Clear on that now.  Thanks for your guidance.

Great work support group!

Mike

On 6 Sep 2014, at 18:33, Karsten Loesing <kars...@torproject.org> wrote:

> On 06/09/14 15:54, Mike Fikuart wrote:
>> Yes, thanks this is useful.
>> 
>> The current database lists 94566 IP/CC listings.
>> Is this a cut down version of the full database just for Tor and only 
>> listing bridges and routers, or what do those geoips relate to?
> 
> It's MaxMind's full database, not a subset.  Each entry represents an IP
> address range, and apparently 94K ranges are necessary to cover the
> entire assigned IPv4 address space.
> 
>> More relevant for me for Tor and it’s improvement over the years, does the 
>> algorithm for routing or circuit creation use the geoip and is it 
>> attributable to the improved performance of Tor in recent years?
> 
> No, geoip information is not used for routing or circuit creation.  It's
> quite possible that this was discussed as an option, but I'm not aware
> of current plans to implement this.
> 
>> I seem to remember (but now cannot find the reference) that the geoip’s have 
>> been responsible for improving the routing of data or selection of relays 
>> for circuits.  Is this correct and how does this work?
> 
> That's not the case, as far as I can tell.
> 
> (Subsequent questions look like duplicates from an earlier draft, though
> with an incorrect number of entries.)
> 
> Hope that helps.
> 
> All the best,
> Karsten
> 
> 
>> The geoip file has 82,363 different Country Code entries listed.
>> What do they relate to, as this would far exceed the bridges and
>> relays?
>> 
>> I seem to remember (but now cannot find the reference) that the
>> geoip’s have been responsible for improving the routing of data or
>> selection of relays for circuits.  Is this correct and how does this
>> work?
>> 
>> 
>> https://gitweb.torproject.org/tor.git/blob/HEAD:/src/config/geoip
>> 
>> The first few lines tell you how this file is generated:
>> 
>> # Last updated based on August 7 2014 Maxmind GeoLite2 Country
>> # wget
>> https://geolite.maxmind.com/download/geoip/database/GeoLite2-Country.mmdb.gz
>> # gunzip GeoLite2-Country.mmdb.gz
>> # python mmdb-convert.py GeoLite2-Country.mmdb
>> 
>> See also the MaxMind website for details what's contained in their database.
>> 
>> Regarding database size, here's what happens when I compress the geoip file:
>> 
>> -rw-r--r--  1 karsten  staff   2.2M Sep  5 21:18 geoip
>> -rw-r--r--  1 karsten  staff   678K Sep  5 21:18 geoip.bz2
>> -rw-r--r--  1 karsten  staff   688K Sep  5 21:18 geoip.gz
>> -rw-r--r--  1 karsten  staff   402K Sep  5 21:18 geoip.xz
>> 
>> Not sure if this answers all your questions, but maybe it's a start.
>> 
>> All the best,
>> Karsten
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