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Why don't they use IPv4 with CGNAT in addition to IPv6? That's what the US providers do.
by jaywalk 5y ago
Why don't they use IPv4 with CGNAT in addition to IPv6? That's what the US providers do.
- ajsnigrutin 5y agoYou don't need two nats, you don't have to track two types of ip addresses per customer, for most of the traffic, you don't even need nat at all (youtube, facebook, etc, all support native ipv6), and statless nat64 can be simpler and less resource intensive than cgnat
- wmf 5y agoNAT64 and NAT44 are both forms of CGNAT; NAT64 can be simpler to deploy.