Projects

Overview
Project Title	CCSDS File Delivery Protocol (CFDP) Update -- Blue Book
Approval	Approved
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	CNSA
Prototype 2 Resources	6 months; resources provided by KARI.
Prototype 3	Other
Prototype 3 Resources	6 months, provided by KARI.
Contribute	JAXA
Monitor Only
Resource Comments

Schedule

Legend for Schedule Milestones = Required for Orange Books = Required for Green Books = Required for Magenta Books = Required for Blue Books Note - Red Books are Draft Blue/Magenta Books Schedule Milestones	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 Approved	10/1/2013	10/1/2013	9/13/2013
Project Start Date	10/1/2013	10/1/2013	9/13/2013
Internal WG Review
First Draft Circulated to WG	4/1/2014	4/1/2014	12/11/2013
First Draft Comments Due	5/1/2014	5/1/2014	2/1/2014
Second draft circulated to WG	7/1/2014	7/1/2014	4/1/2014
Second Draft Comments Due	8/1/2014	8/1/2014	4/3/2014
Final WB Submitted to AD for Further Processing	9/1/2014	9/1/2014	10/1/2014
External Milestones
Secretariat Document Processing	10/1/2014	10/1/2014	11/1/2014
First Agency Review	1/1/2015	1/1/2015	1/23/2015
RID Resolution	5/1/2015	5/1/2015	6/12/2015
Secretariat Document Processing 2	6/1/2015	12/31/2015	6/12/2015	Pending completion of inter-operability testing
Final Agency Review	8/1/2015	8/1/2015	6/12/2015
RID Resolution	10/1/2015	10/1/2015	6/12/2015
First Prototype Development	2/1/2016	2/1/2016	10/5/2015	NASA implementation in "ION" version 3.4.0
Second Prototype Development	2/1/2016	12/17/2018	7/18/2018	CNSA (BITTT) developed second implementation
CMC Approval	5/1/2016	10/1/2020	7/30/2020
Total Time to Complete (in months)	30	83