Project Title

Mission Operations - Message Abstraction Layer (MAL) - B-3



Document Number



2.04 Spacecraft Monitoring and Control Working Group

Document Type


Description of Document

The SM&C WG has thoroughly and critically reviewed the underlying concepts of the MO Framework and the M&C services. This effort is labeled as MO 2.0. All participating agencies have provided input and points for improvement. The focus has been on simplification and increasing the potential for adoption of the SM&C standards. MAL being the core of the MO framework, the WG has concluded the review of the current MAL concepts and agreed on a set of changes as the as the first step in this context. This project is for implementing the changes to MAL that have been agreed by all representatives of the agencies participating to the SM&C WG.

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

This project is the update of an already published Blue Book.


Book Editor


Book Editor Resources

1 mm

Prototype 1


Prototype 1 Resources

1 mm

Prototype 2


Prototype 2 Resources

1 mm

Prototype 3

Prototype 3 Resources



Monitor Only


Resource Comments

ESA and CNES have already committed the resources. The update of the book has started and work on prototyping will follow.


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 Bullet10/31/2021
Project Start DateOrange BulletGreen BulletMagenta BulletBlue Bullet12/1/2021
Internal WG Review
First Draft Circulated to WGOrange BulletGreen BulletMagenta BulletBlue Bullet2/28/2022
First Draft Comments DueOrange BulletGreen BulletMagenta BulletBlue Bullet3/31/2022
Second draft circulated to WGOrange BulletGreen BulletMagenta BulletBlue Bullet
Second Draft Comments DueOrange BulletGreen BulletMagenta BulletBlue Bullet
Final WB Submitted to AD for Further ProcessingOrange BulletGreen BulletMagenta BulletBlue Bullet4/28/2022
External Milestones
Secretariat Document ProcessingOrange BulletGreen BulletMagenta BulletBlue Bullet
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 Bullet10/15/2022
Second Prototype DevelopmentBlue Bullet10/15/2022
CMC ApprovalOrange BulletGreen BulletMagenta BulletBlue Bullet12/31/2022
Total Time to Complete
(in months)
Version: 491.0
Created at 9/16/2021 9:24 AM by Mehran Sarkarati
Last modified at 4/1/2024 3:47 PM by Brian Oliver