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Technical Standard for SOSA Reference Architecture, Edition 1.1
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Technical Standard for SOSA Reference Architecture, Edition 1.1
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Approved for public release; distribution is unlimited.
Case: AFLCMC-2021-0153; Cleared: 2021-07-12
For information on joining The Open Group SOSA™ Consortium, please send email to
ogsosa-admin@opengroup.us or visit our website at www.opengroup.org/sosa.
The Open Group Standard
Technical Standard for SOSA™ Reference Architecture,
Edition 1.1
You have a choice: you can either create your own future, or you can become the victim of a future
that someone else creates for you. By seizing the transformation opportunities, you are seizing the
opportunity to create your own future.
Vice Admiral (ret.) Arthur K. Cebrowski
ii The Open Group Standard (2023)
Copyright © 2023, The Open Group
The Open Group hereby authorizes you to use this document for any purpose, PROVIDED THAT any copy of this document, or any
part thereof, which you make shall retain all copyright and other proprietary notices contained herein.
This document may contain other proprietary notices and copyright information.
Nothing contained herein shall be construed as conferring by implication, estoppel, or otherwise any license or right under any patent
or trademark of The Open Group or any third party. Except as expressly provided above, nothing contained herein shall be construed
as conferring any license or right under any copyright of The Open Group.
Note that any product, process, or technology in this document may be the subject of other intellectual property rights reserved by The
Open Group, and may not be licensed hereunder.
This document is provided “AS IS” WITHOUT WARRANTY OF ANY KIND, EITHER EXPRESSED OR IMPLIED,
INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY, FITNESS FOR A
PARTICULAR PURPOSE, OR NON-INFRINGEMENT. Some jurisdictions do not allow the exclusion of implied warranties, so the
above exclusion may not apply to you.
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If you did not obtain this copy through The Open Group, it may not be the latest version. For your convenience, the latest version of
this publication may be downloaded at www.opengroup.org/library.
The Open Group Standard
Technical Standard for SOSA™ Reference Architecture, Edition 1.1
ISBN: 1-957866-22-2
Document Number: C239
Authored by The Open Group SOSA™ Consortium.
Published by The Open Group, June 2023.
Comments relating to the material contained in this document may be submitted to:
The Open Group, 800 District Avenue, Suite 150, Burlington, MA 01803, United States
or by electronic mail to:
ogsosa-admin@opengroup.us
Technical Standard for SOSA™ Reference Architecture, Edition 1.1 iii
Contents
1
Introduction ............................................................................................................... 1
1.1 Objective ......................................................................................................... 1
1.2 Overview ......................................................................................................... 2
1.2.1 Reference Architecture Description ................................................ 3
1.2.2 Modular Open System Approach (MOSA)
Fundamentals................................................................................... 3
1.2.3 Business Alignment ......................................................................... 4
1.2.4 Reference Implementation Guide Description ................................ 5
1.3 Conformance Certification ............................................................................. 5
1.4 Normative References ..................................................................................... 6
1.5 Terminology ................................................................................................... 6
1.6 Future Directions ............................................................................................ 6
2
Definitions ................................................................................................................. 8
2.1.1 System Requirements ...................................................................... 8
2.1.2 Specification Keywords .................................................................. 8
3
Architectural Drivers ............................................................................................... 10
3.1 Quality Attributes ......................................................................................... 10
3.2 Architecture Principles ................................................................................. 12
3.2.1 Business-Oriented Architecture Principles .................................... 12
3.2.2 Technically-Oriented Architecture Principles ............................... 13
4
SOSA Architecture Overview ................................................................................. 19
4.1 SV-1 (System Interface Description and Context) ....................................... 19
4.1.1 SOSA Physical Context ................................................................. 20
4.2 SvcV-1 (Services Context Description) ........................................................ 21
4.3 SvcV-2: Services Resource Flow Description .............................................. 27
5
Technical Concepts and Overview .......................................................................... 28
5.1 Taxonomy ..................................................................................................... 28
5.2 Modular Decomposition Approach............................................................... 29
5.3 Applying the Taxonomy to SOSA Procurable Units .................................... 30
5.4 System Management Approach .................................................................... 31
5.5 Airworthiness Concepts and Approach ........................................................ 31
5.5.1 Types of Equipment ...................................................................... 32
5.5.2 Airworthiness of Mission Equipment ............................................ 33
5.5.3 Qualification versus Airworthiness ............................................... 33
5.6 Security Concepts and Approach .................................................................. 33
5.6.1 Security Manager .......................................................................... 34
5.7 SOSA Data Model ........................................................................................ 34
5.7.1 DIV-1: Conceptual Data Model .................................................... 35
5.7.2 DIV-2: Logical Data Model .......................................................... 35
5.7.3 DIV-3: Physical Data Model ......................................................... 35
5.8 Inter-Module Interaction Approach .............................................................. 35
5.8.1 Inter-Module Interactions .............................................................. 35
5.8.2 SOSA Sensor Interconnects .......................................................... 35
6
System Management ............................................................................................... 37
iv The Open Group Standard (2023)
6.1 System Management Architecture ................................................................ 37
6.1.1 System Manager Functionality ...................................................... 38
6.1.2 In-Band System Management Interactions ................................... 41
6.2 In-Band System Management Definitions .................................................... 43
6.2.1 In-Band System Management GENERAL PROFILE
Technology Bindings .................................................................... 43
6.2.2 In-Band System Management Syslog Event
Notifications .................................................................................. 44
6.2.3 In-Band System Management Definition Structure ...................... 46
6.2.4 System Manager Module In-Band System
Management Definitions ............................................................... 46
6.2.5 Generic SOSA Module In-Band System Management
