NetFlow Analyzer's Essential edition is best suited for installations with flow rates upto 10000 flows per second. Beyond this, it is recommened that the Distributed edition is installed & run.
Here's why the Distributed edition is an ideal choice for you. At no additional cost apart from the license fee of the distributed edition, you get the following:
The distributed edition is best suited for large enterprises with high flow rates where the cost of downtime is unimaginably high & acts as the best means to proactively monitor and control your network traffic.