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CS122B: Projects in Databases and Web Applications Winter 201 9

CS122B: Projects in Databases and Web Applications Winter 201 9. Notes 03: Micro-service architecture (a.k.a. Frontend Backend Separation or Restful API) Professor Chen Li Department of Computer Science UC Irvine. Old architecture: backend generates HTML.

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CS122B: Projects in Databases and Web Applications Winter 201 9

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  1. CS122B: Projects in Databases and Web Applications Winter 2019 Notes 03: Micro-servicearchitecture(a.k.a.Frontend Backend Separation orRestfulAPI) Professor Chen Li Department of Computer Science UC Irvine

  2. Old architecture: backend generates HTML

  3. New architecture: microservices

  4. New architecture: Backend/frontend separation

  5. Micro-services:benefits(1) • Dutyseparation: • Backend concentrates on processing and manipulating data. • Frontend concentrates on how to present the data nicely to the user. • Extensive use of Javascript makes the website more responsive.

  6. Micro-services:benefits(2) • Multiple UI clients (Web, Android, iOS) can share the same backend API • In the old way, Android and iOS applications can’t reuse the same backend code.

  7. Micro-services:benefits(3) • Separation team, development, and technology stack. • Frontend team and backend team can work separately after the API format is specified. • Frontend team can use mock data in development without waiting for the backend to be completed. • Frontend doesn’t have to rely on backend languages (Java/PHP/C#/…). • The rise of frontend frameworks (Angular, React, …).

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