Internet Protocol version 4 (IPv4) is the first version of the Internet Protocol (IP) as a standalone specification. It is one of the core protocols of...
44 KB (5,547 words) - 21:49, 21 August 2024
IPv6 (redirect from IPv4-compatible address)
to deal with the long-anticipated problem of IPv4 address exhaustion, and was intended to replace IPv4. In December 1998, IPv6 became a Draft Standard...
61 KB (7,700 words) - 09:30, 27 August 2024
Classless Inter-Domain Routing (redirect from IPv4 subnetting reference)
on routers across the Internet, and to help slow the rapid exhaustion of IPv4 addresses. IP addresses are described as consisting of two groups of bits...
32 KB (3,167 words) - 15:03, 21 August 2024
IPv4 address exhaustion is the depletion of the pool of unallocated IPv4 addresses. Because the original Internet architecture had fewer than 4.3 billion...
64 KB (6,414 words) - 13:22, 18 July 2024
IP address (section IPv4 addresses)
version 4 (IPv4) defines an IP address as a 32-bit number. However, because of the growth of the Internet and the depletion of available IPv4 addresses...
35 KB (4,203 words) - 16:52, 6 August 2024
User Datagram Protocol (redirect from IPv4 pseudo header)
(16 bits): The use of the checksum and source port fields is optional in IPv4 (pink background in table). In IPv6 only the source port field is optional...
24 KB (2,717 words) - 16:50, 6 August 2024
List of IP protocol numbers (redirect from List of IPv4 protocol numbers)
is a list of the IP protocol numbers found in the field Protocol of the IPv4 header and the Next Header field of the IPv6 header. It is an identifier...
20 KB (120 words) - 15:21, 21 August 2024
Private network (section Private IPv4 addresses)
networks (LANs) in residential, office, and enterprise environments. Both the IPv4 and the IPv6 specifications define private IP address ranges. Most Internet...
11 KB (1,541 words) - 09:48, 23 August 2024
IPv6 address (section Transition from IPv4)
infrastructure of the Internet, Internet Protocol version 4 (IPv4). In contrast to IPv4, which defined an IP address as a 32-bit value, IPv6 addresses...
62 KB (8,466 words) - 19:03, 20 August 2024
Multicast address (redirect from IPv4 multicast address)
layer (layer 3 for OSI) for Internet Protocol Version 4 (IPv4) or Version 6 (IPv6) multicast. IPv4 multicast addresses are defined by the most-significant...
23 KB (2,264 words) - 13:18, 12 August 2024
Reserved IP addresses (section IPv4)
reserved various Internet Protocol (IP) addresses for special purposes. IPv4 designates special usage or applications for various addresses or address...
1 KB (707 words) - 09:21, 7 March 2024
by doing so, alleviating the demand for the last remaining IPv4 addresses, a /10 size IPv4 address block was assigned by Internet Assigned Numbers Authority...
5 KB (781 words) - 13:36, 17 July 2024
NAT64 (redirect from IPv4-embedded IPv6 addresses)
communication between IPv6 and IPv4 hosts by using a form of network address translation (NAT). The NAT64 gateway is a translator between IPv4 and IPv6 protocols...
6 KB (673 words) - 08:20, 2 July 2024
IPv6 over IPv4 tunneling protocol, requires that the tunnel endpoint have a public IPv4 address. However, many hosts currently attach to the IPv4 Internet...
27 KB (3,433 words) - 14:36, 20 December 2023
Internet checksum (redirect from IPv4 header checksum)
called the IPv4 header checksum is a checksum used in version 4 of the Internet Protocol (IPv4) to detect corruption in the header of IPv4 packets. It...
5 KB (730 words) - 19:47, 27 August 2024
Link-local address (section IPv4)
not all unicast; e.g. IPv6 addresses beginning with ff02: (ff02::/16), and IPv4 addresses beginning with 224.0.0. (224.0.0.0/24) are multicast addresses...
7 KB (1,106 words) - 06:03, 17 August 2024
to as TCP/IP. The first major version of IP, Internet Protocol version 4 (IPv4), is the dominant protocol of the Internet. Its successor is Internet Protocol...
21 KB (2,071 words) - 11:15, 24 August 2024
Some large /8 blocks of IPv4 addresses, the former Class A network blocks, are assigned in whole to single organizations or related groups of organizations...
32 KB (1,412 words) - 23:03, 19 May 2024
This is a list of countries by IPv4 address allocation, as of 2 April 2012[update]. It includes 252 areas, including all United Nations member states,...
22 KB (226 words) - 00:41, 17 June 2024
of an IPv4 network. It is defined in the informational RFC 5214. Unlike 6over4 (an older similar protocol using IPv4 multicast), ISATAP uses IPv4 as a...
4 KB (430 words) - 23:11, 22 July 2024
Carrier-grade NAT (category IPv4)
NAT (LSN), is a type of network address translation (NAT) used by ISPs in IPv4 network design. With CGNAT, end sites, in particular residential networks...
7 KB (869 words) - 14:51, 22 July 2024
MAC address, associated with a given internet layer address, typically an IPv4 address. This mapping is a critical function in the Internet protocol suite...
22 KB (2,860 words) - 06:11, 24 April 2024
version 4 (IPv4) infrastructure in use since 1983 to the successor addressing and routing system of Internet Protocol Version 6 (IPv6). As IPv4 and IPv6...
24 KB (3,079 words) - 21:17, 18 August 2024
IP fragmentation (section IPv4 and IPv6 differences)
the overall architectural approach to fragmentation, are different between IPv4 and IPv6. RFC 791 describes the procedure for IP fragmentation, and transmission...
7 KB (803 words) - 08:36, 25 April 2024
IPv4 Residual Deployment (4rd) is an IPv6 transition mechanism for Internet service providers for deployment of Internet Protocol version 6 (IPv6), while...
11 KB (1,376 words) - 06:38, 11 January 2024
Multihoming (redirect from IPv4 multihoming)
administration[citation needed]. Classic multihoming is the dominant technique for IPv4. This requires that a network have its own public IP address range and a...
12 KB (1,429 words) - 09:17, 14 August 2024
Dot-decimal notation (section IPv4 address)
(decimal) numbers. In computer networking, Internet Protocol Version 4 (IPv4) addresses are commonly written using the quad-dotted notation of four decimal...
11 KB (1,168 words) - 14:45, 30 January 2024
IPv6 deployment (section Coexistence with IPv4)
mid-2000s. IPv6 was designed as the successor protocol for IPv4 with an expanded addressing space. IPv4, which has been in use since 1982, is in the final stages...
140 KB (12,009 words) - 20:17, 25 August 2024
Internet Protocol version 4 (IPv4), but its successor, IPv6, has been increasingly deployed since approximately 2006. An IPv4 address consists of 32 bits...
26 KB (3,106 words) - 19:01, 15 August 2024
Martian packet (section IPv4 and IPv6)
packet from Mars, meaning that packet seems to be not of this Earth. In both IPv4 and IPv6, a Martian packet has a source address, a destination address, or...
5 KB (531 words) - 11:19, 4 June 2024