Lesson 61 - Extensibility Using Pub/Sub Messaging    
(June 3, 2019)

Architectural extensibility provides the ability to add additional functionality to a system with little or no change to the existing structure or code. One way to achieve this is through the use of publish and subscribe (pub/sub) messaging. In this lesson Mark Richards shows the issues associated with extensibility in an architecture, and illustrates how to achieve extensibility using pub/sub messaging. Knowing nothing is free, he then discusses the tradeoffs associated with using publish and subscribe messaging. 

Reference Links:

Software Architecture Monday: https://bit.ly/3dadEe3
Fundamentals of Software Architecture: https://amzn.to/3rgFLjY
Software Architecture: The Hard Parts: https://amzn.to/3BjMMF2

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