Project Title

Schedule-Aware Bundle Routing (was Contact Graph Routing) for CCSDS



Document Number



6.09 Delay Tolerant Networking Working Group

Document Type


Description of Document

This document will define the forwarding rules for a schedule-aware routing algorithm (nominally based on Contact Graph Routing, CGR). The input to such an algorithm is expected to be the set of future communications opportunities in the network, and a DTN bundle to forward. The output will be the set of next hop link(s) over which to forward the bundle. This requires standardization in order to ensure that all nodes using this routing / forwarding algorithm make consistent forwarding decisions to get bundles to their destinations. This is a placeholder project; resources have NOT YET been identified and a CMC poll has NOT YET been requested.

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

10 months

Prototype 1


Prototype 1 Resources

2 (prototype exists as part of the ION suite, may need some modification as a result of the standardization process)

Prototype 2


Prototype 2 Resources

6 months -- JAXA will have resources to do this work during their FY starting April 2016.

Prototype 3

Prototype 3 Resources



Monitor Only


Resource Comments


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 Bullet10/1/201410/1/20144/15/2015
Project Start DateOrange BulletGreen BulletMagenta BulletBlue Bullet4/1/20154/15/2015
Internal WG Review
First Draft Circulated to WGOrange BulletGreen BulletMagenta BulletBlue Bullet1/1/20153/1/20162/15/2016
First Draft Comments DueOrange BulletGreen BulletMagenta BulletBlue Bullet2/1/20155/1/20165/1/2016
Second draft circulated to WGOrange BulletGreen BulletMagenta BulletBlue Bullet3/1/20156/1/20167/18/2016
Second Draft Comments DueOrange BulletGreen BulletMagenta BulletBlue Bullet4/1/20153/1/20173/1/2017
Final WB Submitted to AD for Further ProcessingOrange BulletGreen BulletMagenta BulletBlue Bullet5/1/20157/1/20186/6/2018
External Milestones
Secretariat Document ProcessingOrange BulletGreen BulletMagenta BulletBlue Bullet6/1/20159/1/20189/1/2018
First Agency ReviewMagenta BulletBlue Bullet9/1/201511/1/201811/1/2018
RID ResolutionMagenta BulletBlue Bullet12/1/20154/1/20194/1/2019
Secretariat Document Processing 2Magenta BulletBlue Bullet1/1/20166/1/20196/1/2019
Final Agency ReviewMagenta BulletBlue Bullet3/1/20169/1/20198/9/2019
RID ResolutionMagenta BulletBlue Bullet5/1/201611/1/20198/9/2019
First Prototype DevelopmentBlue Bullet8/1/20168/1/20178/9/2019NASA ION
Second Prototype DevelopmentBlue Bullet10/1/20164/1/20198/9/2019JAXA
CMC ApprovalOrange BulletGreen BulletMagenta BulletBlue Bullet3/1/201712/31/20198/9/2019
Total Time to Complete
(in months)
Version: 604.0
Created at 7/22/2013 8:09 AM by Scott Keith
Last modified at 8/9/2019 2:44 PM by Brian Oliver