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Informatics 121 Software Design I

This lecture discusses the architecture design in informatics, focusing on the conceptual core and principal set of design decisions that make a system work. Components, connectors, data model, protocols, interfaces, naming, and algorithms are explored with relevant examples such as instant messaging, HTTP, and Facebook.

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Informatics 121 Software Design I

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  1. Informatics 121Software Design I Lecture 19 Duplication of course material for any commercial purpose without the explicit written permission of the professor is prohibited.

  2. Today’s lecture • Architecture design

  3. Architecture • “The conceptual core” • “That what really makes it work” • “Principal set of design decisions” • “Essence of the solution”

  4. Architecture • Components and connectors • Data model • Protocol • Interface • Naming • Algorithm • …

  5. Example: instant message

  6. Example: HTTP

  7. Example: Facebook

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