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Ah you mentioned the HIBP example, although for this search space you may be able to get by with just a download of all of them. If you stick to, say, state by
by joshuamorton 7y ago
Ah you mentioned the HIBP example, although for this search space you may be able to get by with just a download of all of them. If you stick to, say, state by state sharding, you get around 30 MB of hashes for the worst case (NYC).
If you further reduce that by only providing new confirmed hashes since a timestamp, the client can track when they last downloaded the data and pull only the delta, you end up with a few MB a day, which compares quite well to say, a video call.
- lultimouomo 7y agoGeographical based sharding seems to break down once people travel though. Just a single visit to a hub airport might have gotten you in contact with people form all around the world (I assume that the objective of this initiative is to try and get us at least part way back to normal). Even if you don't travel, but other people are, you will be in contact with people who are registered as infected in a different region. Also I don't think NYC is at all the worst case in the world, there are a lot of megacities that dwarf it in size...
- chispamed 7y agoYou could still have geo sharding if the device also saved the location locally and shared the diagnosis for every zone it’s been in / downloaded the data for all zones. Ofc that would mean more data to process for travelers but it should still be way less than the data of the entire globe.