[CESG] Re: IOAG Liaison request

Shames, Peter M (312B) peter.m.shames at jpl.nasa.gov
Wed Apr 20 17:43:32 UTC 2016

Thanks Nestor.

I’ll leave it for the first acolyte to the Pope to figure out how to navigate these paths without incurring any biblical consequences.  We are, after all, coming up on Passover.


From: Nestor Peccia <Nestor.Peccia at esa.int<mailto:Nestor.Peccia at esa.int>>
Date: Wednesday, April 20, 2016 at 10:17 AM
To: Peter Shames <peter.m.shames at jpl.nasa.gov<mailto:peter.m.shames at jpl.nasa.gov>>
Cc: CCSDS Engineering Steering Group - CESG Exec <cesg at mailman.ccsds.org<mailto:cesg at mailman.ccsds.org>>
Subject: Re: IOAG Liaison request


It is not true, as you stated, that the flow CCSDS - IOAG is uni-directional.

It is also true that we do not have a description of the liaison procedure, but I do not believe that the CESG has to be more catholic than the Pope and include this type of issues in the "Bible"(e.g. YB on Proc & Org).

The CCSDS liasion to IOAG is handling the requests as they surface from the various CESG webexs, CESG or CMC meetings.

Some examples could be mentioned:

  *   An Area announce that can not comply with the "IOAG need date" set up by them in the ICPA  ==> Liaison action: Request in next IOAG webex to reconsider "IOAG need date"
  *   CMC placed an action upon the liaison to suggest the creation of an IOAG WG on Lunar / MArs Mission and its standardization needs ==> Liaison request: Please IOAG assess the need of such Group
  *   CESG decided to promote MO Services ==> Liaison request ==> CCSDS to present during IOAG meeting the MO Services

All these actions are always described in the CESG presentation to IOAG, which the Liaison religiously distribute to the CESG.

Now. coming back to your proposed resolution. I have mentioned during our last CESG meeting that the IOAG has an "Infusion Table" (see below) but it is limited (no info about frequency, coding, modulation, and link layer for comms ).


I will first had an informal word tomorrow with the IOAG Chair and Gippo to get their views, and I, together with Wallace, will address this informally with Jean Marc and Shigeta-san next week in Brazil.

Once that I collect their views we can decide together the way forward (full infusion or phased approach)


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