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Cluster data amount by region ids #146
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backlog
documentation
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enhancement
Improvement of an existing feature
Proposal:
Each app instance has an e.g. 2 byte region id which is provided or selected at time of installation. Large countries may have multiple regions and small countries maybe only 1 or 2. Goal ist to get almost equipartition regions related to population and expected infection rate. Also the regions must be large enough to respect the privacy of the users.
Each app sents own region id with the BT beacon and the receiving app seperates and collects all received region ids. So 2 Bytes of the BT payload would be needed to transfer own region id.
In case of infection and authorisation of a health organization the app uploads the EphIds of the acquisition period together with the own region id.
Apps retrieve only EphIds from infected individuals with the, during the acquisititon period, received region ids. For the vast majority of users this will only be one region id.
With this proposal it should be possible to have only one app for all participating countries and no national app solutions.
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