System Design AI

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All designs 5

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2. Design a Distributed Rate Limiter
Enforce tenant quotas across servers while making burst behavior and outage policy explicit.
ClassicMedium
Caching Databases Concurrency
+8
Distributed systems API gateways AWS Lua Rate limiting Redis Reliability Token bucket
Worked design
Practice
10. Design an API Gateway
Route API traffic with authentication, tenant limits and safe configuration rollout.
ClassicMedium
Security API design API gateways
+7
Authentication AWS Control plane Envoy Rate limiting Reliability Routing
Worked design
Practice
Practice briefStart with your own approach
12. Roll out configuration to a disconnected fleet
Safely converge 40,000 gateways while some sites are disconnected and old controllers can return.
Infrastructure & SREHard
Configuration Deployment Reconciliation
+2
Reliability Rollback
Discuss
Practice
Practice briefStart with your own approach
13. Keep a regional ingress service alive
Survive a regional outage without confusing a health check with safe recovery.
Infrastructure & SREHard
Distributed systems Capacity planning Failover
+3
Multi region Reliability Routing
Discuss
Practice
117. Design a Self-Healing GPU Fleet
Detect, classify and repair failing GPU nodes (Xid errors, ECC, NVLink and EFA faults, stragglers, silent corruption) without draining the fleet.
ClassicMedium
Observability AI infrastructure AWS
+2
GPUs Reliability
Worked design
Practice

Each design brings together the brief, practice, examples and discussion.