Project Title

CAST Flight Software as a CCSDS Onboard Reference Architecture



Document Number


4.02 Application Support Services Working Group

Document Type


Description of Document

This experimental report provides an overview of the integration and use of CCSDS standards to enhance interoperability, system commonality of CAST's flight software architecture. It shall cover the following topics: 1. Overview of CCSDS integration into CAST flight software architecture and tool chains. 2. Use of CCSDS standards in the architecture, development tools, and ground systems. 3. Benefits of applied standards to the development, maintenance and operations of spacecraft systems.

Applicable Patents

There are no patent issues for this technology that are known by the CCSDS community

Patent Comments

Survey of Similar Standards
Documents or Projects
Undertaken in Other Bodies
and elsewhere in CCSDS

In parallel there is work planned on Orange books covering the ESA SAVIOR and NASA cFS architectures.


Book Editor


Book Editor Resources

4 mm

Prototype 1

Not Required

Prototype 1 Resources

Prototype 2

Not Required

Prototype 2 Resources

Prototype 3

Prototype 3 Resources



Monitor Only


Resource Comments

CNSA has already implemented a software reference architecture (2015) based on SOIS standards. This Orange book would document that architecture and include the SOIS EDS use case.


Legend for Schedule Milestones
Orange Bullet = Required for Orange Books
Green Bullet = Required for Green Books
Magenta Bullet = Required for Magenta Books
Blue Bullet = Required for Blue Books
Note - Red Books are Draft Blue/Magenta Books

Schedule Milestones
Orange BookGreen BookMagenta BookBlue Book
Original Completion Date
(Date in M/D/YYYY format.)
(Date in M/D/YYYY format.)
Project ApprovedOrange BulletGreen BulletMagenta BulletBlue Bullet11/1/2016
Project Start DateOrange BulletGreen BulletMagenta BulletBlue Bullet11/1/2016
Internal WG Review
First Draft Circulated to WGOrange BulletGreen BulletMagenta BulletBlue Bullet2/14/2017A draft was distributed prior to the 2016 Fall meeting
First Draft Comments DueOrange BulletGreen BulletMagenta BulletBlue Bullet2/28/2017
Second draft circulated to WGOrange BulletGreen BulletMagenta BulletBlue Bullet3/14/2017
Second Draft Comments DueOrange BulletGreen BulletMagenta BulletBlue Bullet12/30/2017
Final WB Submitted to AD for Further ProcessingOrange BulletGreen BulletMagenta BulletBlue Bullet10/31/2019
External Milestones
Secretariat Document ProcessingOrange BulletGreen BulletMagenta BulletBlue Bullet11/30/2019
First Agency ReviewMagenta BulletBlue Bullet
RID ResolutionMagenta BulletBlue Bullet
Secretariat Document Processing 2Magenta BulletBlue Bullet
Final Agency ReviewMagenta BulletBlue Bullet
RID ResolutionMagenta BulletBlue Bullet
First Prototype DevelopmentBlue Bullet
Second Prototype DevelopmentBlue Bullet
CMC ApprovalOrange BulletGreen BulletMagenta BulletBlue Bullet12/31/2019Published
Total Time to Complete
(in months)
Version: 542.0
Created at 3/23/2016 9:39 AM by Wilmot Jonathan
Last modified at 5/17/2022 8:09 AM by Jonathan Wilmot