Definitions ..................................................................................... 59
6.2.6 Security Services Module In-Band System
Management Definitions ............................................................... 63
6.2.7 SOSA Chassis Manager In-Band System Management
Definitions ..................................................................................... 71
6.2.8 SOSA PIC In-Band System Management Definitions .................. 77
6.2.9 SOSA Plug-In Card with Software RTE In-Band
System Management Definitions .................................................. 84
6.3 Out-of-Band Hardware Management Overview ........................................... 92
6.4 Out-of-Band Hardware Management Definitions ........................................ 95
6.4.1 Chassis Manager Out-of-Band System Management
Definitions ..................................................................................... 96
6.4.2 Hardware Element Out-of-Band System Management
Definitions ..................................................................................... 97
6.5 SOSA Component State Management ........................................................ 101
6.5.1 Sensor State Management ........................................................... 101
6.5.2 PIC State Management ................................................................ 103
6.5.3 Module State Management .......................................................... 106
6.5.4 Secure System Start-Up ............................................................... 108
7
Task Management ................................................................................................. 114
7.1 Task Manager Module ................................................................................ 114
7.1.1 Module Definition ....................................................................... 114
8
Transmission/Reception ........................................................................................ 119
8.1 Conditioner-Receiver-Exciter ..................................................................... 119
8.2 Emitter/Collector ........................................................................................ 121
8.3 RF Signal Layer Definitions ....................................................................... 122
8.3.1 Modular Open RF Architecture ................................................... 122
8.3.2 Application of MORA to RF Signal Layer Modules .................. 123
8.3.3 RF Conditioner-Receiver-Exciter Module .................................. 124
8.3.4 RF Emitter/Collector Module ...................................................... 127
8.3.5 RF Signal Layer Interactions ....................................................... 128
8.3.6 RF Signal Layer Module Rules ................................................... 136
8.4 EO/IR Definitions ....................................................................................... 137
9
Process Signals/Targets ......................................................................................... 138
9.1 Signal/Object Detector & Extractor ............................................................ 138
9.2 Signal/Object Characterizer ........................................................................ 139
Technical Standard for SOSA™ Reference Architecture, Edition 1.1 v
9.3 Image Pre-Processor ................................................................................... 141
9.4 Tracker ........................................................................................................ 143
10
Analyze and Exploit .............................................................................................. 146
10.1 External Data Ingestor ................................................................................ 146
10.2 Encoded Data Extractor .............................................................................. 146
10.3 Situation Assessor ....................................................................................... 147
10.4 Impact Assessor & Responder .................................................................... 148
10.5 Storage/Retrieval Manager ......................................................................... 148
11
Convey .................................................................................................................. 151
11.1 Reporting Services ...................................................................................... 151
12
Support System Operation .................................................................................... 152
12.1 Security Services......................................................................................... 152
12.1.1 Software Package Verification Service ....................................... 152
12.2 Security Services Module ........................................................................... 153
12.2.1 Definition .................................................................................... 153
12.2.2 Audit Subsystem.......................................................................... 153
12.2.3 Key Management Service ........................................................... 157
12.2.4 Authentication Service ................................................................ 159
12.2.5 Authorization Service .................................................................. 160
12.2.6 Zeroization .................................................................................. 160
12.3 Encryptor/Decryptor ................................................................................... 162
12.3.1 Encryptor/Decryptor Common Rules .......................................... 162
12.3.2 Encryptor/Decryptor Rules for DARE ........................................ 164
12.4 Guard/Cross-Domain .................................................................................. 165
12.5 Network Subsystem .................................................................................... 165
12.6 Calibration Service ..................................................................................... 166
12.7 Nav Data Service ........................................................................................ 166
12.8 Time & Frequency Service ......................................................................... 167
12.9 Compressor/Decompressor ......................................................................... 167
12.10 SOSA Host Platform Interface ................................................................... 168
12.10.1 Definition .................................................................................... 168
12.10.2 Interactions .................................................................................. 168
12.11 Power .......................................................................................................... 179
13
Hardware Element ................................................................................................. 181
13.1 PIC Use-Cases ............................................................................................ 181
13.2 SOSA Plug-in Cards Using OpenVPX ....................................................... 182
13.2.1 SOSA PICP Form Factors ........................................................... 182
13.2.2 SOSA PIC Common Electrical and Functional
Requirements ............................................................................... 182
13.2.3 Utility Plane Requirements ......................................................... 182
13.2.4 General Mechanical ..................................................................... 184
13.2.5 Cooling Methods ......................................................................... 188
13.2.6 PSC General Rules ...................................................................... 189
13.2.7 Mezzanine Cards ......................................................................... 198
13.2.8 Maintenance Console Port ........................................................... 198
13.2.9 Overlays ...................................................................................... 200
13.2.10 Certificate of Volatility (CoV) .................................................... 202
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