Below is a list of the different layers that makes up theopen systems interconnection (OSI) model ↗ and the associated Cloudflare products.
The list of related products is representative but not comprehensive.
| Network layer | Protocol and related products |
|---|---|
| 7 Application layer | HTTP, DNS Authoritative DNS,Bot Management,CDN,Cloudflare Access,Cloudflare Gateway (outbound only),Cloudflare Tunnel,Load Balancing,Stream,WAF |
| 6 Presentation layer | |
| 5 Session layer | |
| 4 Transport layer | TCP/UDP Argo Smart Routing,Cloudflare Gateway (outbound only),Load Balancing,Spectrum |
| 3 Network layer | IP, GRE, any packet/protocol Magic Firewall,Magic Transit,Magic WAN |
| 2 Datalink layer | Direct connection Cloudflare Network Interconnect (CNI) |
| 1 Physical layer | Direct connection Cloudflare Network Interconnect (CNI) |
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