Glossary

Review the definitions for terms used across Cloudflare’s Magic Network Monitoring documentation.

Term	Definition
flow data	Represents records of communication between devices. There are a number of flow data protocols, such as NetFlow or sFlow.
NetFlow	Network protocol developed by Cisco to collect and monitor network traffic flow data.
sampling	In the context of Magic Network Monitoring, sampling is the process of taking samples of packets for a specific period to identify potential attacks.
sFlow	An industry standard packet sampling protocol to monitor network devices.