Which UML diagram best explains request flow, calls, and timing between services?

Problem Statement

Explanation

A sequence diagram shows lifelines and messages across participants over time. It clarifies who calls whom, retries, and error paths. This is ideal to reason about APIs, timeouts, and idempotency in a distributed system.

Code Solution

SolutionRead Only

User -> API -> Auth -> API -> Orders

Practice Sets

This question appears in the following practice sets:

UML Essentials for System Design

Next Question

Master Interviews
Anywhere, Anytime

Which UML diagram best explains request flow, calls, and timing between services?

Problem Statement

Explanation

Code Solution

Practice Sets

Related Questions

Which statement best describes the Single Responsibility Principle?

Open–Closed Principle encourages what practice when adding features?

High-Level Design (HLD) typically focuses on which artifacts?

Which UML diagram best captures interactions over time between components?

Which pairing describes a healthy design goal?

More from System Design

Master Interviews Anywhere, Anytime

Which UML diagram best explains request flow, calls, and timing between services?

Problem Statement

Explanation

Code Solution

Practice Sets

Related Questions

Which statement best describes the Single Responsibility Principle?

Open–Closed Principle encourages what practice when adding features?

High-Level Design (HLD) typically focuses on which artifacts?

Which UML diagram best captures interactions over time between components?

Which pairing describes a healthy design goal?

More from System Design

Master Interviews
Anywhere, Anytime