Resilient Agent Swarms: Orchestrating Async Queues with Cloud Tasks & Pub/Sub

How to manage rate limits, retries, dead-letter queues, and state synchronization across 500+ autonomous worker agents on GCP.

When dozens of autonomous sub-agents execute simultaneously, external LLM rate limits and downstream API throttling will inevitably trigger failures. Google Cloud Tasks and Pub/Sub provide the mission-critical queuing substrate for multi-agent reliability.