An accessible primer on the client-server model, the backbone of modern computing, explaining how clients request services and servers respond via standardized protocols in a continual request-response cycle, outlining key components, everyday uses from e-commerce to cloud storage, a coffee shop app workflow, and why this pattern enables scalable, efficient, user-friendly systems.
Designing RESTful APIs centers on resource-based, client-server, stateless, cacheable systems with a uniform interface, optional code-on-demand, and layered architecture. Emphasizing scalability, performance, and security, it urges clear URIs, correct HTTP verbs and status codes, and solid docs. An e-commerce example shows how these practices yield scalable, maintainable, efficient APIs for modern apps.
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