The flash translation layer (FTL) is a key component of the firmware in a NAND-based solid-state drive (SSD). It is responsible for managing the interaction between the host computer and the underlying NAND chips, and it plays a crucial role in the performance and reliability of the SSD.
The FTL is implemented as a layer of software that sits between the host computer and the NAND chips, and it serves several key functions: mapping table, bad block management, wear leveling, and garbage ...
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