What are IPv6 and IPv4, and what are their differences?
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IPv4 (Internet Protocol version 4) and IPv6 (Internet Protocol version 6) are both protocols used to identify and route data packets across the internet.
IPv4, introduced in the 1980s, uses a 32-bit address scheme, allowing for approximately 4.3 billion unique addresses. However, with the rapid growth of internet-connected devices, this address space has become depleted, leading to the development of IPv6.
IPv6, introduced to address the limitations of IPv4, uses a 128-bit address scheme, providing an almost limitless number of unique addresses (approximately 340 undecillion). Additionally, IPv6 offers improved security, better support for mobile devices, and more efficient routing compared to IPv4. Despite the advantages of IPv6, widespread adoption has been slow due to the need for infrastructure upgrades and compatibility issues with older systems.