What is IPV4?

IPV4 is an acronym for Internet Protocol Version4. It is the first most widely deployed version of Internet Protocol although it is the fourth version in the series of IP development. IPV4 is referred to as RFC 791 of September 1981 as per its description in IETF publication and replaces the earlier version RFC 760 of January 1980. In the context of network communication IPV4 is used for identification and connection of devices to the Internet. IPV4 does not assure delivery as well as duplicate delivery of the communication and these factors are managed by upper layer transport. IPV4 is used in packet switched layered communication networks and is a connectionless protocol.

It is used in Ethernet and can be configured for all devices in multiple ways. It can be configured manually as well as automatically. There are five classes of IPV4 named as A, B, C, D, and E. It uses 32 bit addresses for communication in Internet by using the five classes mentioned above. IPV4 can address as many as 2^32 addresses. Although IPV4 address is a set of binary numbers, it can be stored in the form of text for human use. IPV4 is written in the form of four numbers separated by decimals. A web hosting provider can provide unique IP addresses.

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