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Overivew

Project Title

CCSDS File Delivery Protocol (CFDP) Update -- Blue Book

Approval

Approved

Project Status

On Schedule

Project Phase

Second Prototype Development

Document Number

727.0

Charter

6.12 CFDP Revisions Working Group

Document Type

Blue

Description of Document

The working group will accomplish the mandated 5-year reconfirmation review of the CCSDS File Delivery Protocol (CFDP) Blue Book. To this end, the working group will consider a number of proposed revisions to CFDP (listed below) and thereupon apply to the specification some agreed-upon subset of those revisions; will perform interoperability testing between two independently developed implementations of the changes incorporated into the revised CFDP Blue Book, to ensure that the revised specification can be successfully implemented. The following CFDP revisions have been proposed: • Remove the Extended Procedures, which are unused. • Relocate the Store and Forward Overlay User Operation (SFO) to a normative annex. (This could be a step toward eventually deprecating SFO in favor of operating CFDP over a Bundle Protocol unitdata transfer layer.) • Provide a way of using CFDP to transfer files that are larger than 4 GB. • Increase the maximum file data segment size, to reduce per-segment processing overhead. • Add per-segment metadata to increase the utility of individually received file data segments prior to reassembly of an entire file. • Enable file record boundaries to be encoded in file data segments, so that a record may span multiple segments or multiple records may be aggregated into a single segment. • Define additional standard service classes that include different subsets of CFDP functionality. • Add more Delivery Code values to make the Finished PDU more informative in proxy operations. • Add the ability to aggregate the Finished information for multiple transactions into a single segment. • Standardize the format for listing the contents of a remote directory. In developing the agreed-upon revisions the working group will preserve backward compatibility with existing CFDP implementations to the extent possible.

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

Resources

Book Editor

NASA

Book Editor Resources

4 months

Prototype 1

NASA

Prototype 1 Resources

6 months

Prototype 2

ESA

Prototype 2 Resources

6 months; ESA resources to support prototyping expire at the end of May 2014.

Prototype 3

Prototype 3 Resources

Contribute

JAXA

Monitor Only

Resource Comments

Schedule

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.)
Comments
(Date in M/D/YYYY format.)
Project ApprovedOrange BulletGreen BulletMagenta BulletBlue Bullet10/1/201310/1/20139/13/2013
Project Start DateOrange BulletGreen BulletMagenta BulletBlue Bullet10/1/201310/1/20139/13/2013
Internal WG Review
First Draft Circulated to WGOrange BulletGreen BulletMagenta BulletBlue Bullet4/1/20144/1/201412/11/2013
First Draft Comments DueOrange BulletGreen BulletMagenta BulletBlue Bullet5/1/20145/1/20142/1/2014
Second draft circulated to WGOrange BulletGreen BulletMagenta BulletBlue Bullet7/1/20147/1/20144/1/2014
Second Draft Comments DueOrange BulletGreen BulletMagenta BulletBlue Bullet8/1/20148/1/20144/3/2014
Final WB Submitted to AD for Further ProcessingOrange BulletGreen BulletMagenta BulletBlue Bullet9/1/20149/1/201410/1/2014
External Milestones
Secretariat Document ProcessingOrange BulletGreen BulletMagenta BulletBlue Bullet10/1/201410/1/201411/1/2014
First Agency ReviewMagenta BulletBlue Bullet1/1/20151/1/20151/23/2015
RID ResolutionMagenta BulletBlue Bullet5/1/20155/1/20156/12/2015
Secretariat Document Processing 2Magenta BulletBlue Bullet6/1/201512/31/20156/12/2015Pending completion of inter-operability testing
Final Agency ReviewMagenta BulletBlue Bullet8/1/20158/1/20156/12/2015
RID ResolutionMagenta BulletBlue Bullet10/1/201510/1/20156/12/2015
First Prototype DevelopmentBlue Bullet2/1/20162/1/201610/5/2015NASA implementation in "ION" version 3.4.0
First Prototype DevelopmentBlue Bullet2/1/201612/17/2018Second implementation still in work as of 16 October 2018.
CMC ApprovalOrange BulletGreen BulletMagenta BulletBlue Bullet5/1/20165/20/2019
Total Time to Complete
(in months)
30
67
Attachments
Version: 384.0
Created at 7/22/2013 6:07 PM by Scott Keith
Last modified at 10/16/2018 7:06 AM by Scott Burleigh