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Migration Effort Calculator - Application Portfolio Assessment

Estime el Esfuerzo y Tiempo de su Migración Cloud

Esta calculadora analiza su portfolio de aplicaciones y estima el esfuerzo, tiempo, y recursos necesarios para una migración exitosa a la nube. Basada en metodologías probadas de más de 300 proyectos de migración.


🏗️ Application Portfolio Assessment

Organization Profile

Company Information

  • Company Size:

    • [ ] Small (< 500 employees)
    • [ ] Medium (500-5,000 employees)
    • [ ] Large (5,000-50,000 employees)
    • [ ] Enterprise (50,000+ employees)
  • Industry:

    • [ ] Financial Services
    • [ ] Healthcare
    • [ ] Retail/E-commerce
    • [ ] Manufacturing
    • [ ] Government
    • [ ] Technology
    • [ ] Other: ____________
  • Current Infrastructure:

    • [ ] On-Premises Data Center
    • [ ] Colocation Facility
    • [ ] Hybrid (On-Prem + Cloud)
    • [ ] Legacy Cloud (Single Provider)
    • [ ] Multi-Cloud
  • IT Maturity Level:

    • [ ] Traditional (Waterfall, Manual Processes)
    • [ ] Evolving (Some Agile, Basic Automation)
    • [ ] Advanced (DevOps, CI/CD, Infrastructure as Code)
    • [ ] Optimized (Full Automation, Cloud-Native)

Application Inventory

Total Applications: ____________

Application Categories

Tier 1 - Mission Critical

  • Web Applications: ____________
  • Enterprise Applications (ERP, CRM): ____________
  • Databases (Production): ____________
  • Customer-Facing Systems: ____________

Tier 2 - Business Important

  • Internal Applications: ____________
  • Reporting Systems: ____________
  • Development/Test Databases: ____________
  • Integration Services: ____________

Tier 3 - Supporting Systems

  • Utilities & Tools: ____________
  • Legacy Systems: ____________
  • Archive Systems: ____________
  • Development Environments: ____________

Technical Complexity Assessment

Architecture Patterns

  • Monolithic Applications: ____________
  • Service-Oriented Architecture: ____________
  • Microservices: ____________
  • Client-Server Applications: ____________
  • Mainframe Applications: ____________

Technology Stack

  • Programming Languages Used: ____________
  • Database Systems: ____________
  • Operating Systems: ____________
  • Middleware & Integration: ____________

Dependencies & Integrations

  • Internal System Dependencies: ____________
  • Third-Party Integrations: ____________
  • Custom APIs: ____________
  • Legacy Protocol Dependencies: ____________

Data Volume

  • Total Data Volume (TB): ____________
  • Active Data (accessed monthly): ____________
  • Archive Data (accessed yearly): ____________
  • Backup Data: ____________

Migration Strategy Selection

Migration Approach Distribution

Rehost (Lift & Shift) - ______% of applications

  • Fastest migration with minimal changes
  • Good for: Stable applications, time-sensitive migrations
  • Effort: Low complexity, medium timeline

Replatform (Lift, Tinker & Shift) - ______% of applications

  • Minor optimizations during migration
  • Good for: Applications needing slight cloud optimization
  • Effort: Medium complexity, medium timeline

Refactor/Rearchitect - ______% of applications

  • Significant modifications for cloud-native benefits
  • Good for: Strategic applications, performance requirements
  • Effort: High complexity, long timeline

Repurchase (Replace with SaaS) - ______% of applications

  • Replace with commercial off-the-shelf solutions
  • Good for: Standard functionality, cost reduction
  • Effort: Low technical complexity, integration planning

Retire - ______% of applications

  • Decommission applications no longer needed
  • Good for: Redundant or end-of-life systems
  • Effort: Data migration and cleanup

Retain (Revisit Later) - ______% of applications

  • Keep current state for now
  • Good for: Recently upgraded, low priority systems
  • Effort: No immediate work required

