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Documentation Navigation Guide

📚 How to Read This Documentation

This documentation follows the Minto Pyramid Principle: Start with the answer, then dive into supporting details as needed.

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🎯 Quick Start (5 Minutes)

Read this first:

• 00_MASTER_DESIGN.md - Executive Summary only (first 10 pages)

You'll learn:

• What the solution does
• Why it matters
• Key results (95% success rate, 60% cost reduction, 67% faster)
• Three supporting pillars (Architecture, Operations, Implementation)

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👔 For Executives (15 Minutes)

Read these sections:

1. Executive Summary → 00_MASTER_DESIGN.md

   • The solution in one paragraph
   • Key metrics and ROI

2. Implementation Paths → 00_MASTER_DESIGN.md

   • Deployment tiers (which one for your organization?)
   • Cost models (TCO comparison)
   • Platform options (cloud vs. on-prem)

3. Success Metrics → 00_MASTER_DESIGN.md

   • How we measure success
   • What "done" looks like

Decision Points:

• ✅ Approve budget and timeline
• ✅ Choose deployment tier
• ✅ Approve platform (Azure/AWS/vSphere/etc.)
• ✅ Assemble team

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💼 For Project Managers (30 Minutes)

Read these sections:

1. Executive Summary → 00_MASTER_DESIGN.md

2. Implementation Roadmap → 00_MASTER_DESIGN.md

   • Week-by-week plan
   • Deliverables per phase
   • Go/no-go decision points

3. Wave Management → 20_UI_WAVE_MANAGEMENT.md

   • How waves work
   • Checkpoint approvals
   • Exception handling

4. Operations Runbook → 05_RUNBOOK_OPERATIONS.md

   • Day-to-day operations
   • Escalation procedures
   • Stakeholder communication

Your Role:

• 📅 Manage timeline and milestones
• 👥 Coordinate team and stakeholders
• 📊 Track metrics and report progress
• ⚠️ Manage risks and issues
• ✅ Approve checkpoints

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👨‍💻 For Technical Teams (2 Hours)

Read in this order:

1. Understand the Architecture (30 min)

• 00_MASTER_DESIGN.md - PILLAR 1
  • How components work together
  • Technology stack
  • Migration workflows

2. Learn Operations (30 min)

• 00_MASTER_DESIGN.md - PILLAR 2
  • Turn-key UI (no CLI needed for operators)
  • Intelligent automation
  • Monitoring and rollback

3. Choose Your Platform (30 min)

• 16_PLATFORM_VARIANTS.md
  • AWS, Azure, GCP, vSphere, Hyper-V
  • Cost comparisons
  • Which one for your environment?

4. Implementation Details (30 min)

Choose based on your platform:

If Using	Read This
Azure	18_AZURE_FREE_TIER_IMPLEMENTATION.md
vSphere	19_VSPHERE_IMPLEMENTATION.md
Tier 2 (any platform)	03_IMPLEMENTATION_GUIDE_TIER2.md

Your Role:

• 🛠️ Deploy infrastructure
• ⚙️ Configure Ansible/AWX
• 🔍 Test and validate
• 📊 Set up monitoring
• 👨‍🏫 Train operators

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🎨 For UI/UX Developers (1 Hour)

Read these:

1. UI Overview → 00_MASTER_DESIGN.md

   • Design philosophy
   • Component overview

2. Discovery UI → 21_DISCOVERY_UI_CHECKPOINT.md

   • Discovery results dashboard
   • Decision checkpoints
   • Approval workflows

3. Wave Management UI → 20_UI_WAVE_MANAGEMENT.md

   • Wave builder (checkbox selection)
   • Real-time progress monitoring
   • Exception queue management
   • Frontend implementation (React/Vue.js)

Your Role:

• 🎨 Build web dashboards
• 🔌 Integrate with backend API
• 📊 Create visualizations
• ✅ Implement responsive design

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🛠️ For Operators (30 Minutes)

Read these:

