A server-based processing model uses a "fat server" rather than a "fat client".

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In a server-based processing model, the majority of processing and storage is done on the server (the "fat server"), while the client (sometimes called the "thin client") primarily handles user input and output. This is the opposite of a client-based processing model, where most processing and storage is done on the client device (the "fat client").

A Server-Based Processing Model Uses a "Fat Server" Rather Than