Solution Architecture Practice

Comprehensive guide to software architecture frameworks, patterns, and best practices

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Architecture Frameworks & Methodologies

Overview

This section provides comprehensive guidance on the architecture frameworks, methodologies, and approaches used within our practice. These frameworks provide structure, consistency, and best practices for architecture work.

Contents

Core Frameworks

Architecture Approaches

Modeling & Documentation

Specialized Frameworks

When to Use Which Framework

TOGAF

Use When:

  • Enterprise-wide architecture initiatives
  • Strategic planning and roadmapping
  • Governance and standards definition
  • Large-scale transformations

C4 Model

Use When:

  • Communicating solution architecture
  • Creating architecture documentation
  • Different audience levels (exec to developer)
  • All solution architecture work

Well-Architected Frameworks

Use When:

  • Cloud-native solutions
  • Architecture reviews and assessments
  • Cloud migration planning
  • Cost, security, reliability optimization

Domain-Driven Design

Use When:

  • Complex business domains
  • Microservices decomposition
  • Large-scale applications
  • Need for clear bounded contexts

Event-Driven Architecture

Use When:

  • Asynchronous processing needed
  • System decoupling required
  • High scalability demands
  • Real-time data streaming

API-First Design

Use When:

  • Building APIs as core product
  • Microservices communication
  • Developer experience priority
  • Contract-driven development

Serverless Architecture

Use When:

  • Event-triggered workloads
  • Cost optimization critical
  • Scaling unpredictable
  • Operations overhead reduction desired

Twelve-Factor App

Use When:

  • Cloud-native applications
  • Scalable SaaS design
  • Containerized deployments
  • Multi-environment parity needed

Architecture Modeling

Use When:

  • Creating architecture documentation
  • Communicating with different audiences
  • Multiple architecture views needed
  • Design visualization required

Documentation Standards

Use When:

  • Establishing documentation practices
  • Ensuring documentation consistency
  • Creating documentation templates
  • Setting organizational standards

Diagram Standards

Use When:

  • Creating architecture diagrams
  • Ensuring visual consistency
  • Documenting system structure
  • Communicating with stakeholders

Security Architecture

Use When:

  • Designing security controls
  • Threat modeling and mitigation
  • Compliance requirement definition
  • Security architecture reviews

Integration Architecture

Use When:

  • Designing system integrations
  • Message system selection
  • API design and versioning
  • Multi-service communication patterns

Cloud Architecture

Use When:

  • Cloud migration planning
  • Cloud-native design
  • Multi-cloud strategy definition
  • Cost optimization for cloud

Framework Selection Guide

Initiative Type Recommended Framework(s)
Enterprise Strategy TOGAF
Solution Design C4 Model + Domain-Driven Design + Architecture Modeling
Cloud Migration Well-Architected Frameworks + Twelve-Factor + Cloud Architecture
Microservices DDD + Microservices Patterns + C4 + Integration Architecture
API Platform API-First + Integration Architecture Framework
Data Platform Data Architecture Framework + Well-Architected
Security Design Security Architecture Framework + Well-Architected
Serverless Solutions Serverless + Well-Architected + Cloud Architecture
SaaS Applications Twelve-Factor + API-First + Well-Architected + Cloud Architecture
Event-Driven Systems Event-Driven + Integration Architecture + Microservices + Well-Architected
Integration Design Integration Architecture + API-First
Multi-Cloud Strategy Cloud Architecture + Well-Architected Frameworks
Documentation Program Documentation Standards + Diagram Standards + Architecture Modeling

Adopting a Framework

1. Understand the Framework

  • Review framework documentation
  • Complete training if available
  • Study example implementations
  • Understand principles and patterns

2. Adapt to Context

  • Tailor to your specific needs
  • Don’t apply frameworks dogmatically
  • Focus on value, not compliance
  • Document your adaptations

3. Apply Incrementally

  • Start with core concepts
  • Apply to pilot projects
  • Learn and refine
  • Scale successful practices

4. Share Learnings

  • Document experiences
  • Create internal guides
  • Train team members
  • Contribute to practice knowledge base

Framework Governance

Approved Frameworks

The frameworks listed in this section are approved for use. When using other frameworks:

  1. Evaluate against our principles
  2. Propose to Architecture Council
  3. Get approval before wide adoption
  4. Document decision in ADR

Framework Updates

  • Review frameworks annually
  • Track industry evolution
  • Update documentation
  • Communicate changes to practice

Training & Certification

  • Training available for major frameworks
  • Certifications encouraged (TOGAF, AWS/Azure, etc.)
  • Internal framework training provided
  • Budget support for external training

Resources

Books

  • Software Architecture: The Hard Parts (Ford, Richards, Sadalage, Dehghani)
  • Fundamentals of Software Architecture (Richards, Ford)
  • Building Microservices (Newman)
  • Domain-Driven Design (Evans)
  • Enterprise Integration Patterns (Hohpe, Woolf)

Online Resources

Internal Resources

  • Architecture pattern library
  • Reference architectures
  • Example ADRs
  • Architecture presentations archive

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