It's time to consider NetFlow v9 and IPFIX — most probably your existing hardware supports it. Cisco routers for example, support Application Visibility and Control (AVC) which provide all of the details discussed here. Although vendor implementations vary in terms of the metrics they export, failing to collect flow data is probably preventing your IT team from minimizing the Mean Time To Know (MTTK) of application performance issues and cyber threats that get right past the firewall.
Is that a risk worth taking?
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