Projects

Overview
Project Title	Lossless Data Compression (Issue 4)
Approval	Approved
Document Number	120.0
Charter	5.03 Data Compression Working Group
Document Type	Green
Description of Document	Issue 3 update to adress new section added in CCSDS-121.0-B-3, other minor revisions.
Applicable Patents	There are no patent issues for this technology that are known by the CCSDS community
Patent Comments	NASA GSFC patent on the subject data comrpessor has expired.
Survey of Similar Standards Documents or Projects Undertaken in Other Bodies and elsewhere in CCSDS
Resources
Book Editor	ESA
Book Editor Resources	2 WM (ESA 1 WM, NASA 1 WM)
Prototype 1	Not Required
Prototype 1 Resources
Prototype 2	Not Required
Prototype 2 Resources
Prototype 3	Not Required
Prototype 3 Resources
Contribute	CNES
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	11/1/2018	Approved at CMC on 24 october 2018 via Instant Poll
Project Start Date	1/1/2019
Internal WG Review
First Draft Circulated to WG	4/29/2019
First Draft Comments Due	5/6/2019
Second draft circulated to WG	6/3/2019
Second Draft Comments Due	7/8/2019
Final WB Submitted to AD for Further Processing	8/5/2019
External Milestones
Secretariat Document Processing	10/7/2019
First Agency Review
RID Resolution
Secretariat Document Processing 2
Final Agency Review
RID Resolution
First Prototype Development
Second Prototype Development
CMC Approval	12/7/2019
Total Time to Complete (in months)	11