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RFC 2373:IP Version 6 Addressing Architecture
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IPv6 address


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... IPv6 addresses are 128-bit identifiers for interfaces ...
... IPv6 addresses of all types are assigned to interfaces, not nodes. ...
... addresses). A single interface may also be assigned multiple IPv6 addresses of any type (unicast, anycast ...
... There are three conventional forms for representing IPv6 addresses as text strings: ...
... 2. Due to some methods of allocating certain styles of IPv6 addresses, it will be common for addresses to contain long strings of zero bits ...
... The text representation of IPv6 address prefixes is similar to the way IPv4 addresses ...
... IPv4 addresses prefixes are written in CIDR notation. An IPv6 address prefix is represented by the notation: ...
... ipv6-address is an IPv6 address in any of the notations listed in section 2.2. ...
... The specific type of an IPv6 address is indicated by the leading bits in the address ...
... loopback address (see section 2.5.3), and the IPv6 Addresses with Embedded IPv4 Addresses (see section 2.5.4), are assigned out ...
... IPv6 nodes may have considerable or little knowledge of the internal structure of the IPv6 address, depending on the role the node plays ...
... interfaces of a single node does not affect the interface identifier's global uniqueness or each IPv6 addresses global uniqueness created using that interface identifier ...
... IPv6 Addresses with Embedded IPv4 Addresses ...
... address is termed an "IPv4-compatible IPv6 address" and has the format: ...
... A second type of IPv6 address which holds an embedded IPv4 address is also defined. This address ...
... IPv4-only nodes (those that *do not* support IPv6) as IPv6 addresses. This type of address is termed an "IPv4-mapped ...
... This type of address is termed an "IPv4-mapped IPv6 address" and has the format: ...
... This mapping of NSAP address into IPv6 addresses is defined in [NSAP]. This document recommends that network ...
... addressing in an IPv6 network. These mechanisms are the ones that must be used if such support is required. This document also defines a mapping of IPv6 addresses within the OSI address format, should this be required. ...
... This mapping of IPX address into IPv6 addresses is as follows: ...
... node multicast address corresponding to the IPv6 address 4037::01:800:200E:8C6C is FF02::1:FF0E:8C6C. IPv6 addresses that differ only in the high-order bits, e.g. due to ...
... multicast address corresponding to the IPv6 address 4037::01:800:200E:8C6C is FF02::1:FF0E:8C6C. IPv6 addresses that differ only in the high-order bits, e.g. due to multiple high-order prefixes ...


... This appendix defines the text representation of IPv6 addresses and prefixes in Augmented BNF ...



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