On Wed, Mar 04, 2009 at 02:09:22PM +0000, Tony Finch wrote: > It seems that Vista implements RFC 3484 address selection, including the > requirement to sort IP addresses. This breaks a great deal of operational > dependence on DNS-based load balancing, as well as being based on an > incorrect understanding of how IP addresses are allocated. > > RFC 3484 needs to be updated to delete this rule, so that the order > returned from the DNS is honoured when the client has no better knowledge > about which address is appropriate. > > See > http://drplokta.livejournal.com/109267.html > http://www.ietf.org/mail-archive/web/ietf/current/msg51874.html > http://www.ietf.org/mail-archive/web/discuss/current/msg01035.html > http://www.ietf.org/mail-archive/web/dnsop/current/msg05847.html > http://lists.debian.org/debian-ctte/2007/11/msg00029.html The issue is mentioned in: http://www.watersprings.org/pub/id/draft-arifumi-6man-rfc3484-revise-00.txt "2.5. To disable or restrict RFC 3484 Section 6 Rule 9 There was a discussion at v6ops and ietf@xxxxxxxx mailing lists that the rule 9 of the destination address selection has a serious adverse effect on the round robin DNS technique...." However the above has expired. Perhaps Arifumi will issue a new version before the upcoming cutoff. -- Tim _______________________________________________ Ietf@xxxxxxxx https://www.ietf.org/mailman/listinfo/ietf