M&A Due Diligence & Workload Migration Engine¶

M&A Playbook Enterprise Migration

1. Mergers & Acquisitions Strategic Framework¶

Healthcare systems scale rapidly through regional hospital acquisitions and joint venture partnerships. Integrating disparate legacy infrastructure into the Mosaic Azure Landing Zone within aggressive 90-day timeframes requires a standardized, repeatable engineering engine.

The Mosaic M&A Workload Migration Engine bridges the gap between pre-close technical due diligence, cyber risk quarantine, 5-R workload rationalization, and zero-downtime clinical EHR cutovers.

graph LR
    subgraph "Phase 1: Pre-Acquisition Discovery"
        Discovery["Technical Discovery<br/>• Active Directory Topology<br/>• SAN/Storage Latency<br/>• Network CIDRs<br/>• Legacy Tech Debt Score"]
    end

    subgraph "Phase 2: Quarantine & Staging"
        Quarantine["Network Quarantine<br/>• Transit VPC Isolated Subnet<br/>• Defender for Cloud Agent Scan<br/>• Overlapping NAT Mapping"]
    end

    subgraph "Phase 3: 5-R Rationalization"
        Rationalize{"5-R Decision Engine"}
        Rehost["Rehost (IaaS Migrate)"]
        Replatform["Replatform (PaaS Container)"]
        Refactor["Refactor (Cloud-Native API)"]
        Retain["Retain (Isolated Edge)"]
        Retire["Retire (Decommission)"]
    end

    subgraph "Phase 4: Wave Cutover"
        Cutover["Automated Wave Sequencer<br/>Phase 0: Foundation & DNS<br/>Phase 1: Non-Prod & ERP<br/>Phase 2: Core Clinical EHR"]
    end

    Discovery --> Quarantine
    Quarantine --> Rationalize
    Rationalize --> Rehost --> Cutover
    Rationalize --> Replatform --> Cutover
    Rationalize --> Refactor --> Cutover
    Rationalize --> Retain
    Rationalize --> Retire

2. Core Playbook Components¶

Due Diligence Technical Checklist
Comprehensive 8-pillar technical audit framework assessing Active Directory domain functional levels, virtualization hypervisors (VMware ESXi / Hyper-V), SAN storage throughput, public cloud assets, and regulatory compliance liabilities.
Wave Migration Sequencer & Rollback Triggers
Step-by-step cutover orchestration model outlining dependency grouping, wave scheduling, real-time database replication synchronization, pre-flight gate criteria, and automated rollback triggers.