[dns-operations] Too Open (Was: OpenDNS makes your Internet work better
john at sackheads.org
Fri Jul 14 18:06:09 UTC 2006
On Jul 14, 2006, at 1:36 PM, Brad Knowles wrote:
> At 9:39 AM -0400 2006-07-14, OndÞej Sur˜ wrote:
>> It cannot happen if you don't advertise all addresses at any
>> node. Which is the model UltraDNS took (as I understood from
>> reply to
>> my previous mails).
> In this case, I don't think that it is sufficient to be guaranteed of
> having at least two different sites servicing the same content. You
> get back to the original question of whether or not they would have
> rolled out a gTLD with just two unicast addresses.
I'm just replying to this one... but HUH? If you don't have any
overlap at all, 100% anycast with 2 anycast blocks, you absolutely
guarantee that you get two different sites servicing the same content.
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