8.13 FX Replay and Reconstruction Node Mapping

Go To Mapping from FX Logical Nodes to Implementation Artifacts

The FX Replay and Reconstruction Node maps to the Phase 0 implementation artifact that supports replay or reconstruction from preserved records.

The implementation artifact performs the Replay and Reconstruction Role. It consumes implementation representations of an FX Replay Request and relevant audit/provenance records, reconstructs selected information or lineage, and produces an implementation representation of an FX Replay Result.

Table 8-11: FX Replay and Reconstruction Node implementation mapping.

Mapping Concern Phase 0 Implementation Treatment
FX logical Node FX Replay and Reconstruction Node
Primary Node Role Replay and Reconstruction Role
Primary Runtime Plane FX Logical Audit and Provenance Plane
Supporting Runtime Planes FX Logical Control Plane; FX Logical Data Plane
Primary implementation responsibility Replay or reconstruct selected FX information from preserved records.
Primary DDS interactions Subscribe to the DDS Topic that realizes the FX Replay Request Endpoint; publish to the DDS Topic that realizes the FX Replay Result Endpoint.
Primary data artifacts IDL and generated types representing the FX Replay Request and the FX Replay Result.
Supporting artifacts Replay helper module, reconstruction helper module, audit/provenance access helpers, logging helper, and traceability metadata.
Traceability expectation Implementation artifact traces to the FX Replay and Reconstruction Node, Replay and Reconstruction Role, FX Replay Request Endpoint, FX Replay Result Endpoint, FX Replay Request, and FX Replay Result.

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