> If the IPv6 connectivity to those destinations > is poor while the IPv4 connectivity is better (i.e., the IPv6 traffic > experiences higher latency, lower throughput, or more lost packets > than IPv4 traffic), applications will still communicate over IPv6 at > the expense of network performance. There is no information > available to applications in this case to advise them to try another > destination address. > >This is why a good implementation will permit address selection to be >configured and dynamically too.
FYI, I had proposed dynamic configuration of address selection policy table using RA's in http://www.ietf.org/internet-drafts/draft-cpatel-ipv6-automated-policy-table-c fg-00.txt. CP -------------------------------------------------------------------- IETF IPv6 working group mailing list [EMAIL PROTECTED] Administrative Requests: https://www1.ietf.org/mailman/listinfo/ipv6 --------------------------------------------------------------------