---
id: "kb-2026-00160"
title: "Microservices Architecture"
schema_type: "TechArticle"
category: "computer-science"
language: "en"
confidence: "low"
last_verified: "2026-05-28"
created_date: "2026-05-22"
generation_method: "human_only"
derived_from_human_seed: true
conflict_of_interest: "none_declared"
is_live_document: false
data_period: "static"
completeness: 0.72
atomic_facts:
  - id: "fact-computer-science-001"
    statement: "O'Reilly describes Building Microservices as a book that takes a holistic view of topics involved in building, managing, and evolving microservice architectures."
    source_title: "Building Microservices (2nd Edition)"
    source_url: "https://www.oreilly.com/library/view/building-microservices-2nd/9781492034018/"
    confidence: "low"
  - id: "fact-computer-science-002"
    statement: "The O'Reilly book page identifies the second edition as a 2021 Sam Newman book from O'Reilly Media."
    source_title: "Building Microservices (2nd Edition)"
    source_url: "https://www.oreilly.com/library/view/building-microservices-2nd/9781492034018/"
    confidence: "low"
  - id: "fact-computer-science-003"
    statement: "A cautious microservices primer can introduce independently deployable services, decentralized ownership, operational complexity, and failure handling as core themes."
    source_title: "Building Microservices (2nd Edition)"
    source_url: "https://www.oreilly.com/library/view/building-microservices-2nd/9781492034018/"
    confidence: "low"
known_gaps:
  - "This is a low-confidence primer backed by one book page."
  - "Pattern-level guidance, migration strategy, and operational trade-offs require more detailed sources."
disputed_statements: []
primary_sources:
  - title: "Building Microservices (2nd Edition)"
    authors:
      - "Newman, Sam"
    type: "book"
    year: 2021
    url: "https://www.oreilly.com/library/view/building-microservices-2nd/9781492034018/"
    institution: "O'Reilly"
secondary_sources: []
---

## TL;DR

Microservices architecture decomposes software into separately owned and operated services, but the approach also introduces distributed-systems and operational trade-offs. This primer is low confidence because it is mapped to one book page.

## Core Explanation

Building Microservices is a practical source for the topic, but a one-source public primer should avoid overclaiming. It can safely introduce common themes: independently deployable services, boundaries around business capabilities, decentralized data or ownership, automation, observability, and failure handling.

The important caution is that microservices are not automatically better than monoliths. They can improve independent delivery in the right organization, but they also add network, deployment, data-consistency, and operational complexity.

## Further Reading

- [Building Microservices (2nd Edition, Sam Newman)](https://www.oreilly.com/library/view/building-microservices-2nd/9781492034018/)

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