IPv4 and IPv6 are versions of the Internet Protocol (IP), which is used to uniquely address devices on the Internet. IPv4 uses 32-bit addresses and provides approximately 4.3 billion unique addresses, while IPv6 uses 128-bit addresses and provides a virtually unlimited number of unique addresses for the modern Internet.
The main purpose of IPv4 and IPv6 is to ensure the correct routing of data between computers, servers, and other devices. IPv6 was designed to address the limited number of IPv4 addresses and supports modern networking standards, including secure data transmission and routing optimization.
In the IT context, IPv4 and IPv6 are used to configure servers, hosting, domains, and network infrastructure. They are critical for the stable operation of websites, web applications, and any online services that require unique identification of devices on the network.
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