Data History Manager - SR-008

Program Architecture Layer	Business Logic Layer
Module	Data Management
Component	Data Matching Engine
Level of Importance	Core
Priority	Medium
Social Protection Delivery Chain Stage	Manage

Requirement Description	Maintain a complete history of data changes, allowing reconstruction of registrant status at any point in time
Justification	Enables auditing, trend analysis, and historical reconstructions of registrant data
Use Case	Maintain a complete history of data changes, allowing reconstruction of registrant status at any point in time.
Data Elements Required	Registrant ID, Data Change History, Reconstruction Records
Minimum Technical Specifications	Data Storage: Relational database for storing historical data changes. Change Tracking: SQL triggers for change logs. UI: Basic history view interface.
Standard Technical Specifications	Data Storage: Time-series database for efficient history tracking. Change Tracking: Centralized audit logs with ELK integration. UI: Rich interactive history view.
Advanced Technical Specifications	Data Storage: Immutable ledger for historical data. Change Tracking: Blockchain-based audit for tamper-proof records. UI: AR-based visualization for historical data reconstruction.
Security & Privacy Requirements	Immutable audit records for data changes, encrypted historical data.
Scalability Considerations	Time-series database for scalable data history tracking.
Interoperability Requirements	Integration with audit systems for compliance and historical data review.
Compliance with International Standards	Compliance with ISO 27001 for data change tracking.
User Interface Requirements	Interactive history view for administrators to review and audit data changes.

openIMIS

Data History Manager - SR-008

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