[CESG] CSS Area Technical Note: Functional Resource Model

Barkley, Erik J (3970) erik.j.barkley at jpl.nasa.gov
Wed Aug 24 18:43:13 UTC 2016

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,

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


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