IPv6 Plug Play with Prefix Delegation Part 1 How Prefix Delegation Came Into Play Part 2 Proposals to Make Prefix Delegation a Reality

Part1 Part 2

IPv6 Programming in 5 minutes in IPv6Style

Use DNS record to check dual stack:

1. Try accessing the IPv6 address written in the AAAA record.

2. If an attempt to connect using IPv6 fails, try accessing the IPv4 address written in the A record. Use address family independent function: getaddrinfo()