[Sea-sa] FW: [EXTERNAL] WebEx meeting invitation: SCCS-ARD update review scheduled for Tuesday, 23 Nov, 2021 at 0700 AM PST

Shames, Peter M (US 312B) peter.m.shames at jpl.nasa.gov
Wed Nov 10 22:55:12 UTC 2021

Dear CCSDS AD and WG chairs,

The review of the SCCS-ARD has been scheduled for Tuesday, 23 Nov, 2021 at 0700 AM PST.  The draft of the document, which is in rough, “track changes”, form is available on-line.  The proposed updates to the ABA subsections of sections 4, 5, and 6 (except for the security-specific subsections) and posted the draft to the CWE at:


Feel free to download this and review the sections that are of interest most interest to you (or all of it if you wish).  If there are members of your WG who can usefully contribute to this review please feel free to invite them as well.

The Space Communications Cross Support Architecture document (SCCS-ARD) is a cross-cutting Magenta Book that largely covers the SLS, SIS, CSS, and SEA areas and their working groups.  We have being working on an update to this document that primarily covers what are called “ABA” mission configurations, which are those that involve a single mission ops center, a single spacecraft, and a ground station.  The Solar System Internet (SSI) configurations, which involve multiple spacecraft, mission centers, and comm assets, and use the DTN (or IP) protocols, will be in a future update that builds on this foundation.

There have been a number of changes to the CCSDS standards landscape since the last edition was published.  These include:

  *   USLP protocol
  *   The “VCM suite” of variable coding and modulation standards
  *   New CSTS services
  *   New Service Management standards
  *   Updates to the Synch and Channel coding specs, the liberal approaches
  *   New security features in several sections

In addition to these new / updated standards we wish to address the following issues as well:

  *   Improved handling of cross references from the Services viewpoint to the protocol stack details (interface binding signatures)
  *   Revised section structures and cross referencing
  *   Inclusion of “recommended” options and clarification of optional and mandatory features
  *   Discussion of incomplete / optional capabilities like forward file service, handling of details of complexities like MAP service and VC/MC multiplexing, COP on the USLP return link, and CADUs in FF-CSTS given new Pseudo-randomized “Only Idle Data” (OID) frames

Hope to see you at this review.

Thanks, Peter Shames & John Pietras

From: Peter Shames <messenger at webex.com>
Reply-To: Peter Shames <peter.m.shames at jpl.nasa.gov>
Date: Thursday, November 4, 2021 at 3:07 PM
To: Peter Shames <peter.m.shames at jpl.nasa.gov>
Subject: [EXTERNAL] (Forward to others) WebEx meeting invitation: SCCS-ARD update review

You can forward this invitation to others.


Peter Shames invites you to join this WebEx meeting.

SCCS-ARD update review

Tuesday, November 23, 2021

7:00 AM  |  (UTC-07:00) Pacific Time (US & Canada)  |  1 hr 30 mins

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