⏱️ Migration Effort Estimation

Overall Project Timeline

Phase-Based Timeline

PhaseDurationKey Activities
Assessment & Planning6-12 weeksDiscovery, architecture design, detailed planning
Foundation Setup4-8 weeksCloud environment setup, security, networking
Wave 1 - Simple Applications8-16 weeksRehost migrations, basic applications
Wave 2 - Standard Applications12-24 weeksReplatform migrations, moderate complexity
Wave 3 - Complex Applications16-32 weeksRefactor migrations, mission-critical systems
Wave 4 - Strategic Applications20-40 weeksComplete rearchitecture, innovation enablement
Optimization & Cleanup4-8 weeksPerformance tuning, legacy decommissioning

Total Project Duration: 18-36 months (depending on complexity y scope)

Resource Requirements

Core Migration Team

RoleFTEDurationTotal Person-Months
Migration Program Manager1.036 months36
Cloud Architect (Lead)1.036 months36
Solution Architects2.030 months60
DevOps Engineers3.032 months96
Application Engineers4.028 months112
Database Specialists2.024 months48
Security Engineers1.030 months30
Testing Specialists2.024 months48
Change Management1.036 months36
Total Core Team17 FTE502 Person-Months

Extended Team (Part-time involvement)

  • Business Analysts: 2 FTE x 18 months = 36 person-months
  • Network Engineers: 1 FTE x 12 months = 12 person-months
  • Compliance Specialists: 0.5 FTE x 24 months = 12 person-months
  • Training Coordinators: 0.5 FTE x 18 months = 9 person-months

Total Resource Requirement: 571 person-months

Application-Specific Effort Breakdown

Effort by Migration Strategy

StrategyApplicationsAvg Effort per AppTotal Effort
Rehost45 apps1.5 person-weeks68 person-weeks
Replatform25 apps4.0 person-weeks100 person-weeks
Refactor15 apps12.0 person-weeks180 person-weeks
Repurchase8 apps6.0 person-weeks48 person-weeks
Retire12 apps0.5 person-weeks6 person-weeks
Total Application Work105 apps402 person-weeks

Platform & Infrastructure Work: 120 person-weeks Project Management & Coordination: 80 person-weeks Testing & Quality Assurance: 100 person-weeks Training & Change Management: 60 person-weeks

Total Project Effort: 762 person-weeks (equivalent to 38 FTE for 20 weeks)


💰 Cost Estimation

Migration Investment Breakdown

Professional Services

Service CategoryEffort (Weeks)Rate ($/Week)Total Cost
Program Management36$3,500$126,000
Architecture & Design120$4,000$480,000
Implementation350$3,200$1,120,000
Testing & QA100$2,800$280,000
Change Management60$2,500$150,000
Training40$2,200$88,000
Project Management80$2,800$224,000
Total Professional Services786 weeks$2,468,000

Technology & Infrastructure

Cost CategoryYear 1Year 2Year 3Total
Cloud Infrastructure$180,000$220,000$280,000$680,000
Migration Tools$45,000$15,000$5,000$65,000
Security & Compliance$60,000$40,000$45,000$145,000
Monitoring & Management$25,000$30,000$35,000$90,000
Backup & DR$35,000$42,000$50,000$127,000
Total Technology$345,000$347,000$415,000$1,107,000

Total Migration Investment: $3,575,000 over 3 years

Risk & Contingency Planning

Risk-Adjusted Estimates

ScenarioProbabilityImpact on TimelineImpact on Cost
Best Case20%-15%-10%
Most Likely60%BaselineBaseline
Worst Case20%+30%+25%

Contingency Recommendations

  • Timeline Buffer: Add 20% to critical path activities
  • Cost Buffer: Reserve 15% for scope changes y unexpected complexities
  • Resource Buffer: Maintain access to 2-3 additional specialists

Risk-Adjusted Totals

  • Timeline: 24-42 months (vs 18-36 baseline)
  • Cost: $3.2M - $4.5M (vs $3.6M baseline)

📊 Complexity Scoring Matrix

Application Complexity Assessment

Complexity Factors (Score 1-5 for each application)

