Template:NetworkStack
From charlesreid1
| Layer | Name | Function |
|---|---|---|
| 7 | Application | Topmost layer, provides users a means to access network resources (only level seen by end user) |
| 6 | Presentation | Transforms data received into a format that is readable by the application layer. Handles encryption/description for secure data |
| 5 | Session | Manages communication sessions between computers. Manages connections with other devices. Half-duplex or full duplex. |
| 4 | Transport | Provide reliable data transport services to lower layers. |
| 3 | Network | Routes data between physical networks. Handles addressing, via IP. Handles packet fragmentation and error detection. Router level. Most complex layer. |
| 2 | Data Link | Transports data across a network. Provides addressing scheme to identify physical devices, bridges, switches, MAC addresses. |
| 1 | Physical | The physical medium for the network communication signals. |