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UID:pretalx-devconf-us-2025-3HRSNF@pretalx.devconf.info
DTSTART;TZID=EST:20250919T144000
DTEND;TZID=EST:20250919T145500
DESCRIPTION:In OpenShift\, the default container datapath is implemented us
 ing veth pairs connected to an OVS bridge\, relying on kernel-space networ
 king. With the introduction of DPDK and VDUSE (vDPA devices in userspace)\
 , OpenShift now not only offers a userspace datapath solution for containe
 r networking\, but also unlocks the benefits of DPDK to containerized work
 loads—similar to the vhost-user solution used in traditional virtualized
  environments.\nBut what are the actual performance characteristics of the
  userspace datapath in OpenShift? And how does it compare to the kernel-sp
 ace datapath?\nIn this talk\, we will first present the technical architec
 ture of the VDUSE OVS-DPDK userspace datapath solution we are implementing
  in OpenShift. We will then answer these questions by showcasing real-worl
 d benchmark results\, focusing on key metrics such as latency\, throughput
 \, packets per second (PPS)\, among others.
DTSTAMP:20260315T083638Z
LOCATION:Hewitt Boardroom (Capacity 35)
SUMMARY:What Are the Performance Characteristics of Userspace and Kernel-Sp
 ace Datapaths in Container Networking? - Yanhui Ma\, -
URL:https://pretalx.devconf.info/devconf-us-2025/talk/3HRSNF/
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