[Sls-sea-dls] [EXTERNAL] SDLS EP GB figures 4-1, 4-2

[Kazz, Greg J (US 312B)]

Hi Craig,

My only comment is by including  “Physical Elements” such as the “Onboard Computer X, Command and Data Handling ” as well as busses, the diagrams to me come across very implementation like, i.e., like a C&DH unit. The other elements in the diagram are functional except for the generic buses. I suspect some implementation could do this all in a Software reprogrammable radio instead of having a C&DH. It clearly implies a certain architecture. Maybe there is no way to avoid this. Not sure.

Regards,
Greg

From: SLS-SEA-DLS <sls-sea-dls-bounces at mailman.ccsds.org> on behalf of "Biggerstaff, Craig (JSC-CD42)[SGT, INC] via SLS-SEA-DLS" <sls-sea-dls at mailman.ccsds.org>
Reply-To: "Biggerstaff, Craig (JSC-CD42)[SGT, INC]" <craig.biggerstaff at nasa.gov>
Date: Friday, May 28, 2021 at 7:12 AM
To: "sls-sea-dls at mailman.ccsds.org" <sls-sea-dls at mailman.ccsds.org>
Subject: [EXTERNAL] [Sls-sea-dls] SDLS EP GB figures 4-1, 4-2

Dear SDLS WG,

Attached are proposed updates to Figures 4-1 and 4-2, modified to illustrate more clearly the data paths and the differences between using MAP/VC versus e.g. APID to address separate security units.  Please provide any suggested improvements.

Thanks and best regards,



Craig Biggerstaff

[KBR - Copy]
KBR  |  Senior Engineer Specialist, Mission Systems Operations Contract
2101 NASA Parkway, Mail Code CD4  |  Houston, Texas 77058  |  USA
Office: +1 281.483.2027  |  craig.biggerstaff at nasa.gov<mailto:craig.biggerstaff at nasa.gov>

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