[dns-operations] Quick anycast primer

Robert Martin-Legene rlegene at gmail.com
Fri Jul 21 05:37:02 UTC 2006

On 14/07/06, Patrick W. Gilmore <patrick at ianai.net> wrote:
> For instance, you are a very large provider who spans the globe.  You
> see several instances of an anycast NS called XYZ.ns.
> You are personally sitting in Washington DC.  Your network peers with
> providers announcing XYZ.ns in DC, London, NYC, SJC, Tokyo, etc.  But
> it turns out the guy in Tokyo has the lowest IP address, and
> therefore won the tie-breaker since the AS_Path Length was the same
> to all the instances.
> Guess where you are getting your queries answered?

I believe your customers in Japan will be quite happy with the above
scenario. Where you are personally sitting (as a provider) may not
matter so much.

-- Robert Martin-Legene, .dk

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