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October 24-28
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Thursday, October 27 • 4:30pm - 5:05pm
100Gbit/S Clusters With Cilium: Building Tomorrow’s Networking Data Plane - Daniel Borkmann & Nikolay Aleksandrov, Isovalent

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The vast majority of Kubernetes users today are running IPv4-only clusters or transitioning to dual stack deployments as an interim step on the journey towards IPv6-only clusters. The latter are not only an enabler for more IPAM flexibility and larger cluster scale, but also unlock new Linux kernel innovations in networking and eBPF to cater for data intensive workloads. In this talk, we examine what's possible once we arrive at IPv6-only clusters. We present recent advancements in Cilium's networking data plane enabling a low-latency architecture suitable for "BIG TCP"-based workloads requiring IPv6 for 100Gbit/s transfers and beyond for a single socket. In addition, we deep dive our path into achieving host networking performance characteristics for Pods through a new veth driver replacement we specifically developed for the kernel in context of Cilium. With the resulting eBPF forwarding architecture, most unneeded parts of the stack are bypassed, drastically improving networking.

avatar for Daniel Borkmann

Daniel Borkmann

Daniel Borkmann is co-creator of both eBPF and Cilium, a founding engineer at Isovalent, and an active contributor for over a decade to the Linux kernel’s networking and eBPF subsystem. He also co-maintains eBPF in the Linux kernel.

Nikolay Aleksandrov

Software Engineer, Isovalent
Nikolay Aleksandrov is a senior software engineer at Isovalent and a co-maintainer of the Linux bridge driver. He has experience with network operating systems development and is a long-term Linux kernel networking contributor.

Thursday October 27, 2022 4:30pm - 5:05pm EDT
252 AB Huntington Place: 1 Washington Blvd, Detroit, MI 48226