====== P2-REQ-16-3-007 ====== [[dido:99_annexes:annex-d-requirements:part-02:start| Return to Requirements]] ===== Statement ===== Logical Node Collaboration SHALL identify explicit logical cooperation among [[dido:99_annexes:annex-b-terms-and-definitions:l:logical_node|Logical Nodes]] through [[dido:99_annexes:annex-b-terms-and-definitions:c:communication_endpoint|Communication Endpoints]] and interaction patterns. ===== Source ===== Part 2, Section 16.3: Logical Node Requirements. ===== Rationale ===== Logical Node Collaboration defines how Logical Nodes cooperate without introducing hidden dependencies or implementation-specific relationships. Explicit collaboration improves interoperability, reviewability, governance, and traceability. ===== Applies To ===== This requirement applies to Logical Node collaboration throughout the Logical Architecture. It applies specifically to: * Logical Nodes; * Logical Communication Endpoints; * Interaction Patterns; and * Domain Logical Profiles. ===== Verification ===== Verification SHALL confirm that Logical Node Collaboration identifies explicit cooperation among Logical Nodes. Verification activities should include review checks confirming that: * collaborations are explicitly identified; * Logical Nodes cooperate through Communication Endpoints; * interaction patterns describe the collaboration; and * hidden dependencies are avoided. ===== Traceability ===== This requirement supports traceability between collaborating Logical Nodes, Communication Endpoints, and Logical Interaction Patterns. Related requirement identifiers: * [[dido:99_annexes:annex-d-requirements:part-02:p2-req-16-3-001]] * [[dido:99_annexes:annex-d-requirements:part-02:p2-req-16-3-006]] * [[dido:99_annexes:annex-d-requirements:part-02:p2-req-16-4-001]] Related source section: * [[fxdemo:02-part:16-logical-requirements:16-3-logical-node-requirements:start]] ===== Status ===== Draft ---- © 2026 Dido Solutions, Inc. and Jackrabbit Consulting, Inc.