[CMC] Fw: [CESG] CCSDS-OMG Liaison: Satellite Command & Control Message Specification (C2MS)

Thu Aug 2 16:15:57 UTC 2018

Dear CMC members, dear James, 
you may recall  that recently the MOIMS AD reported an issue with the SM&C 
Working Group. Namely the fact that some members of that WG claimed an 
overlap between the recommendation that they are producing (the MO 
Services)  and the the OMG (proposed) standard C2MS. 
This has been outlined at the CMC Meeting in Beijing.

I (try to)  summarise here following the issue:

1) The SM&C working group discussed potential overlap during the 
Gaithersburg meeting. No agreement could be reached: the NASA chair 
believed there was no overlap, the members of the WG (DLR, CNES, ESA, 
including the ESA deputy chair) believed there was significant overlap.

2) MOIMS AD/DAD presented the issue at the CESG meeting in Gaithersburg. 
The CESG requested that a TN detailing the overlap is produced by the SM&C 
WG. It was also agreed that MOIMS AD, in his role as CCSDS liaison to OMG, 
gives a head up to OMG that a TN is being produced.

3) The OMG decided not to consider the head up that had been  provided by 
the CCSDS liaison. The OMG Space Domain Task Force forwarded the C2MS 
specs to OMG management for approval.

4) The SM&C WG (except the NASA chair) produced the technical note, which 
has been sent to the CESG for comments.

5) the a.m. Technical Note, is attached to this e-mail for your 
information and comments.

The plan of actions is that the CESG will assess the TN , and the relevant 
comments will be discussed at the CESG Telecon on 5th September.
The outcome will then be forwarded to CMC, for further discussion and 
decision.

Given the fact the OMG already proceeded with the C2MS, the above 
discussion may look superseded by facts. Still, for the sake of coherency 
and for completeness of information, the OMG should receive such TN, in 
case there will be consensus on that within CCSDS.
I will address this further at  the CMC Telcon on 22 August.
Kind regards,
Margherita

--------------------------------------------------------------
Margherita di Giulio
Data Systems Infrastructure Division (OPS-GI)

European Space Agency ESA/ESOC
Robert-Bosch-Str. 5
D-64293 Darmstadt - Germany
Tel: +49-6151-902779
e-mail: Margherita.di.Giulio at esa.int

----- Forwarded by Margherita di Giulio/esoc/ESA on 02/08/2018 09:28 -----

From:   Margherita.di.Giulio at esa.int
To:     Mario.Merri at esa.int
Cc:     cesg at mailman.ccsds.org
Date:   25/07/2018 20:37
Subject:        Re: [CESG] CCSDS-OMG Liaison: Satellite Command & Control 
Message Specification (C2MS)
Sent by:        "CESG" <cesg-bounces at mailman.ccsds.org>

Dear Mario, dear Brigitte, 
The CESG comments to the Technical Note shall be discussed at the Mid-term 
Telecon on 5th September. I will add this topic to the Agenda. 
Also, I will shortly inform the CMC accordingly. 
Kind regards,
Margherita 

--------------------------------------------------------------
Margherita di Giulio 
Data Systems Infrastructure Division (OPS-GI)

European Space Agency ESA/ESOC
Robert-Bosch-Str. 5
D-64293 Darmstadt - Germany
Tel: +49-6151-902779
e-mail: Margherita.di.Giulio at esa.int

From:        Mario.Merri at esa.int 
To:        cesg at mailman.ccsds.org 
Date:        25/07/2018 11:06 
Subject:        [CESG] CCSDS-OMG Liaison: Satellite Command & Control 
Message        Specification (C2MS) 
Sent by:        "CESG" <cesg-bounces at mailman.ccsds.org> 

Dear CESG, 

As per CESG Action Item from the Gaithersburg meeting, please find 
enclosed the Technical Note describing the overlap between the CCSDS MO 
Services and the OMG (proposed) C2MS. The TN has been produced under DLR 
leadership and it is fully supported by CNES and ESA. I would appreciate 
your comments before sending the TN to the OMG as agreed. Please provide 
any comment you may have before 31Aug18. 

Best regards, 

Brigitte & Mario 

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[attachment "Overlap Assessment between C2MS and MO - Rev. 1.0 - 
2018-06-22.pdf" deleted by Margherita di Giulio/esoc/ESA] 
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