[Cesg-all] Projects with large delays / SLS reply

[Gian.Paolo.Calzolari at esa.int]

Dear Nestor,
        your main question is "to determine if the delayed projects should 
be closed or remain open" and I confirm that all those SLS project listed 
below SHALL remain open.

As additional comment I can say that often Green Book suffer of the low 
priority and have to stay long time in the queue for polls and 
publication.
At the bottom of this mail you also find a specific input by RFM WG.and 
MHDC WG.

Best Regards

Gian Paolo



--------------------------------------------------------------
Dear SLS AD and DAD,

concerning the  "Evolutions of CCSDS recommendations for RF & Modulation 
5.01 RF and Modulation Working Group Blue" indicated to have a 36 months 
delay, there is a basic interpretation problem.



This project calls mainly for updating document CCSDS 401 BB that, as you 
know well, is a collection of currently 109 individual self-standing 
recommendations. From 2008 until now, new items have been added to the 
project almost every year resulting in an overall shift of the project 
completion date. For instance, the impact of NGU requirements on existing 
telecommand recommendations, the inclusion of ACM/VCM jointly developed 
with the C&S WG as additional recommendation, or the alignment of the 8 
GHz Earth exploration recommendation with the new 26 GHz recommendation 
were not included in the first version of the project.
While some delay with some of the items is present and has been properly 
flagged at each meeting via the SLS area report (for instance with 
emergency communication, MSPA, 22 GHz modulations), the main cause of the 
ECD-DA change is the addition of new items to the project.

Later this year,  the WG will ask for including a revision of the DDOR 
recommendation and a new ranging technique (telemetry ranging) to the 
project. These requests, if accepted by CMC, will further delay the 
overall completion date as resources are normally not increased..

Additionally, this project is indicated as the one with the second longest 
delay (36 months.) However, the delay has to be scaled to the estimated 
duration: for instance 36/109 is about 33% whereas other projects that are 
ranked better have ratios like 24/46 or 52%, etc..... I believe that the 
worst case is the project with 29/16 that corresponds to 55%.

I trust you can convey the message to treat this special project 
differently from the others to the CMC. Splitting the project in 109+ 
individual projects just for showing that most of them are on time is not 
considered a good way forward.

Best Regards, Enrico
-----------------------------------------------------------
The two items listed for MHDC are (a) Issue 2 of CCSDS-122.0-B and (b) 
CCSDS-122.0-B.

For (a): we already have a resolution requesting promotion to Red Book and 
agency review.
For (b): we are in the final stages of edits and we expect to request 
promotion to Red Book probably near the end of this month.

So my recommendation is to keep both projects open.

Aaron

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