[CCSDS Observers] CCSDS Review of CCSDS 922.3-R-1, Cross Support Transfer Service—Forward Frame Service

[CCSDS Rapporteur]

Control Number: RP 19-01

The following draft CCSDS Recommended Standard has been placed on 
line for CCSDS Agency review:

       CCSDS 922.3-R-1.  Cross Support Transfer Service--Forward
                        Frame Service.  Red Book.  Issue 1.
                         December 2018.

DOCUMENT DESCRIPTION:  This draft Recommended Standard defines the 
Forward Frame Cross Support Transfer Service, a service that provides 
the transfer of fixed-length and variable-length Transfer Frames and 
Channel Access Data Units to a Provider Cross Support Service System 
Earth-Space Link Terminal (e.g., a ground station) to be encoded (as 
needed) and radiated to a Space User Node (e.g., a Mission 
spacecraft). The supported variable-length Transfer Frames include 
CCSDS Telecommand Transfer Frames and variable-length CCSDS Unified 
Space Data Link Protocol (USLP) Transfer Frames. The supported 
fixed-length Transfer Frames include the CCSDS Advanced Orbiting 
System Transfer Frames and fixed-length USLP Transfer Frames.

The due date for receipt of Agency review comments by the Review 
Coordinator is 8 April 2019.  More information is available at the 
Web site identified below.

The review document, in Portable Document Format (PDF), and 
associated review materials are available for downloading at the 
following location:

     http://public.ccsds.org/review/

REMINDER:  Agency Heads of Delegation are to make their own 
arrangements for review participation by their Agency-sponsored Associates.

NOTE: Per CMC Action Item CMC-A-2007-10-05, agency reviewers are 
reminded to review for compliance with the CCSDS Publications Manual 
as well as technical content.