[OSM-talk] OSmosa.net run now.., contribution model

[Frederik Ramm]

Hi,

On 12/05/2011 10:17 PM, Frans Thamura wrote:
> this idea want to make my osmosa.net as our central of update, and
> focus for specific country (Indonesia). and we want our work also part
> of OSM.org .
>
> so none will update to OSM.org, but the server will update to OSM.org
>
> why this idea cannot be done?

The problem is edit conflicts. Your server will not be the exlusive edit 
server for Indonesia. This means someone - e.g. I - could change an 
object on the osm.org server and someone else - e.g. you - could change 
the object on the osmosa server. Later, when the osmosa server wants to 
upload its data to OSM.org, there will be an edit conflict, and the edit 
on osmosa will be lost.

This can happen in normal osm.org editing as well (we both edit the same 
object) but in that case the second uploader gets an error message and 
can solve the problem - whereas in your case the person may have closed 
his editor already and will not be reachable for conflict detection.

There are other problems as well, for example the osm.org server would 
accept all your edits under one user ID and it would not be possible to 
identify who exactly has made a change; messages from one OSM member to 
another could not cross the "osm<->osmosa" boundary properly, and so on.

This is not something that cannot be solved but it requires a lot of 
thought and a lot of updates to the rails port before it can fly.

Bye
Frederik

-- 
Frederik Ramm  ##  eMail frederik at remote.org  ##  N49°00'09" E008°23'33"