[Sls-sea-dls] response to AI SDLS0414/03

[Moury Gilles]

Dear SDLS WG member,

Please find attached the proposed modification of TM and AOS space data link recommendations to introduce a type-OCF to report real-time on the operation of SDLS on the uplink:

-       In the frame of SDLS WG (SDLS "extended procedures" project), I have been tasked to draft a modification of specification in TM and AOS Space Data Link Protocols books to define a type-2 OCF to accommodate a real-time report of the TC link for the SDLS protocol. This so-called "Command Link Security Report (CLSR)" has been proposed by CNES and adopted by SDLS WG as an optional capability to report on-line the status of the on-board SDLS receiver. This CLSR is the equivalent (for SDLS) of the CLCW (for the COP). CLSR proposal is detailed in the attached ppt file.
-       I have drafted modifications of section 4.1.5 (Operational Control Field) of TM (and AOS) blue books, to introduce the necessary specification of this CLSR as a CCSDS defined Type-2-Report (see attached word file). This modification to TM and AOS recommendations will be presented and discussed with Space Link Protocols WG at the London meeting
-       The specification of the content of the CLSR will be in the SDLS "extended procedures" future blue book (355.1)


Best regards,

Gilles

Gilles Moury
SDLS WG chairman




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