System Design Interview Roadmap

System Design Interview Roadmap

Microservices vs. Monoliths: Visual Decision Guide

Apr 03, 2025
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Introduction

The architectural choice between microservices and monoliths is one of the most fundamental decisions in modern system design. Each approach offers distinct advantages and challenges that significantly impact development workflows, scalability, and maintenance. This guide will explore both architectures in depth, providing visual comparisons and practical decision frameworks.

Microservices vs Monoliths Architecture Comparison

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Understanding Monolithic Architecture

A monolithic architecture represents the traditional unified model where an application is built as a single, autonomous unit. All components of the application—user interface, business logic, and data access layer—are interconnected and interdependent within a single codebase.

Key Characteristics of Monoliths

  1. Single Codebase: The entire application exists in one codebase repository.

  2. Unified Deployment: The …

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