Standardized five-phase methodology for cross-divisional infrastructure, data, and operational migrations. Governed by Aevum Zenth Office of Enterprise Architecture (OEA).
Comprehensive inventory of legacy systems, data schemas, compliance boundaries, and inter-divisional dependencies. Establishes migration readiness score and risk profile.
Design of target architecture, data transformation pipelines, rollback strategies, and phased execution schedules. Aligns with Aevum Zenth Global Infrastructure Standards (AZGIS).
Execution of migration within isolated environments. Validates data integrity, latency thresholds, security controls, and user acceptance workflows before production rollout.
Coordinated wave-based production migration across regions and divisions. Includes data sync, DNS cutover, legacy decommissioning, and 24/7 command center monitoring.
Performance tuning, cost optimization, user enablement, and formal transfer to steady-state operations. Includes post-mortem analysis and framework iteration.
All migration artifacts require zero-trust authentication, RBAC enforcement, and encrypted transit/rest. Audit trails maintained for 7 years per AZGC-99 standards.
Automated compliance checks against GDPR, CCPA, HIPAA, SOX, and regional data sovereignty mandates. Legal sign-off required at Phase 2 & Phase 4 gates.
CAB reviews all migration wave schedules, assesses cross-divisional impact, and authorizes cutover windows. Emergency changes follow fast-track protocol.
Real-time telemetry feeds into Enterprise Governance Platform. Anomalies trigger automated playbooks and escalate to NOC within 5 minutes.
| Priority Level | Response Time | Resolution Target | Escalation Path |
|---|---|---|---|
| P1 – Critical / Production Impact | 15 Minutes | 4 Hours | NOCC → VP Engineering → CTO Office |
| P2 – High / Degraded Functionality | 1 Hour | 24 Hours | Migration Lead → Divisional Director |
| P3 – Standard / Non-Blocking | 4 Hours | 5 Business Days | Support Queue → Engineering Triage |
| P4 – Advisory / Documentation | 1 Business Day | 10 Business Days | Knowledge Center → Subject Matter Expert |