Enterprise System Reference Topology & Trust Boundaries
In the worked enterprise implementation (CASE-001), technical components are organized into 14 canonical systems across strict statutory trust zones. Every system enforces data-plane purpose bindings, consent verifications, and deletion lifecycles.
Enterprise Architecture Boundary Map
Topology showing Client Intake, Core Production, Governance Core, Analytical Pipelines, and Processor Rings.
[ PUBLIC / UNTRUSTED CLIENT ]
SYS-001 (Customer App & Web Portal)
│
│ FLOW-001 (Notice & Consent PUR-001)
▼
[ DOMESTIC PRODUCTION CORE ]
┌────────────────────────────────────────────────────────┐
│ SYS-002: Core Lending Monolith & Transaction Store │
│ (Primary DB, KYC profiles, loan records, Section 8(7)) │
└──────────────┬────────────────────────┬────────────────┘
│ │
FLOW-002 │ │ FLOW-003 (Analytics Stage)
(PUR-002 opt-in) │ ▼
▼ ┌─────────────────────────────────┐
[ PROCESSOR RING ] │ │ SYS-004: Cloud Data Warehouse │
┌───────────────────┴──────────┐ └────────────────┬────────────────┘
│ SYS-013: Orchestration Queue │ │ [DEC-001 STOP]
│ │ │ ▼
│ ▼ │ ┌─────────────────────────────────┐
│ SYS-003: Marketing Engine │ │ SYS-005: AI/ML Training Cluster │
│ (ENT-004 Marketing Partner) │ └─────────────────────────────────┘
└──────────────────────────────┘
▲
│ FLOW-008 (Withdrawal Tombstone Event)
[ GOVERNANCE & POLICY DECISION POINT (PDP) ]
┌─────────────────────────────────────────────────────────────────────┐
│ SYS-010: Consent Ledger & Policy Decision Point (Token Issuer) │
│ SYS-011: Principal Rights (DSAR) & Grievance Redressal Service │
│ SYS-012: SIEM & Security Dual-Clock Telemetry Store (CERT-In / DPDP)│
│ SYS-014: Restore Quarantine & Tombstone Replay Sandbox │
└─────────────────────────────────────────────────────────────────────┘
Complete System Inventory (SYS-001 to SYS-014)
Canonical breakdown of all enterprise systems, operational trust zones, managed datasets, and statutory controls.
Customer App & Web Portal
Public client boundary and untrusted intake surface presenting Section 5 multilingual notices and capturing Section 6 affirmative consent.
Core Lending Monolith & Transaction Store
Primary production database and core loan transaction engine within India. Acts as the system of record for purpose-bound lending processing (PUR-001).
Marketing Automation Engine
Outbound campaign engine operated by marketing processor ENT-004. Processes contact projections under optional consent (PUR-002).
Enterprise Cloud Data Warehouse
Centralized analytical warehouse with purpose-partitioned storage and privileged access management.
Analytics & AI/ML Training Environment
Machine learning research and model training cluster. Evaluates underwriting algorithms and risk scorecards.
HRMS & Applicant Tracking System
Internal employer information system managing employee payroll records and candidate application dossiers.
Digitized Legacy Document Archive
Cold physical scan and legacy document storage holding historical employer and corporate records.
Foreign-Region Secondary Backup Replica
Offshore disaster recovery replica discovered in baseline audit. Subject to Section 16 cross-border transfer rules.
Overseas Analytics Cluster
Third-party international business intelligence cluster proposing proprietary algorithm reuse.
Consent Ledger & Policy Decision Point
Immutable append-only consent event ledger and Policy Decision Point issuing cryptographic authority tokens for all transactional flows.
Principal Rights & Grievance Service
Self-service orchestration portal for Section 11–14 Data Principal rights, nominee authorizations, and multi-tier grievance redressal.
SIEM & Security Telemetry Store
Security incident telemetry repository maintaining tamper-evident dual-clock audit logs for CERT-In (6h) and DPDP Rule 7 (72h) reporting.
