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	<title>Comments on: IPv6 considered a problem by some users</title>
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	<description>Random thoughts about the Internet and life</description>
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		<title>By: Patrick</title>
		<link>http://patrick.vande-walle.eu/internet/ipv6/ipv6-considered-a-problem-by-some-users/comment-page-1/#comment-23155</link>
		<dc:creator>Patrick</dc:creator>
		<pubDate>Fri, 08 Aug 2008 06:42:16 +0000</pubDate>
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		<description>Franck,

If you have IPv6 on all the time, I am surprised your connection to this IPv6-enabled blog was with IPv4 ;-). This would tend to demonstrate that transparent, failproof IPv6 connectivity is still not there. 

My experience with IPv6 on one of my children&#039;s Vista box can be summarized as follows:

- Plain, unconfigured IPv6 stack: Slower browsing experience in general, some unreachable sites from time to time
- IPv6 with configured Teredo tunnel: still on the slow side, but no more unreachable sites.
- IPv6 turned off: best browsing experience. 

On my Mac, I only turn IPv6 on during ICANN or IETF meetings. In other environments, including my DSL connection at home, it tends to slow things down. On my wife&#039;s Kubuntu box, IPv6 is off, too.

Bad implementation at the OS level is one only of the reasons. It looks like there are also issues with home routers, and especially their built-in DNS resolver which cannot handle EDNS0 or choke on AAAA records.</description>
		<content:encoded><![CDATA[<p>Franck,</p>
<p>If you have IPv6 on all the time, I am surprised your connection to this IPv6-enabled blog was with IPv4 <img src='http://patrick.vande-walle.eu/wp-includes/images/smilies/icon_wink.gif' alt=';-)' class='wp-smiley' /> . This would tend to demonstrate that transparent, failproof IPv6 connectivity is still not there. </p>
<p>My experience with IPv6 on one of my children&#8217;s Vista box can be summarized as follows:</p>
<p>- Plain, unconfigured IPv6 stack: Slower browsing experience in general, some unreachable sites from time to time<br />
- IPv6 with configured Teredo tunnel: still on the slow side, but no more unreachable sites.<br />
- IPv6 turned off: best browsing experience. </p>
<p>On my Mac, I only turn IPv6 on during ICANN or <a target="_blank" href="http://www.ietf.org">IETF</a> meetings. In other environments, including my DSL connection at home, it tends to slow things down. On my wife&#8217;s <a target="_blank" href="http://www.kubuntu.org">Kubuntu</a> box, IPv6 is off, too.</p>
<p>Bad implementation at the OS level is one only of the reasons. It looks like there are also issues with home routers, and especially their built-in DNS resolver which cannot handle EDNS0 or choke on AAAA records.</p>
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		<title>By: Franck Martin</title>
		<link>http://patrick.vande-walle.eu/internet/ipv6/ipv6-considered-a-problem-by-some-users/comment-page-1/#comment-23149</link>
		<dc:creator>Franck Martin</dc:creator>
		<pubDate>Fri, 08 Aug 2008 03:24:21 +0000</pubDate>
		<guid isPermaLink="false">http://patrick.vande-walle.eu/?p=314#comment-23149</guid>
		<description>I don&#039;t have this problem with Mandriva, I have my IPv6 on all the time, that when I go to a network using IPv6 and IPv4 I&#039;m surprised to access sites with IPv6, without knowing.

So yes bad implementation on many systems.</description>
		<content:encoded><![CDATA[<p>I don&#8217;t have this problem with Mandriva, I have my IPv6 on all the time, that when I go to a network using IPv6 and IPv4 I&#8217;m surprised to access sites with IPv6, without knowing.</p>
<p>So yes bad implementation on many systems.</p>
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		<title>By: Michele</title>
		<link>http://patrick.vande-walle.eu/internet/ipv6/ipv6-considered-a-problem-by-some-users/comment-page-1/#comment-23129</link>
		<dc:creator>Michele</dc:creator>
		<pubDate>Thu, 07 Aug 2008 16:39:56 +0000</pubDate>
		<guid isPermaLink="false">http://patrick.vande-walle.eu/?p=314#comment-23129</guid>
		<description>It&#039;s the bad implementation. In Ubuntu for example, if you leave ipv6 on it will try to establish an ipv6 connection - regardless if you have one available or not - and by the time it times out you&#039;ve already lost time</description>
		<content:encoded><![CDATA[<p>It&#8217;s the bad implementation. In <a target="_blank" href="http://www.ubuntu.com">Ubuntu</a> for example, if you leave ipv6 on it will try to establish an ipv6 connection &#8211; regardless if you have one available or not &#8211; and by the time it times out you&#8217;ve already lost time</p>
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