Technical Complexity

  • Architecture Complexity: Monolith (1) → Distributed (5)
  • Technology Stack Age: Modern (1) → Legacy (5)
  • Database Complexity: Simple (1) → Complex distributed (5)
  • Integration Points: Standalone (1) → Highly integrated (5)
  • Custom Code Volume: Minimal (1) → Extensive (5)

Business Complexity

  • Business Criticality: Low (1) → Mission critical (5)
  • Compliance Requirements: None (1) → Highly regulated (5)
  • User Base Size: Small (1) → Enterprise-wide (5)
  • Change Tolerance: High (1) → Low (5)
  • Availability Requirements: Standard (1) → 24/7 (5)

Migration Complexity

  • Data Volume: Small (1) → Very large (5)
  • Performance Requirements: Standard (1) → High performance (5)
  • Security Requirements: Basic (1) → High security (5)
  • Testing Complexity: Simple (1) → Complex/extensive (5)
  • Rollback Complexity: Easy (1) → Difficult (5)

Complexity Score Interpretation

  • 15-25: Simple migration (Rehost candidate)
  • 26-40: Moderate complexity (Replatform candidate)
  • 41-60: High complexity (Refactor candidate)
  • 61-75: Very high complexity (Extensive planning required)

Portfolio Complexity Distribution

Complexity LevelApplications% of PortfolioAvg EffortTotal Effort
Simple (15-25)3533%1.2 weeks42 weeks
Moderate (26-40)4038%3.5 weeks140 weeks
High (41-60)2524%8.0 weeks200 weeks
Very High (61-75)55%20.0 weeks100 weeks
Total105100%482 weeks

🎯 Wave Planning Strategy

Migration Wave Design

Wave 1: Foundation & Quick Wins (Months 1-6)

  • Applications: 20 simple applications
  • Strategy: Primarily rehost
  • Objectives: Build confidence, establish processes, train team
  • Success Criteria: 95% uptime, no data loss, team readiness

Wave 2: Standard Business Applications (Months 4-12)

  • Applications: 35 moderate complexity applications
  • Strategy: Rehost y replatform
  • Objectives: Optimize processes, realize initial benefits
  • Success Criteria: Performance maintained, cost benefits realized

Wave 3: Complex & Integrated Systems (Months 8-18)

  • Applications: 25 high complexity applications
  • Strategy: Replatform y refactor
  • Objectives: Modernize architecture, enable new capabilities
  • Success Criteria: Enhanced performance, new features enabled

Wave 4: Mission-Critical & Strategic (Months 12-24)

  • Applications: 15 very high complexity applications
  • Strategy: Refactor y rearchitect
  • Objectives: Complete transformation, competitive advantage
  • Success Criteria: Full cloud benefits, innovation enablement

Wave 5: Cleanup & Optimization (Months 18-30)

  • Applications: Remaining 10 applications + decommissioning
  • Strategy: Complete migration, retire legacy
  • Objectives: Final optimization, legacy elimination
  • Success Criteria: Complete cloud transformation

Dependencies & Sequencing

Critical Dependencies

  • Infrastructure platforms must be established before application migrations
  • Identity y access management must be integrated early
  • Network connectivity must be stable before critical systems
  • Data migration must be completed before application cutover
  • Testing environments must be ready before production migrations

Parallel Workstreams

  • Foundation setup can run parallel to Wave 1 migrations
  • Wave preparation can overlap with previous wave execution
  • Training y change management should run continuously
  • Security y compliance work spans all waves

📈 Success Metrics & KPIs

Technical Success Metrics

Migration Execution

  • On-Time Delivery: >90% of milestones delivered on schedule
  • Budget Adherence: <10% variance from approved budget
  • Quality: <5% of applications require major post-migration fixes
  • Availability: >99.9% uptime during migration windows

Performance Metrics

  • Application Performance: Maintain or improve response times
  • Data Integrity: 100% data consistency verification
  • Security Posture: No security incidents during migration
  • Rollback Success: <2% of migrations require rollback

Operational Metrics

  • Resource Utilization: >70% average utilization post-migration
  • Cost Optimization: Achieve projected cost savings within 6 months
  • Automation: >80% of operational tasks automated
  • Monitoring Coverage: 100% of migrated applications monitored

