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Load Balancer — L4 vs L7

Distributed Systemsload-balancing

The Question

What is the difference between L4 and L7 load balancers?

What a Strong Answer Covers

  • L4 = IP/port
  • L7 = HTTP content
  • SSL termination at L7.

Related Questions

  • Consistent Hashing
  • Rate Limiting
  • CDN
  • Distributed Transactions — 2PC, Saga
  • Exactly-once Delivery

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