AWS introduced a Kubernetes-native Inference Gateway for SageMaker HyperPod that replaces round-robin load balancing with real-time, inference-signal-driven routing. Deployed as an EKS add-on, it uses Envoy to terminate HTTPS and a body-based router to direct requests to specific GPU pools by reading the model name from the request payload. This architecture enables single-endpoint serving for multiple models while reducing first-token latency by up to 82% and p99 TTFT by 97–98% in mixed-hardware scenarios.
- Zero client-side changes required; clients use a single private endpoint URL.
- Routes to correct GPU pools by parsing model name from request body.
- Deploys as an EKS managed add-on on existing HyperPod infrastructure.
- Cuts p99 TTFT by 97–98% in mixed-hardware and burst traffic scenarios.