Business Success Metrics

User Experience

  • User Satisfaction: >85% satisfaction scores post-migration
  • Service Availability: Meet or exceed SLA requirements
  • Performance: Maintain or improve application response times
  • Feature Delivery: 50% faster new feature deployment

Financial Metrics

  • Cost Reduction: Achieve 20-40% infrastructure cost savings
  • ROI Achievement: Positive ROI within 18 months
  • Productivity Gains: 30% improvement en development velocity
  • Maintenance Reduction: 50% reduction en maintenance effort

Strategic Metrics

  • Time to Market: 60% faster product delivery cycles
  • Innovation Enablement: Launch of new cloud-native capabilities
  • Scalability: Ability to handle 5x current load
  • Agility: Rapid response to market opportunities

🛠️ Migration Tools & Automation

Assessment & Discovery Tools

Application Discovery

  • AWS Application Discovery Service: Automated server y application mapping
  • Azure Migrate: Comprehensive assessment y migration planning
  • CloudPhysics: Infrastructure analytics y optimization recommendations
  • Device42: Automated IT infrastructure discovery

Code Analysis

  • SonarQube: Code quality y technical debt analysis
  • Cast Application Intelligence: Application complexity assessment
  • Micro Focus: Legacy application analysis y modernization planning

Migration Execution Tools

Infrastructure Migration

  • AWS Server Migration Service: Automated server migrations
  • Azure Site Recovery: Disaster recovery y migration platform
  • CloudEndure: Live migration with minimal downtime
  • Carbonite: Data protection y migration solutions

Database Migration

  • AWS Database Migration Service: Heterogeneous database migrations
  • Azure Database Migration Service: SQL Server to Azure migrations
  • Attunity Replicate: Real-time data replication y synchronization
  • Quest SharePlex: Oracle database replication

Application Migration

  • Kubernetes: Container orchestration for modernized applications
  • Docker: Application containerization platform
  • Terraform: Infrastructure as code for cloud provisioning
  • Ansible: Configuration management y automation

Testing & Validation Tools

Performance Testing

  • LoadRunner: Enterprise performance testing
  • JMeter: Open-source load testing
  • BlazeMeter: Cloud-based performance testing
  • New Relic: Application performance monitoring

Security Testing

  • OWASP ZAP: Web application security testing
  • Qualys: Vulnerability assessment y management
  • Rapid7: Security analytics y threat detection
  • Checkmarx: Static application security testing

📞 Expert Migration Services

Migration Assessment & Planning

Comprehensive Portfolio Assessment Our specialists conduct detailed analysis of your application portfolio:

  • Automated discovery of applications, dependencies, y infrastructure
  • Complexity scoring using proven assessment frameworks
  • Business criticality analysis y stakeholder interviews
  • Migration strategy recommendations for each application

Detailed Migration Planning

  • Wave planning with dependency analysis y risk assessment
  • Resource planning y team structure recommendations
  • Timeline development with realistic milestones y buffers
  • Cost estimation with detailed breakdown y contingency planning

Migration Execution Support

Hands-On Implementation

  • Technical leadership for complex migration waves
  • Architecture guidance y best practice implementation
  • Quality assurance y testing coordination
  • Risk mitigation y issue resolution

Knowledge Transfer

  • Team training on cloud technologies y migration tools
  • Process documentation y operational procedures
  • Best practice sharing from successful migrations
  • Ongoing support y optimization recommendations

Contact Our Migration Experts

Migration Practice Team

Free Migration Assessment Get a complimentary application portfolio assessment:

  • Review your current application inventory
  • Identify migration complexity y effort estimates
  • Discuss optimal migration strategies
  • Receive high-level timeline y cost projections

📚 Migration Resources

Planning Templates

Best Practice Guides

Training Programs


Disclaimer: Las estimaciones proporcionadas are based on industry averages y historical project data. Actual effort, timeline, y cost pueden vary significantly based on specific technical complexity, organizational factors, y project scope. Se recomienda realizar un assessment detallado antes de finalizar project planning y budgets.


Migration Effort Calculator v3.1 - Última actualización: Enero 2025