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NETWORK ARCHITECTURE

Load-Balanced App Servers with Cache and DB

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UPDATED 2026-06-28
TYPENetwork
USE-CASEServer Database Connection
EXAMPLELoad-Balanced App Servers with Cache and DB
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CASE ANALYSIS

Scenario

A high-availability web application uses load-balanced application servers, a shared Redis cache for session state, and a primary database for persistent storage.

Key decisions

  • Placement of a firewall to protect internal resources from internet traffic
  • Use of a load balancer to distribute incoming requests across multiple app servers
  • Centralized Redis cache for shared session data across servers
  • Single primary database server for transactional data

When to reuse this

This pattern fits any multi-tier web application needing scalability, session management, and relational data storage behind a load balancer.

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