CRC checksum FCS

SaranJothy

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04-30-2007, 09:45 AM

What is the difference between CRC,checksum and Frame check sequence.

I m aware that checksum is used as part of tcp/udp/ip headers.
At which layer CRC and FCS used.

I think purpose all three is Data integrity.Why three different
things.Any specific reason?

Thx,
Jothy.

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