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  2. IPv4 - Wikipedia

    en.wikipedia.org/wiki/IPv4

    This field contains the IPv4 address of the sender of the packet. It may be changed in transit by network address translation (NAT). Destination address: 32 bits This field contains the IPv4 address of the intended receiver of the packet. It may also be affected by NAT.

  3. Network address translation - Wikipedia

    en.wikipedia.org/wiki/Network_address_translation

    Mapping of Address and Port is a Cisco proposal that combines Address plus Port translation with tunneling of the IPv4 packets over an ISP provider's internal IPv6 network. In effect, it is an (almost) stateless alternative to carrier-grade NAT and DS-Lite that pushes the IPv4 address /port translation function (and the maintenance of NAT state ...

  4. IP address - Wikipedia

    en.wikipedia.org/wiki/IP_address

    A public IP address is a globally routable unicast IP address, meaning that the address is not an address reserved for use in private networks, such as those reserved by RFC 1918, or the various IPv6 address formats of local scope or site-local scope, for example for link-local addressing. Public IP addresses may be used for communication ...

  5. IVI Translation - Wikipedia

    en.wikipedia.org/wiki/IVI_Translation

    Address translation defined in RFC 6052 [4] is a stateless mapping scheme, which embeds IPv4 address in network specific IPv6 prefix and forms IPv4-converted and IPv4-translatable addresses. The IPv4-converted IPv6 addresses are the IPv6 addresses used to represent IPv4 nodes in an IPv6 network. The IPv4-translatable IPv6 addresses are the IPv6 ...

  6. Reserved IP addresses - Wikipedia

    en.wikipedia.org/wiki/Reserved_IP_addresses

    In the Internet addressing architecture, the Internet Engineering Task Force (IETF) and the Internet Assigned Numbers Authority (IANA) have reserved various Internet Protocol (IP) addresses for special purposes.

  7. Address Resolution Protocol - Wikipedia

    en.wikipedia.org/wiki/Address_Resolution_Protocol

    The Address Resolution Protocol (ARP) is a communication protocol used for discovering the link layer address, such as a MAC address, associated with a given internet layer address, typically an IPv4 address. This mapping is a critical function in the Internet protocol suite. ARP was defined in 1982 by RFC 826, which is Internet Standard STD 37.

  8. Address family identifier - Wikipedia

    en.wikipedia.org/wiki/Address_family_identifier

    Examples of address families include 32-bit IPv4 addresses, 128-bit IPv6 addresses, X.121 addresses used by the X.25 protocol suite, E.164 telephone numbers, and F.69 Telex addresses. [1] Address family identifiers are used in communications protocols and APIs that support multiple network address schemes, including routing protocols such as ...

  9. Virtual IP address - Wikipedia

    en.wikipedia.org/wiki/Virtual_IP_address

    A VIP address can be used to provide nearly unlimited mobility. For example, if an application has an IP address on a physical subnet, that application can be moved only to a host on that same subnet. VIP addresses can be advertised on their own subnet, [a] so its application can be moved anywhere on the reachable network without changing ...