We will want to use IPv6 in the product but we have a US federal requirement (DoD UCR available online) to provide a happy eyeballs solution where preference is given to IPv4 addresses rather than IPv6. This will be provided via configuration in the application.
Thanks, Alan On 03/09/2015 12:42, "curl-library on behalf of Björn Stenberg" <[email protected] on behalf of [email protected]> wrote: >Alan Cronin (alcronin) wrote: >> The reason for making this change is that we have some customers who are >> still using IPv4 and are trialling IPv6 but do not want any traffic >>going >> to those (IPv6) servers during this time. However the DNS server will >> still return A and AAAA records. > >If you don't want IPv6 traffic, why is option "-4" not sufficient? > >What practical difference would a "--happy-prefer-ipv4" option provide >over the "-4" option? > >-- >Björn >------------------------------------------------------------------- >List admin: http://cool.haxx.se/list/listinfo/curl-library >Etiquette: http://curl.haxx.se/mail/etiquette.html ------------------------------------------------------------------- List admin: http://cool.haxx.se/list/listinfo/curl-library Etiquette: http://curl.haxx.se/mail/etiquette.html
