UDP and TCP use 1s complement for their checksums. Suppose you have thefollowing three
Chapter 3, Problem P3(choose chapter or problem)
UDP and TCP use 1s complement for their checksums. Suppose you have thefollowing three 8-bit bytes: 01010011, 01100110, 01110100. What is the 1scomplement of the sum of these 8-bit bytes? (Note that although UDP andTCP use 16-bit words in computing the checksum, for this problem you arebeing asked to consider 8-bit sums.) Show all work. Why is it that UDP takesthe 1s complement of the sum; that is, why not just use the sum? With the 1scomplement scheme, how does the receiver detect errors? Is it possible that a1-bit error will go undetected? How about a 2-bit error?
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