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Re: [OSM-dev] [GNUnet-developers] [GSoC] Guix + GNUnet: what’s next

From: Paul Norman
Subject: Re: [OSM-dev] [GNUnet-developers] [GSoC] Guix + GNUnet: what’s next
Date: Thu, 02 Jul 2015 15:56:57 -0700
User-agent: Mozilla/5.0 (Windows NT 6.3; WOW64; rv:31.0) Gecko/20100101 Thunderbird/31.7.0

On 7/2/2015 2:58 PM, Daniel Golle wrote:
This sounds very useful eg. for Planet.osm distribution.
It's already available via BitTorrent
but the regions are very large and thus the files are too...
In practice using the torrent files results in most of the data from webseed, getting it from They can help a bit, but don't really form a parallel distribution system.

Anonymous access to local OSM data as well as (cached) rendered map
tiles would greatly improve users privacy, obviously...
With rendering on demand like has, tiles might only be cached for 5 minutes. This is probably going to be a problem for any truly anonymous system. Also, to avoid the tile renderer knowing what you're accessing, everything has to be pre-rendered. Pre-rendered world-wide vector tiles are not a practical option.

This also leaves aside the fact that such a system probably isn't suitable for, where the focus is on supporting map edits, and viewing the map is generally going to be associated with having edited the same area.

None of this stops someone from operating their own rendering server, even behind an air-gapped network. If someone downloads the planet dump, you don't know what part of it they're interested in, and even if consuming minutely updates, it still doesn't reveal where they are looking at.

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