Complexity Has a Ratchet: Why Software Systems Almost Never Get Simpler Over Time and What That Implies for How We Design Them

Every abstraction layer was solving a real problem. Every configuration flag handled a genuine edge case. Every service boundary separated…

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Beyond CAP: Why the PACELC Model Is a Better Framework for Database Decisions in 2026

CAP is one of the most cited and most misunderstood results in distributed systems. Daniel Abadi’s PACELC model extends it…

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Consistent Hashing: The Algorithm That Makes Distributed Caches and Databases Actually Scale

Theory, variants, and where it breaks — from the 1997 Karger et al. paper to virtual nodes in DynamoDB, Cassandra,…

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Event-Driven Architecture: Kafka vs. RabbitMQ vs. Pulsar – A 2025 Decision Framework

In 2025, the landscape of Event-Driven Architecture (EDA) has matured significantly. The decision isn’t just about “fastest” anymore; it’s about…

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Software System Design Principles

1. System Design Principles – Introduction In this post, we feature a comprehensive article on Software System Design Principles. Software…

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