The data packet structure Topic 2.1

The data packet structure Topic 2.1

1. Consist of three sections

   • header
     • contains info about: destination address; packet number; originators address
       • Destination address nomally IP address
       • packet number used to put packets back in order
       • origanators address also IP address
   • payload
     • actual data
   • trailer
     • used to dectect errors

2. Q1: header, payload, footer. Q2: destination address; packet number; originators address. Q3: payload. Q4: otherwise routers and wires cannot send it, because it could be too big