Edge, DNS, and Load Balancing

Route users to healthy capacity while managing latency, failover, TLS, and traffic shaping.

30 min

3 sections

edge

dns

load-balancing

01. Understand each routing layer

Section 1 of 3

DNS picks a broad destination, edge networks terminate TLS and absorb attacks, load balancers distribute requests across healthy backends, and service meshes can route inside the cluster. Each layer has different speed and failure behavior.

text

Client
  -> DNS policy
  -> CDN / edge WAF
  -> regional load balancer
  -> API gateway
  -> service load balancer
  -> application instance

Data Modeling for System Design

Caching Strategies

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