Projects

Overview
Project Title	Lossless Data Compression (Issue 3)
Approval	Approved
Document Number	121.0
Charter	5.03 Data Compression Working Group
Document Type	Blue
Description of Document	Issue 3 revision to address potential ambiguities and adds option for a file header.
Applicable Patents	There are no patent issues for this technology that are known by the CCSDS community
Patent Comments	Previous NASA GSFC patent has expired.
Survey of Similar Standards Documents or Projects Undertaken in Other Bodies and elsewhere in CCSDS
Resources
Book Editor	ESA
Book Editor Resources	1 WM
Prototype 1	ESA
Prototype 1 Resources	1 WM
Prototype 2	NASA
Prototype 2 Resources	1 WM
Prototype 3
Prototype 3 Resources
Contribute	CNES, NASA
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.)	Comments (Date in M/D/YYYY format.)
Project Approved	11/26/2018	Approved at CMC on 24 october 2018 via Instant Poll
Project Start Date	12/1/2018
Internal WG Review
First Draft Circulated to WG	12/14/2018
First Draft Comments Due	1/21/2019
Second draft circulated to WG	2/28/2019
Second Draft Comments Due	4/5/2019
Final WB Submitted to AD for Further Processing	5/12/2019
External Milestones
Secretariat Document Processing	6/13/2019	Agency Review Approved
First Agency Review	9/17/2019	Agency Review closed on 6 March 2020
RID Resolution	11/15/2019	Resolution to publish. Non more ARs
Secretariat Document Processing 2	11/19/2019	No more ARs needed
Final Agency Review	11/21/2019	Not needed
RID Resolution	11/21/2019	Not needed
First Prototype Development	11/15/2019
Second Prototype Development	11/15/2019
CMC Approval	12/30/2019
Total Time to Complete (in months)	13