Service Registration and Discovery: Origins, Problems Solved, Characteristics, and Implementation with Zookeeper and Eureka
This article explains the origins of service registration and discovery in microservice architectures, outlines the problems they address, describes their key characteristics, and compares implementation approaches such as DNS, Zookeeper, Dubbo, and Eureka, highlighting the CAP‑theorem trade‑offs between Zookeeper (CP) and Eureka (AP).
