NAT | IPv6 only | v4/v6 dual stack | A+P approach | CGN (ds-lite) | ||||
Works with current IPv4 Internet | partially | no | yes | yes | partially (same as NAT) | |||
Additional customers with v4 access can be added after exhaustion | no | n/a | no | yes | yes | |||
Requires protocol translation to access v4 content (ALG) | no | yes | no | no | no | |||
Costly to Implement | no | no | no | yes | yes | |||
Requires Gateway Devices | yes | no | no | yes | yes | |||
Complex for deployment | no | yes | no | yes | yes | |||
Requires Changes on Hosts | no | yes | no | no | no | |||
end2end connectivity | no | yes | yes | yes | no | |||
Will extend the life of v4 | no | no | no | yes | yes | |||
Will encourage v6 deployment | no | yes | yes | yes | maybe | |||
Is scalable | partially | yes | yes | yes | no | |||
Works with ipsec | no | yes | yes | no | no | |||
Customer controls the way of translation in CPE | yes | n/a | yes | yes | no | |||
Handles ICMP echo | outgoing ping only | yes | yes | outgoing ping only | outgoing ping only | |||
Handles ICMP (other types) | yes | yes | yes | yes | yes | |||
Customer can get incoming WKP (well known ports) | yes | yes | yes | yes | no | |||
Handles port randomisation | yes | yes | yes | partially (within the allocated port range) | yes | |||
Applause | ||||||||
Neutral | ||||||||
Mnjah... | ||||||||
No way... |