How do TCP and UDP detect transmission errors?

Question

I want to know how these protocols can detect that an error occurred during data transfer? thank

Answer 1

There are various errors:

• Invalid packet order
• Packet loss
• Corrupt data inside the package
• Phantom packets (the receiver receives packets that were never sent)

UDP provides only a mechanism to prevent data corruption (which is an optional feature in IPv4, mandatory for IPv6).

Data corruption

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Answer 2

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Answer 3

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