Project Title

Space Communication Cross Support Architecture Requirements Document, version 2



Document Number



1.01 System Architecture Working Group

Document Type


Description of Document

The part of the "CCSDS Reference Architecture" documents that addresses the lower four layers of the protocol stack, including standards developed by the SLS, SIS, CSS, and SEA Areas. This update is to include standards produced or revised since the original publication, and reference to [Future] standards that are expected to be published within the next five years.

Applicable Patents

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

Patent Comments

And patent issues in the underlying standards that are referenced in this standards are resolved in those underlying standards.

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

There is nothing comparable to this in CCSDS.


Book Editor


Book Editor Resources

6 MM

Prototype 1

Not Required

Prototype 1 Resources

Prototype 2

Not Required

Prototype 2 Resources

Prototype 3

Not Required

Prototype 3 Resources



Monitor Only


Resource Comments

Members of other CCSDS WG who have standards referenced in this document have agreed to continute information as well as review the final product.


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.)
Estimated Completion Date
(Date in M/D/YYYY format.)
Actual Completion Date
(Date in M/D/YYYY format.)
(Date in M/D/YYYY format.)
Project ApprovedOrange BulletGreen BulletMagenta BulletBlue Bullet2/26/20212/26/20212/26/2021
Project Start DateOrange BulletGreen BulletMagenta BulletBlue Bullet11/2/202011/2/2020
Internal WG Review
First Draft Circulated to WGOrange BulletGreen BulletMagenta BulletBlue Bullet5/28/20215/28/2021
First Draft Comments DueOrange BulletGreen BulletMagenta BulletBlue Bullet7/2/20217/2/2021
Second draft circulated to WGOrange BulletGreen BulletMagenta BulletBlue Bullet10/29/202110/29/2021
Second Draft Comments DueOrange BulletGreen BulletMagenta BulletBlue Bullet12/3/202112/3/2021
Final WB Submitted to AD for Further ProcessingOrange BulletGreen BulletMagenta BulletBlue Bullet2/25/20222/25/2022
External Milestones
Secretariat Document ProcessingOrange BulletGreen BulletMagenta BulletBlue Bullet4/22/20224/22/2022
First Agency ReviewMagenta BulletBlue Bullet5/27/20225/27/2022
RID ResolutionMagenta BulletBlue Bullet7/29/20227/29/2022
Secretariat Document Processing 2Magenta BulletBlue Bullet9/23/20229/23/2022
Final Agency ReviewMagenta BulletBlue Bullet11/25/202211/25/2022
RID ResolutionMagenta BulletBlue Bullet1/20/20231/20/2023
First Prototype DevelopmentBlue Bullet
Second Prototype DevelopmentBlue Bullet
CMC ApprovalOrange BulletGreen BulletMagenta BulletBlue Bullet4/28/20234/28/2023
Total Time to Complete
(in months)
Version: 87.0
Created at 1/28/2021 7:19 PM by Peter Shames
Last modified at 5/16/2024 5:31 PM by Shelbun Cheng