The Basic Architecture
The basic architecture of BioAPI 2.0 is illustrated in the figure at the top of this page. There are multiple possible (independent) biometric applications that interact with a BioAPI Framework, which in turn routes their messages to Biometric Service Providers (BSPs) that support the various biometric capture devices, image enhancement modules, feature extraction, matching, searching, etc.
A later extension of the architecture introduces the concept of a Biometric Function Provider (BFP) and defines further lower-level interfaces between a BFP and a controlling BSP. This minimises the amount of software that a biometric device vendor needs to develop, allowing (other) software vendors to do most of the work of producing the BSP with an interface to the framework.
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