Keynote: Innovation of the Network Infrastructure at Alibaba

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" summary

Alibaba builds its own network stack and hardware, moving from vendor boxes to whitebox switches and a user-mode networking stack that cuts latency by over tenfold. The platform supports customized DDoS mitigation up to multiple terabits per second, a gateway that handles >400 million pps, RDMA-based storage delivering >1,000,000 IOPS per disk, and a programmable-ASIC gateway that reaches terabits/sec with sub-microsecond latency. Practical details cover exact hardware choices, software modules, and performance tradeoffs.

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