Cloud Migration Strategy: Practical Step by Step Guide
Migration without a plan = disaster. 6 steps: assessment, planning, testing, migration, verification, optimization. We explain each in detail.
Why Cloud Migration?
Cloud migration is the process of moving your systems, data, and applications from a traditional environment (local server or legacy hosting) to cloud infrastructure. The goal is not just changing location — the goal is improving performance, security, flexibility, and reducing long-term costs.
The Saudi reality: Many companies still run their systems on aging servers — some abroad — without real backup or adequate protection. Migration is not a luxury — it is a necessity.
The Six Migration Strategies (6 Rs)
1. Rehost (Lift and Shift)
Move the system as-is to the cloud without modifications. The fastest method with the least risk.
Best for:
- Systems that work well and just need a better environment
- Websites and simple applications
- Rapid migration with tight timelines
2. Replatform
Move with minor adjustments — such as upgrading PHP version or updating the database.
Best for:
- Systems needing minor updates during migration
- Leveraging new environment features without full rebuild
3. Refactor
Rewrite parts of the application to fully leverage cloud capabilities.
Best for:
- Legacy systems requiring fundamental updates
- Converting to microservices architecture
- Applications needing high scalability
4. Repurchase
Replace the current system with a ready-made SaaS service.
Example: Replacing a local email system with Google Workspace or Microsoft 365.
5. Retain
Keep certain systems in place — temporarily or permanently.
Best for:
- Systems that technically cannot be migrated
- Systems scheduled for replacement soon
- Systems with special requirements
6. Retire
Decommission systems that are no longer needed. Many companies discover during migration planning that 10-20% of their systems are unused.
Step-by-Step Migration Plan
Phase 1: Assessment (1-2 weeks)
Asset Inventory:
| Item | Required Details |
|---|---|
| Servers | Specs, OS, age |
| Applications | Language, framework, version |
| Databases | Type, size, relationships |
| Storage | Total size, growth rate |
| Network | Static IPs, DNS, SSL certificates |
| Integrations | APIs, external services, system connections |
Dependency Analysis:
- Which system depends on which?
- What is the correct migration order?
- Are there dependencies on static IPs or specific hostnames?
Phase 2: Planning (1-2 weeks)
- Choose migration strategy for each system
- Define target environment (required server specifications)
- Realistic timeline with phases
- Rollback plan for each phase
- Define maintenance window
- Communicate with affected parties (development team, clients)
Phase 3: Preparation (1 week)
- Create the new environment
- Secure servers (firewall, SSH, updates)
- Configure backup
- Set up monitoring tools
- Test connectivity between old and new environments
Phase 4: Execution
For websites and applications:
- Copy files to the new server
- Export and import the database
- Update connection settings
- Comprehensive testing on the new environment
- Switch DNS
- Intensive monitoring for 48 hours
For email:
- Create accounts on the new server
- Synchronize email (IMAP sync)
- Update MX records
- Test sending and receiving
- Update SPF, DKIM, and DMARC
Phase 5: Verification
- Test all services and functions
- Confirm acceptable performance (response time, speed)
- Review logs for errors
- Test backup restoration
- Confirm monitoring and alerts are working
Migration Risks and How to Avoid Them
| Risk | Probability | Impact | Solution |
|---|---|---|---|
| Data loss | Low | Critical | Backup before and after |
| Service outage | Medium | High | Maintenance window + rollback plan |
| Poor performance | Medium | Medium | Performance testing before cutover |
| DNS issues | High | Medium | Low TTL before cutover |
| Incompatibility | Low | High | Thorough testing in matching environment |
Migrating to CLOUD
CLOUD (cloud.net.sa) provides servers in Riyadh ready in 60 seconds. Migration is handled by your development team — and the CLOUD team provides technical support and guidance throughout the process. Free orientation sessions for your developers. Infrastructure with SLA عالي مع ضمان تعاقدي and very low latency latency.
Get Started
Want to try it yourself? Choose the right hosting plan or build your custom server with the specs you need.
