How Data Travels as Packets
See how a message is broken into small packets and reassembled on arrival.
Breaking Up Messages
Data is not sent as one giant stream. It is split into small chunks called packets, so many conversations share the network and lost bits are easy to resend.
What Is in a Packet
A packet has two parts: a header with addresses and a payload with the real data. The header is like the address on an envelope.
All lessons in this course
- What a Computer Network Means
- Clients, Servers, and Hosts Explained
- How Data Travels as Packets
- Why Networking Skills Matter Today