Decision Guides
Structured comparisons for the most common architectural fork-in-the-road decisions — with criteria, scoring, and clear recommendations.
Monolith vs Microservices
When to start with a monolith, when to decompose, and how to avoid the distributed monolith trap.
SQL vs NoSQL
Choosing relational or non-relational storage — consistency, query patterns, and schema flexibility.
REST vs GraphQL vs gRPC
API protocol selection based on client types, performance, and team familiarity.
Sync vs Async Communication
Request-response vs event-driven integration — coupling, reliability, and debugging trade-offs.
Build vs Buy
Framework for evaluating make vs buy decisions for platform capabilities.
SQL Database Selection
PostgreSQL, MySQL, SQL Server, and Aurora — selecting the right relational database.
Cloud Provider Selection
AWS, Azure, GCP, and multi-cloud — capability and commercial comparison.
Caching Strategy Guide
Client, CDN, API gateway, and database caches — what to cache and for how long.
Deployment Strategy Guide
Choosing between blue/green, canary, rolling, and recreate deployment patterns.
Message Broker Selection
Kafka, RabbitMQ, AWS SQS/SNS, and Pulsar — throughput, ordering, and delivery guarantees.
CQRS vs CRUD
When command/query separation adds value vs when it adds unnecessary complexity.
Elasticsearch vs OpenSearch
Comparing the leading full-text search platforms on licensing, features, and ecosystem.
Event-Driven vs Request-Response
Architectural implications of choosing events over direct calls for system integration.
Kafka vs RabbitMQ
Deep comparison of the two dominant message brokers for event streaming and queuing.
Kubernetes vs Serverless
Container orchestration vs function-as-a-service for different workload types.