[CESG] CESG-P-2018-09-002 Approval to release CCSDS 922.3-R-1, Cross Support Transfer Service—Forward Frame Service (Red Book, Issue 1) for CCSDS Agency review

CCSDS Secretariat thomas.gannett at tgannett.net
Mon Dec 10 19:54:42 UTC 2018

Dear CESG Members,

Conditions for approval of CESG-P-2018-09-002 
Approval to release CCSDS 922.3-R-1, Cross 
Support Transfer Service—Forward Frame Service 
(Red Book, Issue 1) for CCSDS Agency review have 
been disposed to the satisfaction of the AD who 
voted to approve with conditions. The Secretariat 
will now proceed with CMC polling to authorize release for Agency review.

>To: John Pietras <john.pietras at gst.com>
>Cc: "Holger.Dreihahn at esa.int" <Holger.Dreihahn at esa.int>,
>         "Pham, Timothy T (3300) 
> (timothy.t.pham at jpl.nasa.gov)" <timothy.t.pham at jpl.nasa.gov>,
>         Wolfgang Hell <wo_._he at t-online.de>,
>         "Tom Gannett" <thomas.gannett at tgannett.net>
>Subject: Re: FF-CSTS PID response package  // Conditions satisfied
>From: Gian.Paolo.Calzolari at esa.int
>Date: Fri, 23 Nov 2018 15:34:45 +0100
>Dear John,
>         finally I had time to look at your 
> extensive reply and I can state that my conditions are satisfied.
>Tom can then proceed with edits and CMC Poll as appropriate.
>While receiving the updated version will be 
>appreciated, there is no need to wait for my 
>further checks on it; i.e. I am sure that your 
>analysis is going to produce version suitable to 
>Agency Review (and for which I can issue RIDs if required).
>Thank you all again for the friendly collaboration.
>Gian Paolo
>From:        John Pietras <john.pietras at gst.com>
>To:        "Holger.Dreihahn at esa.int" 
><Holger.Dreihahn at esa.int>, 
>"Gian.Paolo.Calzolari at esa.int" <Gian.Paolo.Calzolari at esa.int>
>Cc:        Wolfgang Hell <wo_._he at t-online.de>, 
>"Pham, Timothy T (3300) 
>(timothy.t.pham at jpl.nasa.gov)" <timothy.t.pham at jpl.nasa.gov>
>Date:        12-11-18 17:52
>Subject:        FF-CSTS PID response package
>Dear Holger and Gian Paolo,
>Attached is the CESG PID-response version of the 
>candidate Forward Frame Red Book. In addition to 
>the updated FF book itself, the attached zip 
>file includes an annotated copy of Gian 
>Paolo’s PID document, in which I responded to 
>each point, and a folder of the original 
>artwork. According to our agreement at the Fall 
>Workshop discussion of the PIDs, Gian Paolo will 
>confirm to the WG and Tom Gannett that his PIDs 
>have been satisfied, at which point Holger can 
>send the package to Tom to process for the CMC review.
>As we discussed at the Fall Workshop, I have 
>re-oriented the discussion of the underlying 
>production processes away from specific 
>Functional Resources and toward the functions as 
>they are identified in the actual CCSDS data 
>link protocol and sync and channel coding 
>specifications. I believe that this has several 
>benefits: principal of which are that (a) the 
>CCSDS reviewer/reader does not have to mentally 
>bridge the translation from published function 
>specifications to way that they are packaged in 
>FRs (which, as Gian Paolo states, in some cases 
>represent design decisions that are really 
>tangential to the Forward Frame service itself), 
>and (b) in particular it lets us avoid getting 
>painted into a corner defining the functional 
>resource that will represent the 
>to-be-determined fixed-frame coding schemes for 
>the forward link. The changes the result from 
>this reorientation are most prominent in 
>sections 2 and annexes G and I. Annex I, by the 
>way, has been expanded to include explicit 
>example configurations for both fixed and variable-length USLP frames.
>Also as agreed at the Fall Workshop, the 
>normative sections of the book are now focused 
>on support for CCSDS-compliant combinations of 
>TC, AOS, and USLP space data link protocols, TC 
>sync and channel coding, and the TBD subset of 
>TM sync and channel coding functions. A few 
>hints at possible wider applicability are 
>sprinkled throughout as Notes, but what Gian 
>Paolo calls “cheats” are mainly addressed by 
>the new informative Annex J, Example Extended 
>Use Cases for the Forward Frame Service.
>Best regards,
>  [attachment 
> "922x3r0_CESG_Approval-PID_response.zip" 
> deleted by Gian Paolo Calzolari/esoc/ESA]
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