Information Technology

Gartner Glossary

Internet Protocol Version 6 (IPv6)

Internet Protocol version 6 (IPv6) is the next version of Internet Protocol (IP), designed to overcome several key limitations of IP version 4 (IPv4), the most widely used networking protocol. The main benefits of IPv6 are vastly increased address space, integrated security and quality-of-service mechanisms, as well as support for autoconfiguration and mobility. In addition, large network operators may see better routing stability as platforms mature.

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