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Overview:
The biggest difference between IPv4 and IPv6 is addressing, because IPv6 uses 128 bits for addressing compared to IPv4, which uses 32 bits. IPv6 can be used to specify 2 128 (about 3.4 x 10 38) addresses or about 5 x 10 28 unique addresses for each of the 6.5 billion people alive on planet Earth today. IPv4, with 32 bits of addressing, can be used to specify 2 32 (about 4.3 x 10 9) addresses. IPv4 was to have run out of addresses by 2008, but with Network Address Translation (NAT) and Classless Internet Domain Routing (CIDR) it seems to have gotten an extension.
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| Format: | Size: | 449 KB | |
| Date: | Mar 2008 | ||
| Pages: | 15 |
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