7.1 Overview [Dido Solutions, Inc Wiki]

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====== 7.1 Overview ======
[[fxdemo:03-part:07-fx-demo-logical-node-roles:start | Go To FX Demo Logical Node Roles ]]

The FX Demo Logical Node Roles specialize the Part 2 [[dido:99_annexes:annex-b-terms-and-definitions:l:logical_node_role|Logical Node Role]] concept for the [[dido:99_annexes:annex-b-terms-and-definitions:f:foreign_exchange_domain|Foreign Exchange Domain]].

An FX logical [[dido:99_annexes:annex-b-terms-and-definitions:l:logical_node_role|Logical Node Role]] identifies a domain-specific responsibility performed by an FX logical [[dido:99_annexes:annex-b-terms-and-definitions:l:logical_node|Node]]. FX logical [[dido:99_annexes:annex-b-terms-and-definitions:l:logical_node_role|Node Roles]] allow the profile to describe what each FX logical [[dido:99_annexes:annex-b-terms-and-definitions:l:logical_node|Node]] does without prescribing implementation components, processes, services, containers, pods, runtime scripts, or deployment units.

The FX Demo Logical Profile uses roles to keep responsibilities distinct across transaction intake, validation, semantic interpretation, contract state management, cash-flow computation, policy evaluation, release control, audit recording, provenance recording, health reporting, registry and coordination, replay and reconstruction, and oversight consumption.

A single FX logical [[dido:99_annexes:annex-b-terms-and-definitions:l:logical_node|Node]] performs one or more FX logical [[dido:99_annexes:annex-b-terms-and-definitions:l:logical_node_role|Node Roles]]. The profile assigns the same FX logical [[dido:99_annexes:annex-b-terms-and-definitions:l:logical_node_role|Node Role]] to multiple FX logical [[dido:99_annexes:annex-b-terms-and-definitions:l:logical_node|Nodes]] when redundancy, partitioning, jurisdictional separation, organizational separation, or parallel processing requires that distribution.

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