Yes, from one NAT IP using the same protocol to a single public IP using a particular port. Change any of those and you can do 2^16 concurrent connections more per change. In other words, NAT works on the five-tuple of:…
This view I could endorse.
IPv6 support is such a low bar. Now try IPv6 support and feature complete without bugs and get back to me. I’ll wait.
None of those are arguments for why IPv4 or CGNAT costs are optional; you cannot run an ISP without IPv4 or CGNAT, therefore the IPv4 or CGNAT costs are not optional. You will incur them regardless of if you deploy IPv6…
Yes, from one NAT IP using the same protocol to a single public IP using a particular port. Change any of those and you can do 2^16 concurrent connections more per change. In other words, NAT works on the five-tuple of:…
This view I could endorse.
IPv6 support is such a low bar. Now try IPv6 support and feature complete without bugs and get back to me. I’ll wait.
None of those are arguments for why IPv4 or CGNAT costs are optional; you cannot run an ISP without IPv4 or CGNAT, therefore the IPv4 or CGNAT costs are not optional. You will incur them regardless of if you deploy IPv6…