
310 Part Two • IPv6 Protocols
potential problems inherent in A6. However, ultimately, the choice seems
clear: Since data retrieval is a much more frequent task than data update,
and since AAAA simplifies retrieval, for the moment the IPv6 Internet will
continue to support AAAA as the default resource record for DNS.
18.5 Naming IPv6 Domains
No discussion of IPv6 and DNS would be complete without a brief
discussion of the issues of naming IPv6 domains. Depending on how
the domains are to be used, decisions must be made regarding how
IPv6 domains should be named, particularly in relation to existing IP4
domains.
One option is probably more appropriate if ...