Designing Backend for Agent Systems: Architecture and AWS Deployment
blaizedsouza · x · 2026-08-23
This series covers the backend architecture for agent systems. It notes that agent workloads are slow, I/O-bound, non-deterministic, and priced per unit, making traditional request-response backends unsuitable.
Core Components:
- Identity & isolation
- API layer
- Queues
- Workers
- Model calls
- Tools
- State & sessions
- Delivery/streaming
Key Takeaway: Agent backends must shift to queues, strict isolation, cost controls, and graceful failure handling. Part 3 provides a full AWS + Terraform deployment template using Fargate, Bedrock, and zero-credential pipelines.
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