Fashionable cloud-native programs are constructed on extremely dynamic, distributed infrastructure the place containers spin up and down consistently, companies talk throughout clusters, and conventional networking assumptions break down. Linux networking was designed many years in the past round static IPs and linear rule processing, which makes it more and more tough to realize scale in Kubernetes environments. On the identical time, modifying the Linux kernel to maintain up with these calls for is gradual, dangerous, and impractical for many organizations.
The Prolonged Berkeley Packet Filter, or eBPF, is a Linux kernel expertise that permits sandboxed packages to run safely contained in the kernel with out modifying kernel supply code or loading kernel modules. Cilium is an open-source, cloud-native networking platform that’s constructed on eBPF, and supplies, secures, and observes connectivity between workloads in Kubernetes and different distributed environments.
Invoice Mulligan is a maintainer within the Cilium ecosystem and a member of the staff at Isovalent, the corporate behind Cilium. He joins the present with Gregor Vand to debate how eBPF works below the hood, why Cilium has turn into probably the most broadly adopted Kubernetes networking initiatives, and the way the way forward for cloud-native infrastructure is being reshaped by programmable kernels.
Please click on right here to see the transcript of this episode.
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