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Home ยป StackMap: Low-Latency Networking with the OS Stack and Dedicated NICs
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StackMap: Low-Latency Networking with the OS Stack and Dedicated NICs

Authors: 

Kenichi Yasukata, Keio University; Michio Honda, Douglas Santry, and Lars Eggert, NetApp

Abstract: 

StackMap leverages the best aspects of kernel-bypass networking into a new low-latency OS network service based on the full-featured TCP kernel implementation, by dedicating network interfaces to applications and offering an extended version of the netmap API for zero-copy, low-overhead data path alongside control path based on socket API. For small-message, transactional workloads, StackMap outperforms baseline Linux by 4 to 78 % in latency and 42 to 133 % in throughput. It also achieves comparable performance with Seastar, a highly-optimized user-level TCP/IP stack that runs on top of DPDK.

Kenichi Yasukata, Keio University

Michio Honda, NetApp

Douglas Santry, NetApp

Lars Eggert, NetApp

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