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TCP vs UDP
Comparison card: TCP vs UDP. Easy English, with a real example. Scan the QR for the full lesson.
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What this card says
What each one is
TCP: makes a connection and checks every piece arrived.
UDP: just sends, with no checking.
How they differ
TCP is reliable but slower.
UDP is fast but can lose data.
Example
Websites (HTTPS) use TCP.
DNS and live video calls use UDP.
Use when
Need every byte: TCP.
Need speed, small loss is okay: UDP.
Learn more in the lesson: 3.4 TCP vs UDP