27Design multi-region failover for an LLM product, including the day your model provider goes down.▼hard★ EssentialOpenAIAnthropicMicrosoft1 replies◆ premiumTwo questions disguised as one: classic multi-region (where the hard part is data, not compute) and dependency failover (where the hard part is that your fallback model gives different answers). Degraded modes are designed, not improvised.Open full answer →
36Design multi-region active-active for a stateful agent platform. Where does the state model bite you?▼hardOpenAIAnthropicMicrosoft1 replies◆ premiumActive-active is easy until two regions write the same agent's memory at once. The strong answer picks a write model on purpose, names what conflicts and what cannot, and refuses to pretend a long-running agent run survives a regional failover for free.Open full answer →
39Design GPT-scale MoE inference as a global service across regions. How do you lay it out?▼hardOpenAIGoogleDeepSeek1 replies◆ premiumA very large sparse model, hundreds of experts, and users on every continent. The layout that keeps experts close to compute, routes around regional skew, and decides what 'global KV cache' can and cannot mean.Open full answer →
