![]() Dropbox initially stored users' files on Amazon S3, while their webservers and metadata servers ran on their self-managed datacenters. ![]() POPs, also known as edge servers - are used by Content Delivery Networks ( CDNs) to serve content to end users from a location that is geographically closest to them. They have 20 Points of presence (POPs) across the world to facilitate low latency download and upload for end users. A combination of GeoDNS and BGP Anycast ensures availability and low latency for end users.ĭropbox manages exabytes of data and petabytes of metadata from half a billion users. Located around the globe, these run a custom stack of NGINX and IPVS, and connect to the Dropbox backend servers over their backbone network. The Dropbox engineering team shared their experience of architecting and scaling their global network of edge locations.
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