Gartner Research

Assessing Event-Driven Architecture for Scalable and Reactive Web Applications

Published: 08 February 2017

ID: G00310108

Analyst(s): Brad Dayley

Summary

Evolving user expectations and digital business demands require technology professionals responsible for creating web apps to deliver highly reactive, scalable and flexible solutions. Event-driven architecture, modern JavaScript, WebSockets and back-end services help satisfy those demands.

Table Of Contents

Analysis

  • Event-Driven Web Application Architecture in a Nutshell
  • Navigating the Complexities of Designing Event-Driven Web Applications
    • Understanding Design Complexities for Event-Driven Web Applications
    • Understanding the Runtime Concerns for Event-Driven Web Applications
  • Contrasting Traditional Request-Driven and Event-Driven Communication
    • Traditional Request/Response Web Application Communication
    • Two-Way Event-Driven Web Applications Using WebSockets
  • Event-Driven Web Client Architecture
    • Client Event Mediator
    • Client WebSocket Connection to Back End
  • Event-Driven Web Back-End Architecture
    • Event-Driven Back-End Services
    • Back-End Event Mediator and WebSocket Connection
    • Persisting Event-Driven State
    • Connecting Event-Driven Web Applications With External EDA Systems
  • Event-Driven and Request/Response: The Best of Both Worlds
  • Strengths
  • Weaknesses

Guidance

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