> I found measurement results on this website: > http://hide.dnsalias.net/aaaa/worldipv6day.cgi Some more results: http://www.wand.net.nz/~mluckie/ipv6day/ and (semi-related) a PR with a patch for PMTUD problems that was filed 15 months ago http://www.freebsd.org/cgi/query-pr.cgi?pr=145733