Beyond dual-stack, tunneling carries IPv6 over IPv4 networks. , Teredo, and ISATAP create automatic tunnels. NAT64 translates between protocols, letting IPv6-only clients reach IPv4 servers. DNS64 synthesizes AAAA records for IPv4-only destinations. Most enterprises start with dual-stack on core infrastructure, then expand outward. Pure IPv6 networks are still rare but growing in mobile and data center environments.
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$ curl repovive.com/roadmaps/network-design/ip-addressing-and-subnetting/ipv6-transition-strategies
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