By mswatcher
via locklessinc.com
Published: Nov 08 2012 / 07:45
The TCP/IP checksum is used to detect corruption of data over a TCP or IPv4 connection. If a bit is flipped, a byte mangled, or some other badness happens to a packet, then it is highly likely that the receiver of that broken packet will notice the problem due to a checksum mismatch. This provides end-to-end assurance that the data stream is correct.
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