sm at resistor.net
Mon Feb 24 18:12:30 UTC 2014
At 07:38 24-02-2014, Steve Crocker wrote:
>Thanks. Two comments about root servers
>1. A list of which countries have root servers
>and which do not is the beginning but not the
>end of the discussion. The technical question
>is whether a locale is being served well
>enough. "Well enough" is usually measured in
>terms of delay to get an answer to a look up,
>e.g. 89 milliseconds, and reliability, e.g.
>answers are received 99.923% of the time. (Both
>of the numbers in the previous sentence are
>illustrative and not related to any actual
>measurement. I made them up as I typed.) On
>the other hand, many people seem concerned with
>political questions, e.g. which countries are
>important enough to have root servers. It would
>help the discussion to know what questions are
>being asked. The list of root server locations may or may not be relevant.
There is a sample response time at
The above technical question is a good
one. There was a study about the global response
of (DNS) Root servers. It highlighted some
inconsistencies in the results for Europe  and other parts of the world.
A decision based on the list of Root server
locations would be ill-informed. It might
satisfy a political concern while not providing
the end-user with a better service.
1. I am using the region as an example.
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