IPv6 is the latest version of the Internet Protocol, designed to replace IPv4 due to the exhaustion of available IPv4 addresses.

IPv6 provides a vastly larger address space by using 128-bit addresses instead of the 32-bit format used by IPv4.

This means IPv6 can support approximately 340 undecillion (3.4 x 10³⁸) unique addresses, which is enough to assign an IP address to every device on earth and beyond.

Besides the larger address space, IPv6 introduces improvements like simplified packet headers, built-in security features (IPSec), and better support for mobile devices.

IPv6 operates alongside IPv4 during the transition period, as many networks and devices still rely on IPv4.

However, IPv6 is increasingly important for modern networking due to the explosive growth of internet-connected devices, including smartphones, IoT devices, and smart home appliances.

IPv6 also supports more efficient routing and reduces the need for Network Address Translation (NAT), allowing devices to communicate more directly over the internet.

As more organizations adopt IPv6, it plays a crucial role in ensuring the continued growth and scalability of the global internet.

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