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Turk Telekom will participate. <a href="http://www.turktelekom.com.tr">www.turktelekom.com.tr</a> is also available on ipv6.
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<div>Best Regards,</div>
<div>Oktay<br>
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<div>On Jun 1, 2011, at 9:04 PM, Richard Barnes wrote:</div>
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<p>Is anyone on this list planning on doing something special for v6 day? Either participating as a web site or doing some IPv6 enabling on the ISP side?</p>
<p>For our part, BBN will be enabling v6 on <a href="http://www.bbn.com">www.bbn.com</a>, and doing some measurements.</p>
<p>Best,<br>
--Richard</p>
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<blockquote type="cite">On Jun 1, 2011 3:32 AM, "Abdelfattah Abuqayyas" <<a href="mailto:aabuqayyas@citc.gov.sa">aabuqayyas@citc.gov.sa</a>> wrote:<br>
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<h1 style="margin:0in;margin-bottom:.0001pt"><span style="font-size:20.0pt;color:black;background:silver"><a href="http://www.readwriteweb.com/enterprise/2011/05/get-ready-for-world-ipv6-day-n.php" title="Permanent link to Get Ready For World IPv6 Day Next Week" target="_blank"><span style="color:black">Get
Ready For World IPv6 Day Next Week</span></a></span><span style="font-size:20.0pt;color:black"></span></h1>
<p class="MsoNormal" style="text-align:left;line-height:15.75pt;direction:ltr"><span style="font-size:8.5pt;color:#444444">By<span> </span><a href="http://www.readwriteweb.com/enterprise/author/david-strom.php" target="_blank"><b><span style="color:#CC0000">David
Strom</span></b></a><span> </span>/ May 31, 2011 </span></p>
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<span style="font-size:10.5pt;color:black"><span><image001.jpg></span></span></p>
<p style="margin-right:0in;margin-bottom:12.0pt;margin-left:0in;line-height:18.0pt">
<span style="font-size:14.0pt;color:black">Earlier this spring, as anticipated, the last of the IPv4 address blocks was given to the regional Internet registries that dole them out to ISPs and other corporations. Unlike many predictions that go back dozens
of years, we have run out of room. Yes, it will take several months before the world is completely run out of address space, and you might be able to find an unused Class C range here or there. But for the most part, you need to get cracking on a transition
plan for your company to migrate towards IPv6 now.</span></p>
<p style="margin-right:0in;margin-bottom:12.0pt;margin-left:0in;line-height:18.0pt">
<span style="font-size:14.0pt;color:black">Of course, people have been saying this for years now. I recall writing a humorous article back in 1992 or so where I suggested that I start a brokerage service charging for unused address blocks. While it has taken
several decades, we have gotten to the point where the end of IPv4 is near. And unlike the predictions for the Rapture, this is an actual event that will need our attention.</span></p>
<p style="margin-right:0in;margin-bottom:12.0pt;margin-left:0in;line-height:18.0pt">
<span style="font-size:14.0pt;color:black">To highlight this situation, a group of engineers under the auspices of the Internet Society have set aside next Wednesday, June 8th, to test the new protocol for an entire 24-hour period. Various Web properties will
put up IPv6 versions of their sites for the day as demonstrations. And several vendors have begun to assemble copious instructions and advice to help IT network managers figure out their plans.</span></p>
<p style="margin-right:0in;margin-bottom:12.0pt;margin-left:0in;line-height:18.0pt">
<span style="font-size:14.0pt;color:black">What is needed for a successful transition? It is a huge undertaking, not unlike the early establishment of the Internet itself.</span></p>
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<span style="font-size:10.0pt;font-family:Symbol;color:black"><span>·<span style="font:7.0pt "Times New Roman"">
</span></span></span><span dir="LTR"></span><b><span style="font-size:14.0pt;color:black">Internet service providers need to make IPv6 connectivity available to all of their users</span></b><span style="font-size:14.0pt;color:black">. In most cases this means
replacing or upgrading routers and other network switchgear to handle the new protocols.</span></p>
<p class="MsoNormal" style="margin-left:10.5pt;text-align:left;line-height:18.0pt;direction:ltr">
<span style="font-size:10.0pt;font-family:Symbol;color:black"><span>·<span style="font:7.0pt "Times New Roman"">
</span></span></span><span dir="LTR"></span><b><span style="font-size:14.0pt;color:black">Web companies need to offer their services over IPv6.</span></b><span><span style="font-size:14.0pt;color:black"> </span></span><span style="font-size:14.0pt;color:black">We'll
see some of this next Wednesday, when major site operators such as Google, Facebook, Microsoft and Yahoo will provide IPv6 only versions as targets to connect to.</span></p>
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<span style="font-size:10.0pt;font-family:Symbol;color:black"><span>·<span style="font:7.0pt "Times New Roman"">
