zero_downtime_techniques

# Zero-Downtime Migration Techniques

## Overview

Zero-downtime migrations are critical for maintaining business continuity and user experience during system changes. This guide provides comprehensive techniques, patterns, and implementation strategies for achieving true zero-downtime migrations across different system components.

## Core Principles

### 1. Backward Compatibility
Every change must be backward compatible until all clients have migrated to the new version.

### 2. Incremental Ch