Performance Appliance solution (SevOne PAS) provides network managers with monitoring, troubleshooting, and performance reporting capabilities. The company is based in Delaware and named after the slang for the “severity one” performance problems network managers face.
The SevOne PAS includes different virtual and physical appliances each capable of monitoring 5,000 to 200,000 network elements and the SevOne Dedicated NetFlow Collector (Sevone DNC) that supports up to 1,000 NetFlow interfaces per appliance.