1. Operations Runbook → 05_RUNBOOK_OPERATIONS.md

   • How to run a migration wave
   • Pre-cutover checklist
   • Execution steps

2. Wave Management → 20_UI_WAVE_MANAGEMENT.md

   • Using the web UI
   • Handling exceptions
   • Approving checkpoints

3. Rollback Procedures → 07_ROLLBACK_PROCEDURES.md

   • When to rollback
   • How to rollback
   • Validation after rollback

Your Role:

• 🚀 Execute migration waves
• 📊 Monitor progress
• ⚠️ Handle exceptions
• ✅ Approve checkpoints (if authorized)

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📖 Complete Document Index

Core Documents

Priority	Document	Purpose	Read Time
🔴 Essential	00_MASTER_DESIGN.md	Consolidated design (Minto Pyramid)	2-3 hours
🟡 Important	01_DEPLOYMENT_TIERS.md	Which tier to choose	30 min
🟡 Important	20_UI_WAVE_MANAGEMENT.md	Turn-key UI & wave management	1 hour
🟡 Important	21_DISCOVERY_UI_CHECKPOINT.md	Discovery results & approval	1 hour
🟢 Reference	00_DETAILED_DESIGN.md	Original detailed design (v2.0)	3-4 hours

Implementation Guides

Document	When to Read	Read Time
03_IMPLEMENTATION_GUIDE_TIER2.md	Deploying Tier 2 (most common)	2 hours
18_AZURE_FREE_TIER_IMPLEMENTATION.md	Free tier demo on Azure ($0/month)	2 hours
19_VSPHERE_IMPLEMENTATION.md	On-prem vSphere deployment	2 hours

Specialized Topics

Document	Purpose	Read Time
13_DNS_MIGRATION_STRATEGY.md	DNS record migration & IP changes	1 hour
14_SERVICE_DISCOVERY_AND_HEALTH_CHECKS.md	Pre-flight checks & service discovery	1 hour
15_ZFS_SNAPSHOT_STRATEGY.md	ZFS snapshots for rapid recovery	30 min
16_PLATFORM_VARIANTS.md	Multi-cloud/platform support	1.5 hours
17_DATABASE_MIGRATION_STRATEGY.md	Database servers (SQL, PostgreSQL)	1 hour

Operational Documents

Document	Purpose	Read Time
05_RUNBOOK_OPERATIONS.md	Day-to-day operations	30 min
07_ROLLBACK_PROCEDURES.md	Emergency rollback	30 min
08_ENTRA_SYNC_STRATEGY.md	Azure AD/Entra ID synchronization	45 min

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🎓 Learning Paths

Path 1: "I Need to Understand This Quickly" (Executive)

Time: 15 minutes

1. Read: 00_MASTER_DESIGN.md - Executive Summary only
2. Review: Key metrics table
3. Review: Deployment tier comparison
4. Decision: Which tier? Which platform?

Outcome: Enough context to approve budget and direction

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Path 2: "I Need to Manage This Project" (PM)

Time: 1 hour

1. Read: 00_MASTER_DESIGN.md - Executive Summary + Roadmap
2. Read: 20_UI_WAVE_MANAGEMENT.md - Wave management overview
3. Read: 05_RUNBOOK_OPERATIONS.md - Operations runbook
4. Skim: 01_DEPLOYMENT_TIERS.md - Tier details

Outcome: Ready to plan, track, and report on project

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Path 3: "I Need to Build This" (Technical Lead)

Time: 4 hours

1. Read: 00_MASTER_DESIGN.md - All three pillars
2. Read: 16_PLATFORM_VARIANTS.md - Platform options
3. Read platform-specific guide:
   • Azure: 18_AZURE_FREE_TIER_IMPLEMENTATION.md
   • vSphere: 19_VSPHERE_IMPLEMENTATION.md
   • Tier 2: 03_IMPLEMENTATION_GUIDE_TIER2.md
4. Read: 20_UI_WAVE_MANAGEMENT.md - UI implementation
5. Reference: Specialized topics as needed