Processor Orchestration Gateway & Queue
Event-driven asynchronous messaging queue orchestrating downstream processor instructions, consent tombstones, and deletion ACKs.
Restore Quarantine & Sandbox Store
Isolated recovery sandbox where historical database restores undergo consent and deletion tombstone replay before rejoining production.
Canonical Data Flows & Gating Decisions (FLOW-001..010)
Every cross-system edge in CASE-001 requires an evaluated purpose grant (PUR) and statutory ground.
| Flow ID | Source → Destination | Purpose | Statutory Status | Architectural Behavior & Gating Rule |
|---|---|---|---|---|
| FLOW-001 | SYS-001 → SYS-002 | PUR-001 | Authorized | Customer applies for loan; data persisted under recorded Section 6 consent. |
| FLOW-002 | SYS-002 → SYS-003 | PUR-002 | Gated | Optional marketing audience projection; gated by affirmative consent and halted on withdrawal. |
| FLOW-003 | SYS-002 → SYS-004 → SYS-005 | PUR-003 | Stopped (DEC-001) | AI training pipeline blocked in baseline because secondary model training lacks distinct consent. |
| FLOW-004 | SYS-002 → SYS-008 | PUR-009 | Stopped (DEC-004) | Discovered offshore backup replica halted & isolated pending Section 16 cross-border verification. |
| FLOW-005 | SYS-004 → SYS-009 | PUR-003 | Stopped (DEC-005) | Overseas analytics vendor data export refused because proprietary reuse violates processor duties. |
| FLOW-006 | SYS-001 → ENT-002 (Insurer) | PUR-010 | Proposed Only | Co-branded insurance partner referral; requires separate informed consent notice before transfer. |
| FLOW-007 | SYS-006 → SYS-007 | PUR-006, PUR-014 | Authorized | Internal employee records transferred to cold archive under Section 7(i) employment retention schedules. |
| FLOW-008 | SYS-010 → SYS-013 → SYS-003 | PUR-002, PUR-009 | Authorized | Consent withdrawal event instantly pushed through orchestration queue to marketing processor. |
| FLOW-009 | SYS-008 → SYS-014 | PUR-009 | Authorized | Backup snapshot restored strictly into quarantine sandbox for tombstone replay verification. |
| FLOW-010 | SYS-011 → SYS-013 → SYS-002 | PUR-001, PUR-002 | Authorized | Principal DSAR erasure and correction orders dispatched to core production stores. |
Canonical Datasets (DS-001 to DS-010)
Classification of data schemas across the retail lending and employer ecosystem.
KYC records, phone, email, identity documents (Section 6 / PUR-001).
Financial assessment, repayment schedule, bank details (Section 6 / PUR-001).
Opt-in communication flags, segment tags (Section 6 / PUR-002).
Cryptographic consent tokens, versioned notices, withdrawal receipts (Section 6(10)).
Access timestamps, firewall events, immutable SIEM audit logs (Section 8(5)).
Feature vectors, scoring tables, training dataset inputs (Section 4 & Rule 13).
Employee contracts, tax filings, internal performance data (Section 7(i) / PUR-006).
Candidate CVs and interviews subject to pre-employment retention rules (PUR-014).
Point-in-time database snapshots staged for quarantine replay (PUR-009).
Third-party insurer referral requests (Section 6 / PUR-010).
Hardened Architectural Decisions & Invariants
Rejects AI model training on borrower data staged in SYS-004. Model serving cannot borrow or inherit consent from general loan servicing without a discrete, valid grant.
Halts active replication to foreign cloud replica SYS-008 under Section 16. Isolates existing cohorts and reroutes backup pipelines to verified domestic infrastructure.
Rejects external analytics vendor ENT-005 from reusing personal borrower records for product improvement. A processor is bound strictly by the fiduciary's instructions.
Mandates that every downstream transaction against SYS-002 must present an unexpired cryptographic authority token issued by SYS-010.