8.9 FX Policy and Release Node Mapping [Dido Solutions, Inc Wiki]

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====== 8.9 FX Policy and Release Node Mapping ======

[[fxdemo:04-part:08-mapping-from-fx-logical-nodes-to-implementation-artifacts:start | Go To Mapping from FX Logical Nodes to Implementation Artifacts ]]

The FX Policy and Release [[dido:99_annexes:annex-b-terms-and-definitions:l:logical_node|Node]] maps to the Phase 0 implementation artifact that evaluates release conditions and prepares authorized FX information for external oversight consumption.

The implementation artifact performs the Policy Evaluation [[dido:99_annexes:annex-b-terms-and-definitions:l:logical_node_role|Role]] and the Release Control Role. It consumes selected FX information, applies the Phase 0 policy and release logic, produces an implementation representation of an FX Policy Decision, and produces an implementation representation of an FX Release Package when the decision permits release.

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**Table 8-7:** FX Policy and Release Node implementation mapping.
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^ Mapping Concern ^ Phase 0 Implementation Treatment ^
| FX logical Node | FX Policy and Release Node |
| Primary Node Roles | Policy Evaluation Role; Release Control Role |
| Primary Runtime Plane | FX Logical Policy and Release Plane |
| Supporting Runtime Planes | FX Logical Data Plane; FX Logical Audit and Provenance Plane |
| Primary implementation responsibility | Evaluate release conditions and prepare authorized release packages. |
| Primary DDS interactions | Subscribe to selected FX data DDS Topics; publish to the DDS Topics that realize the FX Policy Decision Endpoint and the FX Release Package Endpoint. |
| Primary data artifacts | IDL and generated types representing the FX Policy Decision and the FX Release Package. |
| Supporting artifacts | Policy helper module, release helper module, redaction or transformation configuration where Phase 0 requires it, logging helper, and traceability metadata. |
| Traceability expectation | Implementation artifact traces to the FX Policy and Release Node, Policy Evaluation Role, Release Control Role, FX Policy Decision Endpoint, FX Release Package Endpoint, FX Policy Decision, and FX Release Package. |

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