[e2e] UDP checksum field?

Faisal Aslam faisal at lums.edu.pk
Sun Apr 3 03:18:38 PDT 2005

Why we have checksum field is in UDP header, as UDP does not provide data retransmission etc?
I think it is used only to silently discarding a packet with wrong checksum (thats it?). Is there any other application of checksum field?

Sorry if the question is too naive.

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