Project Title

Cross Support Reference Model—Part 1: Space Link Extension Services update to B-3



Document Number

CCSDS 910.4-B-2


3.06 Cross Support Transfer Services Working Group

Document Type


Description of Document

As per title, defines a cross support reference model for the space link extension (SLE)

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


Book Editor


Book Editor Resources

Tim Pham

Prototype 1

Not Required

Prototype 1 Resources

no prototype required

Prototype 2

Not Required

Prototype 2 Resources

no prototype required

Prototype 3

Not Required

Prototype 3 Resources

no prototype required



Monitor Only

Resource Comments

The update will be quite minor. Basically B-3 will state that there will be no further SLE services in addition to the existing ones. Later services will be specified as Cross Support transfer Services (CSTS).


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 Bullet8/15/2022
Project Start DateOrange BulletGreen BulletMagenta BulletBlue Bullet8/15/2022
Internal WG Review
First Draft Circulated to WGOrange BulletGreen BulletMagenta BulletBlue Bullet8/31/2022
First Draft Comments DueOrange BulletGreen BulletMagenta BulletBlue Bullet9/15/2022
Second draft circulated to WGOrange BulletGreen BulletMagenta BulletBlue Bullet9/30/2022
Second Draft Comments DueOrange BulletGreen BulletMagenta BulletBlue Bullet10/15/2022
Final WB Submitted to AD for Further ProcessingOrange BulletGreen BulletMagenta BulletBlue Bullet10/31/2022
External Milestones
Secretariat Document ProcessingOrange BulletGreen BulletMagenta BulletBlue Bullet11/15/2022
First Agency ReviewMagenta BulletBlue Bullet1/1/2023
RID ResolutionMagenta BulletBlue Bullet2/28/2023
Secretariat Document Processing 2Magenta BulletBlue Bullet3/31/2023
Final Agency ReviewMagenta BulletBlue Bullet
RID ResolutionMagenta BulletBlue Bullet
First Prototype DevelopmentBlue Bullet
Second Prototype DevelopmentBlue Bullet
CMC ApprovalOrange BulletGreen BulletMagenta BulletBlue Bullet5/1/2023
Total Time to Complete
(in months)
Version: 233.0
Created at 6/8/2021 5:27 AM by Holger Dreihahn
Last modified at 8/22/2023 10:06 AM by Brian Oliver