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NVIDIA Inference Xfer Library

Push-based KV transfer in vLLM cuts TTFT up to 3x in AWS benchmark
For developersOctober 19, 2026, 18:05

Push-based KV transfer in vLLM cuts TTFT up to 3x in AWS benchmark

AWS has contributed a push-based NIXL connector to vLLM that moves KV cache transfer coordination off the critical path in disaggregated prefill-decode inference. In…

vLLM adds push-based KV transfer to cut TTFT in disaggregated inference
For developersOctober 14, 2026

vLLM adds push-based KV transfer to cut TTFT in disaggregated inference

vLLM has introduced a push-based mode for its NIXL connector that moves post-prefill transfer coordination off the critical path in disaggregated inference. In a…