[lacnog] Fwd: [afripv6-discuss] IPv6 rollout…

Alejandro Acosta alejandroacostaalamo en gmail.com
Mar Jul 31 19:19:29 BRT 2012

  Muy interesante, mantennos informados :)
  Me gustaría ver las gráficas y tener más detalles de lo que
hicieron. Ciertamente no es nuevo pero siempre me parece gustaría
saber más, además sobre Africa e IPv6 no he escuchado mucho.

Saludos y gracias,


On 7/31/12, Carlos M. Martinez <carlosm3011 en gmail.com> wrote:
> FYI,
> me parece una experiencia interesante muy bien descripta por nuestros
> colegas de Africa.
> s2
> Carlos
> -------- Original Message --------
> Subject: 	[afripv6-discuss] IPv6 rollout…
> Date: 	Tue, 31 Jul 2012 09:08:29 +0200
> From: 	Andrew Alston <alston.networks en gmail.com>
> Reply-To: 	IPv6 in Africa <afripv6-discuss en afrinic.net>
> To: 	afripv6-discuss en afrinic.net
> Hi Guys,
> So, while i'll be sending out a lot more data soon, with a lot more
> information on exactly what we did and how we did it etc, I thought  I would
> share some news that I for one found rather exciting.
> Yesterday evening starting at around 7pm one of the South African
> universities turned up IPv6, in a fairly consistent manner.  Now, I'm not
> talking about turning up IPv6 on a few servers, I'm talking about
> integrating it into every part of their network.  By 2:30am this morning it
> was running on all their proxy servers, all their residence networks, the
> wireless networks, all the lab PC's and a good portion of the staff network.
>  The topology used was identical to that of the IPv4, and as the rest of the
> network is migrated to the new IPv4 topology V6 will be implemented on
> everything in dual stack along side that as well.
> Now, here is where things get interesting, another network dual stacked is
> no real news, so lets talk about traffic levels.
> The University in question is now running anywhere between 30 to 50 percent
> of its internet traffic on IPv6, and its working flawlessly so far.  So
> flawlessly infact that even with Apple's default implementation of Happy
> Eyeballs that tests RTT and defaults to v4 if the v6 latency is higher, the
> apples we tested on running lion and mountain lion were still choosing ipv6
> most of the time.
> I am not going to say this little rollout has been easy though, we had to
> rearchitecture the entire network (that had to happen anyway for various
> reasons), and we added the v6 as part of that project.  It would not have
> been possible to do that without first getting our hands on another /15
> worth of IPv4 space though to allow that rearchitecturing to happen
> properly.
> As I said though, in coming days we'll write up what we did with a lot more
> detail and send through some graphs and other information, I just had to
> share the fact that we're seeing at points half the traffic on a standard
> university coming in from the internet over ipv6!
> Thanks
> Andrew Alston
> Network Consultant_______________________________________________
> afripv6-discuss mailing list
> afripv6-discuss en afrinic.net
> https://lists.afrinic.net/mailman/listinfo.cgi/afripv6-discuss

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