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.  |   
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