====== 16.7 Multi-Node Startup ======

[[fxdemo:04-part:16-phase-0-script-and-execution-model:start | Go To Phase 0 Script and Execution Model ]]

Phase 0 may include a multi-node startup script or equivalent controlled procedure.

The multi-node startup script starts a controlled set of implementation participants in an approved order or coordination pattern. It supports demonstration of the Phase 0 interaction baseline, such as node status reporting, transaction intake, validation, semantic interpretation, contract state processing, cash-flow computation, policy decision, release package preparation, audit/provenance recording, or replay/reconstruction.

The multi-node startup script should identify:

  - Implementation participants included in the run
  - FX logical [[dido:99_annexes:annex-b-terms-and-definitions:n:node|Nodes]] or Node Roles those participants realize
  - Startup order or coordination expectations
  - Required configuration artifacts
  - Required DDS Topic and QoS context
  - Expected health and observability behavior
  - Expected logging behavior
  - Expected failure behavior
  - Relationship to later Part 5 testability and evidence planning

The script supports repeatable execution. It does not replace deployment orchestration or runtime operations. Part 5 defines deployment and operational execution concerns.

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