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<p class="MsoNormal"><span lang="EN-US" style="color:#1F497D">I have setup IPv6 environment and use test-v6.com to make some tests.<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="color:#1F497D">I have some suggestions according to my test results:<o:p></o:p></span></p>
<p class="MsoListParagraph" style="margin-left:18.0pt;mso-para-margin-left:0gd;text-indent:-18.0pt;mso-list:l0 level1 lfo1">
<![if !supportLists]><span lang="EN-US" style="color:#1F497D"><span style="mso-list:Ignore">1.<span style="font:7.0pt "Times New Roman"">
</span></span></span><![endif]><span lang="EN-US" style="color:#1F497D">In section 6, for the example result for “624-6to4”, I suggestion to use <2002:c000:0201::c000:0201> for the IPv6 address, instead of original <2001:db8::1>.<o:p></o:p></span></p>
<p class="MsoListParagraph" style="margin-left:18.0pt;mso-para-margin-left:0gd"><span lang="EN-US" style="color:#1F497D"><2002:c000:0201::c000:0201> is derived from “2002::/16+ <192.0.2.1>”, which I think is more easily understood by users.<o:p></o:p></span></p>
<p class="MsoListParagraph" style="margin-left:18.0pt;mso-para-margin-left:0gd;text-indent:-18.0pt;mso-list:l0 level1 lfo1">
<![if !supportLists]><span lang="EN-US" style="color:#1F497D"><span style="mso-list:Ignore">2.<span style="font:7.0pt "Times New Roman"">
</span></span></span><![endif]><span lang="EN-US" style="color:#1F497D">In section 6, Interpretation for “624-6to4”, I have questions about the sentence: “Any web site that has an IPv6 presence, will be reached using 6to4 instead of native IPv4”<o:p></o:p></span></p>
<p class="MsoListParagraph" style="margin-left:18.0pt;mso-para-margin-left:0gd"><span lang="EN-US" style="color:#1F497D">I use win 7 with only IPv4 address configured, and thus 6to4 works. Then, I add an IPv6 default route to 6to4 relay router (anycast). The
test result show that<o:p></o:p></span></p>
<p class="MsoListParagraph" style="margin-left:18.0pt;mso-para-margin-left:0gd"><span lang="EN-US" style="color:#1F497D">* IPv4 is preferred rather than Ipv6 6to4 (Only when connecting to IPv6-only servers, IPv6 6to4 will be used)<o:p></o:p></span></p>
<p class="MsoListParagraph" style="margin-left:18.0pt;mso-para-margin-left:0gd"><span lang="EN-US" style="color:#1F497D">* The test result of using test-v6.com show 624 (Help desk code)<o:p></o:p></span></p>
<p class="MsoListParagraph" style="margin-left:18.0pt;mso-para-margin-left:0gd"><span lang="EN-US" style="color:#1F497D">So, I think the interpretation does not match the real condition.<o:p></o:p></span></p>
<p class="MsoListParagraph" style="margin-left:18.0pt;mso-para-margin-left:0gd"><span lang="EN-US" style="color:#1F497D"><o:p> </o:p></span></p>
<p class="MsoListParagraph" style="margin-left:18.0pt;mso-para-margin-left:0gd"><span lang="EN-US" style="color:#1F497D">The following is my test result and give you as a reference (if gif can be accepted and shown):<o:p></o:p></span></p>
<p class="MsoListParagraph" style="margin-left:18.0pt;mso-para-margin-left:0gd"><span lang="EN-US" style="color:#1F497D"><img width="772" height="373" id="圖片_x0020_1" src="cid:image001.jpg@01D07219.541E38C0" alt="cid:image001.jpg@01D06BAB.3047DCE0"></span><span lang="EN-US" style="color:#1F497D"><o:p></o:p></span></p>
<p class="MsoListParagraph" style="margin-left:18.0pt;mso-para-margin-left:0gd"><span lang="EN-US" style="color:#1F497D"><img width="760" height="495" id="物件_x0020_2" src="cid:image002.png@01D07219.541E38C0" alt="cid:image002.png@01D06BAB.3047DCE0"></span><span lang="EN-US" style="color:#1F497D"><o:p></o:p></span></p>
<p class="MsoListParagraph" style="margin-left:18.0pt;mso-para-margin-left:0gd"><span lang="EN-US" style="color:#1F497D"><o:p> </o:p></span></p>
<p class="MsoListParagraph" style="margin-left:6.0pt;mso-para-margin-left:.5gd"><span lang="EN-US" style="color:#1F497D">Regards<o:p></o:p></span></p>
<p class="MsoListParagraph" style="margin-left:6.0pt;mso-para-margin-left:.5gd"><span lang="EN-US" style="color:#1F497D">Yann-Ju<o:p></o:p></span></p>
<p class="MsoListParagraph" style="margin-left:6.0pt;mso-para-margin-left:.5gd"><span lang="EN-US" style="color:#1F497D">ChungHwa Telecom. Co.<o:p></o:p></span></p>
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