Platform Architecture Management

Metadata

• Practice ID: TECH-PLATARCH-01
• Status: Draft
• Version: 1.0
• Owner Role: Head of Platform Architecture / Platform Lead
• Guild: GL04 Technology Guild

Purpose and Objectives

This practice defines how Calab.ai designs, evolves, and maintains platform and infrastructure architecture. It ensures the company has robust, scalable, secure, and cost-effective platform capabilities that support all solutions and products.

Scope

In Scope

• Platform strategy and roadmap
• Infrastructure architecture and design
• Technology stack decisions (platform-level)
• Cloud architecture and multi-cloud strategy
• Platform services and APIs
• Security architecture integration at the platform level (security controls ownership belongs to Security Management)
• Performance, scalability, and reliability architecture
• Platform cost optimization

Out of Scope

• Individual solution architecture (owned by Solution Engineering Management)
• Application-level implementation (owned by development teams)
• Day-to-day operations (owned by operations teams)

Interfaces

Dependencies (Practices We Depend On)

• Strategy Management - Platform strategy aligns with company strategy
• Financial Management - Platform investment and cost management
• Solution Engineering Management - Solution patterns inform platform needs
• Security Management (TECH-SEC-01) - Security requirements and compliance constraints inform platform architecture

Dependents (Practices That Depend On Us)

• Solution Engineering Management - Platform capabilities enable solution patterns
• Solution Engineering Management - Solutions build on platform services
• Security Management (TECH-SEC-01) - Security Management raises platform-level concerns here for guidance on implementation
• All development teams depend on platform stability and capabilities

Related Practices and Resources

Related Practices

• Solution Engineering Management - Platform supports solution patterns
• Security Management - Security controls and compliance requirements

Key Processes

• Platform Architecture Review Process
• Technology Stack Evaluation Process
• Platform Change Management Process
• Capacity Planning Process
• Security Architecture Review Process (coordinated with Security Management)

Key Templates

• Platform Architecture Document Template
• Technology Evaluation Matrix Template
• Platform Decision Template
• Capacity Planning Template

KPIs and Success Signals

• KPI 1: Platform availability (Target: ≥99.9%)
• KPI 2: Platform performance (Target: meet defined SLAs)
• KPI 3: Platform cost per user/transaction (Target: defined by finance)
• KPI 4: Security incidents (Target: 0 critical, ≤2 high per quarter)
• Success Signal 1: Platform enables rapid solution development
• Success Signal 2: Proactive capacity and performance management

Review Cadence

• Practice Review: Monthly (platform health review)
• Artefact Review: Quarterly (architecture), Monthly (capacity)
• Owner: Head of Platform Architecture / Platform Lead

Change Log