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SOIS API

SOIS API. CCSDS SOIS Noordwijk 2009 F. Torelli ESA-ESTEC. Background. SOIS Services define conceptual service primitives SOIS Services implementation is dependent on: the HW platform (in particular the sub-network) the OS the programming language the programming model

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SOIS API

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  1. SOIS API CCSDS SOIS Noordwijk 2009 F. Torelli ESA-ESTEC Felice Torelli TEC-SWS

  2. Background • SOIS Services define conceptual service primitives • SOIS Services implementation is dependent on: • the HW platform (in particular the sub-network) • the OS • the programming language • the programming model • the Application SW development framework (if used) • Different SW supplier can implement the same SOIS services in different ways and still be compliant to the standard Felice Torelli TEC-SWS

  3. Requirements (ESA) • SOIS Service users should be independent from the specific SW implementation • SOIS Service users should be independent from the specific HW platform • The definition of the Avionics Architecture should use the SOIS Services as a building block Felice Torelli TEC-SWS

  4. Objective (1/2) • To identify a common baseline (SW context) regarding: • OS (e.g. RTEMS) • Programming language (e.g. C) • Programming model (e.g. *.indication as call-back function) • To specify the SOIS Service API in a concrete way (SW/SW ICD) • To leave open the SOIS Services SW implementation Felice Torelli TEC-SWS

  5. Objective (2/2) Standard API Open implementation Standard API Open implementation Open point (P&P?) Felice Torelli TEC-SWS

  6. Way Forward? • Outcome of prototyping activity: • Identification of the baseline SW context • API ICD proposal • Iteration with SW suppliers (industry) to assess the API ICD • To make the API ICD an applicable standard for the specific SW context (e.g. OS, language, etc) • Different SW contexts will require new iterations and potentially different API ICD Felice Torelli TEC-SWS

  7. SOIS API CCSDS SOIS Noordwijk 2009 F. Torelli ESA-ESTEC Felice Torelli TEC-SWS

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