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The issue for developers at large with their many different needs and concerns is knowing when to turn to microservices and when to stay with traditional software architectures.


  • The monolithic application has a long history and still serves many useful functions.

Features and Benefits

  • Analyze the pros and cons of monolithic versus microservices against a table of criteria.
  • Identify the technology most appropriate for your software application requirements in terms of monoliths and microservices.

Key questions answered

  • Which software architecture is the right choice and what are the criteria?
  • How can FaaS offer a third option?

Table of contents


  • Catalyst
  • Ovum view
  • Key messages
  • Recommendations for enterprises
  • Recommendations for vendors

Architecture selection guidelines

  • Evolution of microservices
  • Key use cases for selecting monolithic architecture
  • Key use cases for selecting microservices architecture
  • Key criteria for selecting the right architecture for the task
  • When to break the monolith: microservices transformation

Scale, complexity, and development cost

  • The threshold when microservices win over monoliths

FaaS: a third option between microservices and monoliths

  • FaaS solutions are now available open source and portable


  • Further Reading
  • Author

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