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fxdemo:00-part:06-reading-the-architecture-as-an-onion:start [2026/06/26 16:26] – owenfxdemo:00-part:06-reading-the-architecture-as-an-onion:start [2026/07/18 12:33] (current) – external edit 127.0.0.1
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 The architecture uses an onion structure. The architecture uses an onion structure.
-At the centre are durable concepts. The next layer defines logical relationships. The next layer specialises those relationships for a financial domain or demonstration. The next layer maps the logical model to selected technologies. The outer layer defines physical deployment, testability, and evidence. Figure 5-1 represents these layers.+At the centre are durable concepts. The next layer defines logical relationships. The next layer specializes those relationships for a financial domain or demonstration. The next layer maps the logical model to selected technologies. The outer layer defines physical deployment, testability, and evidence. Figure 5-1 represents these layers.
   Conceptual Architecture   Conceptual Architecture
   └── Logical Architecture / PIM   └── Logical Architecture / PIM
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 Figure 5-1: Layered structure of the Financial Systems Archetype document layers Figure 5-1: Layered structure of the Financial Systems Archetype document layers
 Each layer depends on the layer inside it. Each layer depends on the layer inside it.
-The outer layers may specialise, realise, deploy, or test inner-layer concepts. They must not redefine those concepts.+The outer layers may specialize, realize, deploy, or test inner-layer concepts. They must not redefine those concepts.
 Table 5-1: Examples of inner-layer concepts and later-layer realisations Table 5-1: Examples of inner-layer concepts and later-layer realisations
-^ Inner-layer concept ^ Later-layer realisation ^+^ Inner-layer concept ^ Later-layer realization ^
 | Communication Endpoint | DDS Topic, API endpoint, message queue, event stream | | Communication Endpoint | DDS Topic, API endpoint, message queue, event stream |
 | Data Structure Definition | IDL structure, JSON Schema, XML Schema, UML/SysML model | | Data Structure Definition | IDL structure, JSON Schema, XML Schema, UML/SysML model |
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 | Evidence | Logs, captured samples, test reports, deployment records, and Crucible records | | Evidence | Logs, captured samples, test reports, deployment records, and Crucible records |
  
-The later-layer realisation does not replace the inner-layer concept.+The later-layer realization does not replace the inner-layer concept. 
 + 
 +---- 
 + 
 +<WRAP centeralign> 
 + 
 +© 2026 Dido Solutions, Inc. and Jackrabbit Consulting, Inc. 
 + 
 +</WRAP> 
  
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