</span></span></span><span dir="LTR"></span><b><span style="font-size:14.0pt;color:black">Operating system makers may need to implement specific software updates</span></b><span style="font-size:14.0pt;color:black">. Most of the modern desktop OSs include support
for IPv6 (see the screenshot below from a Mac as an example). If you are running an older version of XP or MacOS, this can be an issue.</span></p>
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<span style="font-size:10.0pt;font-family:Symbol;color:black"><span>·<span style="font:7.0pt "Times New Roman"">
</span></span></span><span dir="LTR"></span><b><span style="font-size:14.0pt;color:black">Backbone providers will need to establish IPv6 peering with each other.</span></b><span style="font-size:14.0pt;color:black">This has begun happening, but obviously more
peering is needed, and part of next Wednesday's tests will be to find the non-working links in particular connection paths.</span></p>
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<span style="font-size:10.0pt;font-family:Symbol;color:black"><span>·<span style="font:7.0pt "Times New Roman"">
</span></span></span><span dir="LTR"></span><b><span style="font-size:14.0pt;color:black">Hardware and home gateway manufacturers may need to update firmware to support IPv6.</span></b><span><span style="font-size:14.0pt;color:black"> </span></span><span style="font-size:14.0pt;color:black"><a href="http://www.opendns.com/ipv6/" target="_blank"><span style="color:#CC0000">OpenDNS
has a series of instructions on their site here</span></a><span> </span>to enable their "sandbox" to try out IPv6 support for DNS.</span></p>
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<span style="font-size:14.0pt;color:black">Enterprises have basically four different strategies to follow in implementing IPv6:</span></p>
<p class="MsoNormal" style="margin-left:27.75pt;text-align:left;line-height:18.0pt;direction:ltr">
<span style="font-size:14.0pt;color:black"><span>1.<span style="font:7.0pt "Times New Roman"">
</span></span></span><span dir="LTR"></span><b><span style="font-size:14.0pt;color:black">Dual Stack IPv4 and IPv6</span></b><span><span style="font-size:14.0pt;color:black"> </span></span><span style="font-size:14.0pt;color:black">protocols in your routers
to connect to an ISP running dual stacks as well. This is probably the simplest solution, but it does break any NAT connections and if you rely on NAT as a primitive security perimeter, you might need to check into this further, since with IPv6, your entire
subnet will be directly connected to the Internet.</span></p>
<p class="MsoNormal" style="margin-left:27.75pt;text-align:left;line-height:18.0pt;direction:ltr">
<span style="font-size:14.0pt;color:black"><span>2.<span style="font:7.0pt "Times New Roman"">
</span></span></span><span dir="LTR"></span><b><span style="font-size:14.0pt;color:black">6to4 tunnels</span></b><span style="font-size:14.0pt;color:black">. My Mac uses this method, as can be seen with the 2002: prefix in its IPv6 address. What happens here
is that the end of the IPv6 address uses the IPv4 address. This has major performance problems and some firewalls will block this particular protocol on port 41.</span></p>
<p class="MsoNormal" style="margin-left:27.75pt;text-align:left;line-height:18.0pt;direction:ltr">
<span style="font-size:14.0pt;color:black"><span>3.<span style="font:7.0pt "Times New Roman"">
</span></span></span><span dir="LTR"></span><b><span style="font-size:14.0pt;color:black">Teredo tunnels</span></b><span><span style="font-size:14.0pt;color:black"> </span></span><span style="font-size:14.0pt;color:black">is an alternative tunneling protocol
that has both clients and servers to translate v4 into v6 addresses and vice-versa. Some firewalls block UDP port 3544, which will cause problems.</span></p>
<p class="MsoNormal" style="margin-left:27.75pt;text-align:left;line-height:18.0pt;direction:ltr">
<span style="font-size:14.0pt;color:black"><span>4.<span style="font:7.0pt "Times New Roman"">
</span></span></span><span dir="LTR"></span><b><span style="font-size:14.0pt;color:black">Tunnel brokers and miscellaneous other mechanisms</span></b><span><span style="font-size:14.0pt;color:black"> </span></span><span style="font-size:14.0pt;color:black">for
coping.</span></p>
<p style="margin-right:0in;margin-bottom:12.0pt;margin-left:27.75pt;line-height:18.0pt">
<span style="font-size:14.0pt;color:black">Good luck with your transition. And don't put it off any longer: the time has come!</span></p>
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<p class="MsoNormal" style="text-align:left;direction:ltr"><b><span style="font-size:12.0pt;color:#0E015F;background:white">Abdelfattah ABUQAYYAS, PhD</span></b><span style="font-size:12.0pt;color:#0E015F;background:white"><br>
ICT Counselor<span dir="RTL"></span><span lang="AR-SA" dir="RTL"><span dir="RTL"></span>/
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<p class="MsoNormal" style="text-align:left;direction:ltr"><b><span style="font-size:10.0pt;color:#0E015F">P.O. Box 75606, Riyadh 11588, Saudi Arabia</span></b><span style="color:#0E015F"></span></p>
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