Glossary

Napatech card

A specialized network card which does part of the packet filtering and processing in dedicated hardware, as opposed to doing filtering and processing on the CPU.

Probe

A machine which filters and processes network traffic. It does not calculate the statistics.

RTP

RTP (Real-time Transport Protocol) is the voice part of the network traffic, as opposed to the signaling (meta) part.

VLAN

VLAN (Virtual Local Area Network) is a technique to separate a network into distinct, isolated broadcast domains. See https://en.wikipedia.org/wiki/Virtual_LAN.