September 2008
Beginner
456 pages
11h 41m
English
Content preview from Sams Teach Yourself TCP/IP in 24 Hours, Fourth Edition
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IPv6 Addressing
IPv6 addresses, like IPv4 addresses, are assigned by a central Internet authority and distributed through a system of ISPs and other bandwidth providers. As shown in Table 13.2, certain address ranges are reserved for specific activities such as multicasting and link-local addressing (which is similar to the IPv4 zero configuration system described in Hour 12, “Automatic Configuration”). As you learn in the next section, another special range of addresses is reserved for mapping IPv4 addresses to the IPv6 address space.
| Address Type | Binary Prefix | IPv6 Notation | Description |
|---|---|---|---|
| Unspecified | 0...00 (all zeros) | ::/128 | Must never be assigned. Indicates the absence of an address. |
| Loopback | 0...01 (127 zeros) ... |
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