Kubos High-Level Architecture

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                      |                                                             Kubos                                                                      |
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                      |                                                                                     +---------------------------------------------+    |
                      |   +-----------------------------------------------------------------------+         |                  Pub/Sub                    |    |
                      |   |                                                                       |         |                                             |    |
                      |   |     Command & Control                              +-------------+    |         |  +-----------+ +-----------+ +-----------+  |    |
                      |   |                                               +--> |  service1   |    |         |  | publisher | | publisher | | publisher |  |    |
+----------------+    |   |   +-----------------+  +------------------+   |    +-------------+    |         |  +----+------+ +-----+-----+ +-----+-----+  |    |
|                |    |   |   |                 |  |                  |   |                       |     +-> |       |              |             |        |    |
|     Client     | <------+   |                 |  |                  |   |    +-------------+    |     |   |       v              v             v        |    |
|  (shell, GS)   |    |   |   | Command Service +->| Command Registry +------> |  service2   |    +-----+   |                                             |    |
|                +------> |   |                 |  |                  |   |    +-------------+    |     |   |  +-----------+ +-----------+ +-----------+  |    |
|                |    |   |   |                 |  |                  |   |                       |     |   |  | subscriber| | subscriber| | subscriber|  |    |
+----------------+    |   |   +-----------------+  +------------------+   |    +-------------+    |     |   |  +-----------+ +-----------+ +-----------+  |    |
                      |   |                                               +--> |  service3   |    |     |   +---------------------------------------------+    |
                      |   |                                                    +-------------+    |     |                                                      |
                      |   |                                                                       |     |   +---------------------------------------------+    |
                      |   +-----------------------------------------------------------------------+     |   |                                             |    |
                      |                                                                                 +-> |                  Telemetry                  |    |
                      |                             +---------------------------------------------+     |   |                                             |    |
                      |                             |                                             |     |   +---------------------------------------------+    |
                      |                             |             Scheduler Service               | <---+                                                      |
                      |                             |                                             |     |   +---------------------------------------------+    |
                      |                             |  +-------+  +-------+  +-------+  +-------+ +-----+   |             Synchronous APIs                |    |
                      |                             |  |  Job  |  |  Job  |  |  Job  |  |  Job  | |     |   |                                             |    |
                      |                             |  +-------+  +-------+  +-------+  +-------+ |     +-> |  +----------------+  +-------------------+  |    |
                      |                             |                                             |     |   |  |  Application   |  | Core Kubos APIs   |  |    |
                      |                             +---------------------------------------------+     |   |  +----------------+  +-------------------+  |    |
                      |                                                                                 |   +---------------------------------------------+    |
                      |                                                                                 |                                                      |
                      |                                                                                 |   +---------------------------------------------+    |
                      |                                                                                 |   |                                             |    |
                      |                                                                                 +-> |              Software Updater               |    |
                      |                                                                                     |                                             |    |
                      |                                                                                     +---------------------------------------------+    |
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