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Article0 replies3,710 followingPosted 03 Aug 2025, 15:08 UTC117.4K views4,494 votes

Choosing the Right UML Diagram for Microservice Interactions

Learn how sequence diagrams clarify microservice contracts and why a hybrid approach balances detail and maintainability.

Community & Careers · Blog

Tasadduq Burneyowner

Started03 Aug 2025, 15:08 UTC

Level 38Owner35,275 rep points

Community & Careers

Article0 replies1,498 followingPosted 23 Jun 2026, 13:56 UTC42.2K views3,066 votes

Specify Service Protocol Paths with UML 2.x Combined Fragments

Use UML 2.x alt, opt, loop, and break fragments to make service protocol branches explicit before implementation.

Community & Careers · Guide

uml service-protocol combined-fragments

Community & Careers

Article0 replies4,270 followingPosted 30 Dec 2025, 05:18 UTC148.9K views2,056 votes

Modeling Complex Control Flow in UML Sequence Diagrams with Combined Fragments

UML 2.5 Combined Fragments (alt, opt, loop, par) model retries, optional flows, and true concurrency in one sequence diagram. Includes a payment-service example, nesting limits, guard portability, and why par needs a companion component diagram.

Community & Careers · Blog

uml concurrency-modeling combined-fragments

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Article0 replies3,913 followingPosted 18 Jan 2026, 03:09 UTC114.7K views2,750 votes

Using UML Sequence Diagrams to Tame Asynchronous Chaos

UML Sequence Diagrams help map asynchronous API calls and identify edge cases before code is written, preventing integration errors in distributed systems.

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asynchronous-programming distributed-systems uml

Community & Careers

Article0 replies4,204 followingPosted 27 Feb 2026, 19:19 UTC17K views4,100 votes

Modeling REST API Interactions with UML 2.5 Sequence Diagrams: A Practical Guide

A step-by-step guide to creating UML 2.5 sequence diagrams from OpenAPI specs — covering lifelines, synchronous/asynchronous messages, combined fragments for error handling, and validation checks that keep diagrams aligned with implementation.

Community & Careers · Guide

uml

openapi sequence-diagram

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Article0 replies2,538 followingPosted 19 Mar 2026, 08:21 UTC64.9K views4,258 votes

Using UML Sequence Diagrams to Verify Inter‑Service Calls in a Distributed Microservice System

Discover how to model and validate OrderService → PaymentService interactions with UML sequence diagrams, check real call order with logs, and understand when async messaging can break the model.

Community & Careers · Blog

microservices uml unified-modeling-language