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Space Telecommunications Radio System (STRS)

Space Telecommunications Radio System (STRS) > What is STRS? > Architecture > Description of STRS Layer Cake Model

Description of STRS Layer Cake Model

Level 1 (top) Waveform Applications and High Level Services
Level 2 POSIX API Subset STRS API
Level 3 OS where the POSIX API is the interface to the OS. STRS Infrastructure where the STRS API is the interface to the STRS Infrastructure.
OS

Network Stack in OS adjacent/usable by the STRS Infrastructure. STRS Infrastructure
OS STRS Infrastructure
OS HAL API, implemented in OS, BSP, or Drivers, is usable by the OS or STRS Infrastructure. The HAL API is the interface to the BSP and Drivers.
Level 4 Board Support Package (BSP). Drivers.
Level 5 (bottom) GPM. SPM hardware.