Strong vs Eventual Consistency in System Design

Why does this matter in distributed systems and why you should know this? Modern software systems are rarely contained on a single machine. They are spread across multiple servers and regions to ensure they stay fast and reliable for users everywhere. This distribution is a powerful tool, but it creates a challenge. When you have multiple copies of your data stored on different servers, you have to decide how to keep those copies in sync. This is the "consistency" problem. How you handle this de