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Users with large storage needs and tight budgets might want to look
into B2 from Backblaze. It's significantly <a
moz-do-not-send="true"
href="https://www.backblaze.com/b2/cloud-storage-pricing.html">cheaper
</a>than S3. The structure (buckets and file) is similar to S3 as is
the API, so implementing access in GDAL is probably pretty
straightforward from the S3 implementation. I don't use cloud
storage for geo-data, so I won't be pursuing this route, but I do
use Backblaze for backup and have been extremely satisfied.<br>
<br>
Full disclosure: My connection to Backblaze is pretty minor - one of
the founders is a friend of a friend (ie, almost no connection at
all)<br>
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