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Re: [tor-bugs] #2506 [Tor Relay]: Design and implement a more compact GeoIP file format
#2506: Design and implement a more compact GeoIP file format
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Reporter: rransom | Owner: endian7000
Type: enhancement | Status: needs_review
Priority: normal | Milestone: Tor: 0.2.3.x-final
Component: Tor Relay | Version:
Keywords: | Parent:
Points: | Actualpoints:
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Comment(by nickm):
Other thoughts: elsewhere we have used the country code "??" for an
unassigned mapping.
We don't have a consistent internal uint8->country mapping in Tor: that
needs to get saved too.
Right now the db has 246 country codes; it's be nice to have a good answer
here for what we would do if we had to go over 255.
One possibility for making this format self-synchronizing is to reserve
the run-length index 0 and the country code 0 such that neither
corresponds to a run length or to a country. There are probably better
ways too.
Another useful observation: there seem to be less than 32 run lengths that
ever occur more than once. Not sure what we can use that for, though.
--
Ticket URL: <https://trac.torproject.org/projects/tor/ticket/2506#comment:8>
Tor Bug Tracker & Wiki <https://trac.torproject.org/>
The Tor Project: anonymity online
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