December 2001
Intermediate to advanced
656 pages
27h 19m
English
Content preview from Networking Explained, 2nd Edition
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Chapter 5: Data Link Layer Concepts and IEEE Standards 201
bits, all bursts of 16 bits or less, 99.997 percent of 17-bit error bursts, and 99.998 percent
of 18-bit and longer error bursts. With CRC-32, however, the chances of bad data being
received and not detected are approximately 1 in 4.3 billion (2
32 − 1
).
43. Wow! So although errors are inevitable in networks, thanks to CRC-32 there is
little chance that they will go undetected, right?
That’s right. However, this does not mean that you should be negligent in your respon-
sibility as a network manager or administrator. You should always strive to minimize net-
work errors by replacing IS Class ...
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