<html><body><div style="color:#000; background-color:#fff; font-family:Helvetica Neue-Light, Helvetica Neue Light, Helvetica Neue, Helvetica, Arial, Lucida Grande, Sans-Serif;font-size:16px"><div dir="ltr" id="yui_3_16_0_1_1427412496404_20686"><br></div> <div style="font-family: Helvetica Neue-Light, Helvetica Neue Light, Helvetica Neue, Helvetica, Arial, Lucida Grande, Sans-Serif; font-size: 16px;" id="yui_3_16_0_1_1427412496404_20602"> <div style="font-family: HelveticaNeue, Helvetica Neue, Helvetica, Arial, Lucida Grande, Sans-Serif; font-size: 16px;" id="yui_3_16_0_1_1427412496404_20601"> <div dir="ltr" id="yui_3_16_0_1_1427412496404_20600"> <hr size="1" id="yui_3_16_0_1_1427412496404_20989"> <font size="2" face="Arial" id="yui_3_16_0_1_1427412496404_20599"> <b id="yui_3_16_0_1_1427412496404_20598"><span style="font-weight:bold;" id="yui_3_16_0_1_1427412496404_20597">From:</span></b> Mark Andrews <marka@isc.org><br> <b><span style="font-weight: bold;">To:</span></b> Noel Butler <noel.butler@ausics.net> <br><b><span style="font-weight: bold;">Cc:</span></b> ausnog@lists.ausnog.net <br> <b><span style="font-weight: bold;">Sent:</span></b> Friday, 27 March 2015, 2:27<br> <b><span style="font-weight: bold;">Subject:</span></b> Re: [AusNOG] IPv6<br> </font> </div> <div class="y_msg_container" id="yui_3_16_0_1_1427412496404_20603"><br><br clear="none">In message <<a shape="rect" ymailto="mailto:72fbb5e21eb9245bccc5791ec31c6922@ausics.net" href="mailto:72fbb5e21eb9245bccc5791ec31c6922@ausics.net" id="yui_3_16_0_1_1427412496404_21170">72fbb5e21eb9245bccc5791ec31c6922@ausics.net</a>>, Noel Butler writes:<br clear="none"><snip><br clear="none"><br clear="none">> I run v6 at home courtesy of HE, have done for a while, my mrtg graphs<br clear="none">> dont get above a few hundred kB a day for v6 traffic - mostly to google<br clear="none">> I dare say, hell, not even twitter goes via 6, and IDGAF about<br clear="none">> faecesbook so no traffic goes any direction near that hole. <br clear="none"><br clear="none">Pick a tunnel end point / broker closer to you or turn off Happy<br clear="none">Eyeballs. This is measuring IPv4 native vs IPv6 tunneled to the<br clear="none">other side of the Pacific if you are using the topologically closest<br clear="none">HE end point. It is not measuring IPv4 native vs IPv6 native.</div><div class="y_msg_container" id="yui_3_16_0_1_1427412496404_20603"><br></div><div class="y_msg_container" id="yui_3_16_0_1_1427412496404_20603"><div dir="ltr" id="yui_3_16_0_1_1427412496404_20686" style="font-family: 'Helvetica Neue-Light', 'Helvetica Neue Light', 'Helvetica Neue', Helvetica, Arial, 'Lucida Grande', sans-serif;" class=""><span id="yui_3_16_0_1_1427412496404_20687" class="" style="">/ To make Mark's point slightly clearer, native IPv4 has been preferred over tunnelled IPv6 for many years - IIRC I encountered this change in preference in around 2008 under Linux. This is a reasonable default, tunnelled IPv6 is commonly not going to be as good as native IPv4.</span></div><div dir="ltr" id="yui_3_16_0_1_1427412496404_20686" style="font-family: 'Helvetica Neue-Light', 'Helvetica Neue Light', 'Helvetica Neue', Helvetica, Arial, 'Lucida Grande', sans-serif;" class=""><br class="" style=""></div><div dir="ltr" id="yui_3_16_0_1_1427412496404_20686" style="font-family: 'Helvetica Neue-Light', 'Helvetica Neue Light', 'Helvetica Neue', Helvetica, Arial, 'Lucida Grande', sans-serif;" class=""><span id="yui_3_16_0_1_1427412496404_21093" class="" style="">/ Under Linux, the address selection preferences can be changed using gai.conf(5).</span></div><div dir="ltr" id="yui_3_16_0_1_1427412496404_20686" style="font-family: 'Helvetica Neue-Light', 'Helvetica Neue Light', 'Helvetica Neue', Helvetica, Arial, 'Lucida Grande', sans-serif;" class=""><br class="" style=""></div><div dir="ltr" id="yui_3_16_0_1_1427412496404_20686" style="font-family: 'Helvetica Neue-Light', 'Helvetica Neue Light', 'Helvetica Neue', Helvetica, Arial, 'Lucida Grande', sans-serif;" class="">/ If you change that preference or have native IPv6 connectivity, all or most of your Google traffic (including Youtube), Facebook and now Netflix traffic will come over IPv6.</div><div class="" style="" id="yui_3_16_0_1_1427412496404_21231"><br class="" style=""></div></div><div class="y_msg_container" id="yui_3_16_0_1_1427412496404_20603"><br></div><div class="y_msg_container" id="yui_3_16_0_1_1427412496404_20603"><br clear="none"><br clear="none">Mark<br clear="none">-- <br clear="none">Mark Andrews, ISC<br clear="none">1 Seymour St., Dundas Valley, NSW 2117, Australia<br clear="none">PHONE: +61 2 9871 4742 INTERNET: <a shape="rect" ymailto="mailto:marka@isc.org" href="mailto:marka@isc.org">marka@isc.org</a><div class="qtdSeparateBR"><br><br></div><div class="yqt9634772158" id="yqtfd75510"><br clear="none">_______________________________________________<br clear="none">AusNOG mailing list<br clear="none"><a shape="rect" ymailto="mailto:AusNOG@lists.ausnog.net" href="mailto:AusNOG@lists.ausnog.net">AusNOG@lists.ausnog.net</a><br clear="none"><a shape="rect" href="http://lists.ausnog.net/mailman/listinfo/ausnog" target="_blank">http://lists.ausnog.net/mailman/listinfo/ausnog</a><br clear="none"></div><br><br></div> </div> </div> </div></body></html>