Outcome: Ready to deploy infrastructure and configure solution

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Path 4: "I Need to Operate This" (Operator)

Time: 1 hour

1. Read: 05_RUNBOOK_OPERATIONS.md - Full runbook
2. Read: 20_UI_WAVE_MANAGEMENT.md - Sections 2 & 4 (execution & exceptions)
3. Read: 21_DISCOVERY_UI_CHECKPOINT.md - Section 7 (approval)
4. Reference: 07_ROLLBACK_PROCEDURES.md - Emergency procedures

Outcome: Ready to execute waves and handle day-to-day operations

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🔍 Find Information By Topic

Architecture & Design

• Overview: 00_MASTER_DESIGN.md - PILLAR 1
• Detailed: 00_DETAILED_DESIGN.md - Sections 3-6

User Interface

• Turn-key UI: 00_MASTER_DESIGN.md - Section 2.1
• Discovery UI: 21_DISCOVERY_UI_CHECKPOINT.md
• Wave Management: 20_UI_WAVE_MANAGEMENT.md

Migration Workflows

• User migration: 00_MASTER_DESIGN.md - Section 1.4
• Workstation (USMT): 00_MASTER_DESIGN.md - Section 1.4
• Database servers: 17_DATABASE_MIGRATION_STRATEGY.md
• DNS migration: 13_DNS_MIGRATION_STRATEGY.md

Operations

• Running waves: 05_RUNBOOK_OPERATIONS.md
• Checkpoint approvals: 20_UI_WAVE_MANAGEMENT.md - Section 3
• Exception handling: 20_UI_WAVE_MANAGEMENT.md - Section 4
• Rollback: 07_ROLLBACK_PROCEDURES.md

Platform-Specific

• Azure (free tier): 18_AZURE_FREE_TIER_IMPLEMENTATION.md
• vSphere (on-prem): 19_VSPHERE_IMPLEMENTATION.md
• All platforms: 16_PLATFORM_VARIANTS.md
• Tier 2 (production): 03_IMPLEMENTATION_GUIDE_TIER2.md

Specialized Topics

• Discovery & validation: 14_SERVICE_DISCOVERY_AND_HEALTH_CHECKS.md
• ZFS snapshots: 15_ZFS_SNAPSHOT_STRATEGY.md
• Database migrations: 17_DATABASE_MIGRATION_STRATEGY.md
• DNS & networking: 13_DNS_MIGRATION_STRATEGY.md
• Entra ID sync: 08_ENTRA_SYNC_STRATEGY.md

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📊 Documentation Structure

docs/
│
├── 00_MASTER_DESIGN.md ⭐ START HERE
│   └── Consolidated design using Minto Pyramid Principle
│       ├── Executive Summary (THE ANSWER)
│       ├── PILLAR 1: Architecture (WHAT)
│       ├── PILLAR 2: Operations (HOW)
│       └── PILLAR 3: Implementation (WHERE & WHEN)
│
├── Core Design Documents
│   ├── 00_DETAILED_DESIGN.md (original v2.0)
│   ├── 01_DEPLOYMENT_TIERS.md
│   └── README.md (this file)
│
├── Implementation Guides
│   ├── 03_IMPLEMENTATION_GUIDE_TIER2.md
│   ├── 18_AZURE_FREE_TIER_IMPLEMENTATION.md
│   └── 19_VSPHERE_IMPLEMENTATION.md
│
├── Operational Documents
│   ├── 05_RUNBOOK_OPERATIONS.md
│   ├── 07_ROLLBACK_PROCEDURES.md
│   ├── 20_UI_WAVE_MANAGEMENT.md
│   └── 21_DISCOVERY_UI_CHECKPOINT.md
│
└── Specialized Topics
    ├── 08_ENTRA_SYNC_STRATEGY.md
    ├── 13_DNS_MIGRATION_STRATEGY.md
    ├── 14_SERVICE_DISCOVERY_AND_HEALTH_CHECKS.md
    ├── 15_ZFS_SNAPSHOT_STRATEGY.md
    ├── 16_PLATFORM_VARIANTS.md
    └── 17_DATABASE_MIGRATION_STRATEGY.md

