Sois api
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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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Sois api

SOIS API

CCSDS SOIS

Noordwijk 2009

F. Torelli ESA-ESTEC

Felice Torelli TEC-SWS


Background

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


Requirements esa

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


Objective 1 2

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


Objective 2 2

Objective (2/2)

Standard API

Open implementation

Standard API

Open implementation

Open point (P&P?)

Felice Torelli TEC-SWS


Way forward

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


Sois api1

SOIS API

CCSDS SOIS

Noordwijk 2009

F. Torelli ESA-ESTEC

Felice Torelli TEC-SWS


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