1 2 3 2 2 1 1 Your laptop Router 1 Router 2 Router 3 Router 4 Web server Step Play New journey packets3 4 5 6 lossnone some heavy routingstatic dynamic
On the wire step 0 / 25 Press Step. The message has already been wrapped by the layers (below); now it travels.
In this simulator, static routing means every packet takes the one pre-chosen best road. Dynamic means routers pick among roads that still make progress, so packets of the same message can overtake each other, then the tray puts them back in order by packet number.
A2.1.5 HL, the layers
Order the layers Going out, a message works down the sender's four layers, each adding its own header. Coming in, it works up the server's four, each stripping one. Put the eight steps in order.
across the wire, then server unwraps ↑
the eight steps, click in order
↑ Application(server) ↑ Network Interface(server) ↓ Transport↓ Network Interface↑ Transport(server) ↓ Internet↓ Application↑ Internet(server) Shuffle Reveal order 0/8 placed
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