Date: Wed, 22 Sep 2010 12:01:48 -0700 From: Chuck Swiger <cswiger@mac.com> To: Diane Bruce <db@db.net> Cc: "freebsd-stable@freebsd.org List" <freebsd-stable@freebsd.org> Subject: Re: BIND9 built w/--disable-ipv6 on 8.1-STABLE Message-ID: <9FF55FD3-4168-471B-A7C1-2D23880F3091@mac.com> In-Reply-To: <20100921193101.GA95238@night.db.net> References: <4C98F433.6070506@FreeBSD.org> <20100921191517.AF60A1CC3D@ptavv.es.net> <20100921193101.GA95238@night.db.net>
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Hi-- On Sep 21, 2010, at 12:31 PM, Diane Bruce wrote: [ ... ] >> Doug Barton <dougb@FreeBSD.org> wrote: >> If I'm still alive when IPv6 is the norm and IPv4 is the exception, I >> promise to give it another look. :) > > IPv6 is more prevalent than you think. I can't understand the illogic of turning it off. Well, I can't understand illogic either, but it's not too hard to obtain data about the issue and make rational decisions about IPv6 vs. IPv4 networking. :-) http://www.ripe.net/ripe/meetings/ripe-57/presentations/Colitti-Global_IPv6_statistics_-_Measuring_the_current_state_of_IPv6_for_ordinary_users_.7gzD.pdf Quoting from page 5: "* 0.238% of users have useful IPv6 connectivity (and prefer IPv6) * 0.09% of users have broken IPv6 connectivity That is, adding an AAAA record will make these users unable to view your site" Approximately 2 or 3 users per thousand prefer IPv6, and approximately 38% of these IPv6 users have broken connectivity, as of [2008]. Regards, -- -Chuck PS: Taken from a NetBSD thread here: http://mail-index.netbsd.org/tech-net/2009/12/04/msg001762.html
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