Timeline milestone
World IPv6 Launch makes the next Internet protocol permanent
From How the Internet Was Built: From Four Computers to a Global Network
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Infrastructure
World IPv6 Launch makes the next Internet protocol permanent
Major networks, websites and equipment makers permanently enabled IPv6 to expand address capacity beyond IPv4.
IPv4 provides roughly 4.3 billion unique addresses, a limit strained by computers, phones and connected devices. IPv6 supplies a vastly larger space. The 2012 launch was a deployment milestone rather than the protocol’s invention, and adoption has remained gradual and uneven.