Projects

Overview
Project Title	Proximity-1 Space Link Protocol - Data Link Layer (Issue6)
Approval	Approved
Document Number	211.0
Charter	5.04 Space Link Protocols Working Group
Document Type	Blue
Description of Document	The CCSDS Recommended Standard for Proximity-1 Space Link Protocol—Data Link Layer specifies the protocol, services, and procedures pertaining to the CCSDS Version-3 Transfer Frame. Issue 6 of this Recommended Standard will include in "Proximity-1 protocol suite the possibility of using either Version-3 or Version-4 (USLP) Transfer Frames on top of Proximity-1 Coding and Synchronization Sublayer & Proximity-1 Physical Layer.
Applicable Patents	There are no patent issues for this technology that are known by the CCSDS community
Patent Comments	N/A
Survey of Similar Standards Documents or Projects Undertaken in Other Bodies and elsewhere in CCSDS	N/A
Resources
Book Editor	NASA
Book Editor Resources	.1 FTE provided by NASA
Prototype 1	NASA
Prototype 1 Resources	Prototypes already developed for 732.1-B validates this new issue.
Prototype 2	DLR
Prototype 2 Resources	Prototypes already developed for 732.1-B validates this new issue.
Prototype 3
Prototype 3 Resources
Contribute	DLR, ESA, NASA
Monitor Only	CNES, UKSA
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	5/1/2019	CMC-P-2019-04-005 completed 26 April 2019
Project Start Date	5/2/2019
Internal WG Review
First Draft Circulated to WG	5/3/2019	Input to Spring 2019 Meeting
First Draft Comments Due	5/4/2019	Discussed at Spring 2019 Meeting
Second draft circulated to WG	9/15/2019
Second Draft Comments Due	10/15/2019	Before Fall 2019 Meeting
Final WB Submitted to AD for Further Processing	11/30/2019
External Milestones
Secretariat Document Processing	2/15/2020
First Agency Review	4/15/2020	AR closed 28 April 2020
RID Resolution	5/30/2020
Secretariat Document Processing 2	6/15/2020	Second Agency Review not needed
Final Agency Review	9/15/2020
RID Resolution	10/30/2020
First Prototype Development	4/16/2019	Already available from ULSP Project
Second Prototype Development	4/16/2019	Already available from ULSP Project
CMC Approval	2/15/2021	CESG Poll for Pub,ication started 31 May 2020
Total Time to Complete (in months)	21