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System Design · Concept

HTTP

HTTP is a request/response protocol for moving data between clients and servers. Requests use methods and resources; responses provide content and completion status information.

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Syntax

METHOD /resource

In-depth API docs are only for subscribers: parameters, examples, common mistakes and interview practice.

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  • TCP
  • UDP
  • REST
  • RPC
  • Caching
  • Load balancing

Source: system-design-primer/README.md at master · donnemartin/system-design-primer · GitHub. Checked 2026-11-03.