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AI Infrastructure
DNS for AI Systems: Why Agents Time Out First
How CoreDNS, the ndots:5 search-domain blowup, and the Linux conntrack race produce 5-second AI agent timeouts that masquerade as a slow model — and how to fix them.
AI Infrastructure
Load Balancing LLM Inference at Scale
Why round-robin and L4 load balancing fail for LLM traffic, how KV-cache-aware routing and the Gateway API Inference Extension cut TTFT, and who actually needs this.
AI Infrastructure
Rate Limits, Retries & Backpressure in AI Systems
How LLM API rate limits really work, why you must read Retry-After and x-ratelimit headers, and how backoff with jitter and backpressure stop 429 storms.