[CESG] Requesting SSG "consensus": QSCID Question (small correction)

Gian.Paolo.Calzolari at esa.int Gian.Paolo.Calzolari at esa.int
Tue Jun 15 10:07:06 UTC 2021

Actually I meant:
This could be a way to still be friendly to requester but avoiding a 
"interpretable" task to SANA.



From:   Gian Paolo Calzolari/esoc/ESA
To:     "Shames, Peter M\(US 312B\)" <peter.m.shames at jpl.nasa.gov>
Cc:     "CCSDS Engineering Steering Group - CESG Exec" 
<cesg at mailman.ccsds.org>, "Marc Blanchet" <marc.blanchet at viagenie.ca>, 
"SANA Steering Group (SSG)" <ssg at mailman.ccsds.org>
Date:   15-06-21 11:03
Subject:        Re: [CESG] Requesting SSG "consensus": QSCID Question

        I concur with Marc analysis and with your considerations but I 
wonder whether a softer approach could be used.
I mean that - since the SCID values are all public at 
https://sanaregistry.org/r/spacecraftid/ - an Agency has all the means to 
check if a value is free or assigned.  (Some remarks below)
Therefore, one chance could be leaving the “pick your own number” option 
but requiring that the research for availability be performed and included 
in the request by the requester,

This could be a way to still be friendly to requester but avoiding a 
"interpretable" task to NASA.

Last, but not least I think CMC shall be polled on this question as the 
task is mainly on Agency Delegates or persons acting on behalf of their 
Agency Delegate.

My cent,,,


PS with respect to the specific request I first looked for decimal 68 = 
Hex 44 and I find it assigned to NILESAT-2 for both TM and TC. Then I also 
saw that 116 = Hex 74 is assigned to MSL98-Flight and 229 = E5 Hex is 
assigned to STELLATsim.
This is just to say that the requester would have been able to know that 
his request  “pick your own number”  was a mission impossible.
In case those values were free, he could have stated this in his analysis 
justifying the ticked “pick your own number” option.

From:   "Shames, Peter M\(US 312B\) via CESG" <cesg at mailman.ccsds.org>
To:     "SANA Steering Group (SSG)" <ssg at mailman.ccsds.org>
Cc:     "Marc Blanchet" <marc.blanchet at viagenie.ca>, "CCSDS Engineering 
Steering Group - CESG Exec" <cesg at mailman.ccsds.org>
Date:   15-06-21 01:52
Subject:        [CESG] Requesting SSG "consensus": QSCID Question
Sent by:        "CESG" <cesg-bounces at mailman.ccsds.org>

Hi Marc,
I completely sympathize with your situation.  I would agree that these 
kinds of requests are really pretty unreasonable since the QSCID ought to 
be a simple ID in a table in any reasonably designed software system.
I am also concerned, when they say “TLM and TC” that they are thinking 
“old school SCID” and not necessarily realizing that there are separate 
QSCIDs for different protocols.  Do they really mean TLM, i.e. TM 
protocol, and not AOS?
Unless someone on the SSG strongly objects I am going to suggest that we 
remove the “pick your own number” option from the SANA SCID website and 
tell them “You get one of the available numbers, as assigned by our 
In accordance with CCSDS Consensus processes "Can anyone not live with 
this choice? “
Thanks, Peter
From: SSG <ssg-bounces at mailman.ccsds.org> on behalf of Marc Blanchet 
<marc.blanchet at viagenie.ca>
Date: Monday, June 14, 2021 at 2:07 PM
To: "SANA Steering Group (SSG)" <ssg at mailman.ccsds.org>
Subject: [EXTERNAL] [SSG] Fwd: QSCID Question
 We have work hard to fulfill those in the past., but with all the 
multiple overlaps over multiple bands, these kind of requests for 
«specific assignments » are becoming complicated to fulfill, are time 
consuming and potentially error prone.  We would like at some point that 
we have the right to just say: « sorry, we can’t fulfill specific 
assignments ».  We would like to have guidance from the SSG about these. 

Début du message transféré :
De: "'Blalock, John R. (GSFC-459.0)[PERATON, INC]' via Engineering" <
eng at viagenie.ca>
Objet: QSCID Question
Date: 14 juin 2021 à 10:29:04 HAE
À: SANA <info at sanaregistry.org>
Cc: "Zaki, Bashaer E (GSFC-450.0)[Internet Consulting Services, LLC]" <
bashaer.e.zaki at nasa.gov>
Répondre à: "Blalock, John R. (GSFC-459.0)[PERATON, INC]" <
john.r.blalock at nasa.gov>
One of our missions would like to know if some V1 QSCIDs are available for 
TLM and TC in the X-band to match their other SCIDs. Are any of the QSCIDs 
below available for us to request? (all in decimal)
John Blalock Jr.
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