[OSM-legal-talk] Requiring "free of charge" for db redistribution on Internet

Robert (Jamie) Munro rjmunro at arjam.net
Mon Oct 27 13:16:52 GMT 2008


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Rob Myers wrote:
> On Mon, Oct 27, 2008 at 12:22 PM, Andy Allan <gravitystorm at gmail.com> wrote:
> 
>> Is it an intended side effect of the license to discourage
>> internet-based distribution of derivative dbs?
> 
> I wouldn't have thought so. :-)
> 
>> My suggestion would be
>> that recovering "reasonable production cost" should also be extended
>> to "reasonable distribution cost" for internet distribution too.  My
>> idea would be that the marginal cost (i.e. the bandwidth for the given
>> download) is recoverable, but not e.g. man hours in setting up the
>> download server.
>>
>> Any thoughts?
> 
> How much would it cost for bandwidth to serve a single copy of the
> current OSM DB?

Andy answered that in the message you are replying to, but you edited
his answer out.

"If we take the current case - a planet download is 4.5Gb and (for the
sake of an example) Amazon S3 download costs start at USD0.17 per
gigabyte, it would cost me currently *0.76 dollars per download*."

That could be a significant cost if you get lots of downloads. Only
about 4/day would cost over $100 per month. Also, the current data is
probably less than 10% of the data we aim to collect, and it is likely
people will combining the data with other data, e.g. SRTM, which could
be much larger.

Robert (Jamie) Munro
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