fb | apparato | Tb | 10 ⁄ Tb |
2.4 ⋅ 103 | Modem (anni ’80) | 4.2 ⋅ 10 − 3 | 24 KHz |
28.8 ⋅ 103 | Modem (anni ’90) | 3.5 ⋅ 10 − 5 | 288 KHz |
10 ⋅ 106 | Thin Ethernet (anni ’90) | 10 − 7 | 100 MHz |
100 ⋅ 106 | Fast Ethernet | 10 − 8 | 1 GHz |
crc-12 | G(x) = x12 + x11 + x3 + x2 + x + 1 |
crc-16 | G(x) = x16 + x15 + x2 + 1 |
crc-ccitt | G(x) = x16 + x12 + x5 + 1 |
crc-32 | G(x) = x32 + x26 + x23 + x22 + x16 + x12 + x11 + x10 + x8 + x7 + x5 + x4 + x2 + x + 1 |