1 | Each layer adds control information to the message - this process is called encapsulation. |
2 | data |
3 | data |
4 | Message |
5 | TCP message |
6 | IP packet |
7 | Ethernet frame |
8 | TCP |
9 | header |
10 | data |
11 | TCP |
12 | header |
13 | IP |
14 | header |
15 | data |
16 | TCP |
17 | header |
18 | IP |
19 | header |
20 | Ethernet |
21 | header |
22 | Ethernet |
23 | trailer |
24 | 14 20 8 400 bytes 4 |