~/talk

To InfiniBand and Beyond!

on YouTube 32m
Talkat DevConf.CZ 2026 · on Friday, 2026-06-19· at 13:15· D0207 (capacity 90)· [kubernetes, networking]

speakers

name:Orel Misan
github:orelmisan
name:Sebastian Scheinkman
links:none on file

resources

video:https://youtu.be/3O25BX2Pwds
slides:none on file

summary

KubeVirt VMs receive real InfiniBand VFs via the SR-IOV Network Operator plus the IB SR-IOV CNI, using VFIO on Mellanox ConnectX‑7 cards at up to 400 Gbps in the demo. Two nodes run one VM each, VFs pass through into guests, kernels load RDMA and IPoIB modules, and InfiniBand pings and stats validate connectivity; it is a working proof‑of‑concept, upstream code exists but not yet productized. Future work uses DRA for per‑VF attributes and co‑scheduling.

AI-written summary · about

chapters (13)

  1. 0:00InfiniBand and KubeVirt intro
  2. 1:03What is InfiniBand
  3. 3:56RDMA kernel bypass
  4. 6:24InfiniBand SR-IOV in Kubernetes
  5. 9:15SR-IOV operator config
  6. 11:25KubeVirt overview
  7. 13:12KubeVirt VM network bindings
  8. 15:38Live demo: InfiniBand with KubeVirt
  9. 21:02Current scope and hardware challenges
  10. 22:29Cloud-native acceleration with DRA
  11. 26:25KubeVirt DRA adoption
  12. 27:48Summary
  13. 29:34Q&A

related talks

~/search
type to search 6,249 conferences, 138,987 speakers and 185,172 talks
~/help
cmdctrl k
search every conference, speaker and series
/
focus the filter search
h
home
c
conferences
s
speakers
e
series
t
light / dark — the status bar button does the same
?
this help
esc
close this, then clear every filter — or just the search, while you are typing in it

Ignored while you are typing. Pages without a filter rail have no search to focus.