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💡 Tips for Reading

1. Start at the Top of the Pyramid

Principle in Action:

• Start with 00_MASTER_DESIGN.md - Executive Summary
• This gives you THE ANSWER immediately
• Then drill down into supporting pillars as needed

2. Read for Your Role

Different roles need different depths:

• Executives: Executive Summary + Key Metrics (15 min)
• PMs: Add Implementation Roadmap (1 hour)
• Technical: Read all three pillars (4 hours)
• Operators: Focus on operational documents (1 hour)

3. Use the Appendices

Master design references detailed documents:

• Don't read linearly
• Jump to appendices when you need details
• Each appendix points to specific detailed documents

4. Follow the Learning Paths

Structured reading for common scenarios:

• "Understand quickly" (Executive path)
• "Manage project" (PM path)
• "Build solution" (Technical path)
• "Operate daily" (Operator path)

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🎯 Key Concepts

The Three Pillars

1. PILLAR 1: Architecture (WHAT)

   • What we're building
   • Components and technology stack
   • Migration workflows

2. PILLAR 2: Operations (HOW)

   • How we ensure success
   • Turn-key UI, checkpoints, monitoring
   • Rollback and self-healing

3. PILLAR 3: Implementation (WHERE & WHEN)

   • Platform variants (Azure, AWS, vSphere, etc.)
   • Deployment tiers (Demo, Medium, Enterprise)
   • Cost models and timelines

Turn-Key UI

Main Innovation:

• No CLI required for operators
• Checkbox selection instead of inventory files
• Web dashboards instead of log tailing
• Plain English errors instead of stack traces

Exception Handling

Key Concept:

• Failures don't block waves
• Problematic items move to exception queue
• Wave continues with working items
• Remediate failures separately

Checkpoints

Safety Gates:

• Pause at critical phases for approval
• Prevent cascading failures
• Review before irreversible changes
• Manual or automatic approval

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📞 Get Help

Questions About...

Topic	Read This First	Still Need Help?
Architecture	00_MASTER_DESIGN.md PILLAR 1	Check detailed design
Operations	05_RUNBOOK_OPERATIONS.md	Check troubleshooting guide
Platform	16_PLATFORM_VARIANTS.md	Check platform-specific guide
Costs	00_MASTER_DESIGN.md Section 3.3	Check tier comparison
UI	20_UI_WAVE_MANAGEMENT.md	Check discovery UI doc

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🚀 Quick Reference

Most Common Scenarios

"I need a proof-of-concept" → Read: 18_AZURE_FREE_TIER_IMPLEMENTATION.md
→ Deploy: Azure free tier ($0/month)
→ Time: 2 hours to deploy, 1 week to test

"I need to migrate 3,000 users" → Read: 00_MASTER_DESIGN.md + 03_IMPLEMENTATION_GUIDE_TIER2.md
→ Deploy: Tier 2 on Azure/AWS/vSphere
→ Time: 10-14 weeks

"I already have VMware" → Read: 19_VSPHERE_IMPLEMENTATION.md
→ Deploy: Tier 2 on vSphere
→ Cost: ~$2-5k (storage only)

"I need zero downtime" → Read: 00_MASTER_DESIGN.md - Tier 3
→ Deploy: Enterprise tier with side-by-side migration
→ Time: 16-24 weeks

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📈 Version History

Version	Date	Changes
3.0	Oct 2025	Master design created
2.0	Oct 2025	Added deployment tiers, platform variants, UI design
1.0	Sep 2025	Initial detailed design

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Start Reading: 00_MASTER_DESIGN.md ⭐

Questions? Review this guide for navigation help.

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Author: Adrian Johnson adrian207@gmail.com
Last Updated: October 2025
Maintained By: Migration Project Team