The JetStream technology, which leverages the VMware IO Filter API, has its roots in a company called FlashSoft, which was acquired by SanDisk, was part of the WD acquisition of SanDisk, and has now been spun out into a focused software company.
Nine separate bundles across the Windows, VMware and Linux platforms give SanDisk a broad range of “device+software” solutions for server-side solid-state caching.