[SLS] [CESG] CSS Area Technical Note: Functional Resource Model

[Gian.Paolo.Calzolari at esa.int]

Dear Erik,
        you say " I believe it will be of particular interest for the SLS 
Area as we believe these are the experts that will really know if the 
wiring makes sense".
However the document - even accepting changes - is about 190 pages, so it 
would be nice to understand what kind of feedback you expect from SLS Area 
as well as knowing which sections would really be of interest of any given 
WG in SLS. I think specially the latter would prevent misunderstanding and 
overlooking of interesting items.

Thanks

Gian Paolo



From:   "Barkley, Erik J (3970)" <erik.j.barkley at jpl.nasa.gov>
To:     "CESG -- CCSDS-Engineering Steering Group (cesg at mailman.ccsds.org) 
(cesg at mailman.ccsds.org)" <cesg at mailman.ccsds.org>
Date:   24/08/2016 20:45
Subject:        [CESG] CSS Area Technical Note:  Functional Resource Model
Sent by:        "CESG" <cesg-bounces at mailman.ccsds.org>



CESG Colleagues,
 
Following up from the spring 2016 CESG meeting notes,  I have the action 
?EB to distribute TN?.  The TN referred to here is the Functional 
Resources Model which is now one of the  key ?pillars? for standards being 
developed in the CSS Area.  It can be viewed as the next logical layer 
down from the Cross Support Architecture documents.   You may recall at 
the last CESG meeting I noted that it will be good to have CESG review and 
comment on this.  As this can also be viewed as the abstract ?wiring? 
diagram for cross-support component at the link level, I believe it will 
be of particular interest for the SLS Area as we believe these are the 
experts that will really know if the wiring makes sense. 
 
Here are some notes/background to help guide you in reading through this:
 
a)      In general, the Cross Support Services Area has the job of 
developing recommended standards to facilitate cross support between 
agencies between the various agency ground station networks and the 
various spacecraft. This means that we are faced with the problem of 
identifying the various components that render the various cross support 
services without discussing these in terms of specific equipment 
implementation details. The functional resource model represents our 
current best understanding of the various service resources required in 
the cross support setting but at an abstract level.
b)      In general, the cross support services area recommendations have 
to allow for extensibility. For example, as optical communication becomes 
more and more of a reality, presumably we do not want to have the cross 
support services recommendations being redeveloped from scratch to address 
the management of optical space links versus the more traditional radio 
frequency space links. The functional resource model supports such an 
extensible capability.
c)      Please ignore the editorial comments in the document ? these are 
essentially status notes from the technical note author and are 
indications for the work that we in the cross support services area need 
to do on the functional resource model. However the main body of the 
technical note is sufficiently intact that I believe it is more beneficial 
to take a look now rather than waiting for the updates to be performed.
d)      If you are pressed for time and/or to gain some basic familiarity 
my suggestion is to look at figures/diagrams 2-1 through 2-4. 
 
I realize this is a rather substantial technical note (it is sufficiently 
substantial that it may one day be put on a normative document track), but 
any comments you may have by the time of the Rome meetings will be 
appreciated.  Given the non-trivial nature of this I think we can also 
consider more discussions at the San Antonio meetings as well.
 
Best regards,
-Erik
 
 
From: cesg-bounces at mailman.ccsds.org [
mailto:cesg-bounces at mailman.ccsds.org] On Behalf Of Nestor.Peccia at esa.int
Sent: Monday, April 11, 2016 4:15 PM
To: CESG -- CCSDS-Engineering 
SteeringGroup(cesg at mailman.ccsds.org)(cesg at mailman.ccsds.org) 
<cesg at mailman.ccsds.org>
Subject: [CESG] CESG Meeting on 11th April 2016 : Draft Motes
 
Dear all, 
draft notes attached 


Comments by Friday 15th April 2016 cob 

ciao 
nestor
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