Cilium - overview and recent updates
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Cilium is an open source project which provides networking, security and load balancing for containers by using eBPF and XDP technologies in the Linux kernel. It provides eBPF and XDP features to CRI-O, Docker and Kubernetes. This presentation shows an overview on Cilium, explains the concepts behind it and then provide the project update, as it reached the 1.0 milestone last year. The video from talk at FOSDEM 2019: https://video.fosdem.org/2019/H.2214/cilium_overview_and_updates.webm
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Cilium - overview and recent updates
- 1. Cilium - overview and recent updates Michal Rostecki Software Engineer mrostecki@suse.com
- 5. What’s new in Cilium?
- 6. Cilium releases FOSDEM 2018 1.0 1.1 1.2 1.3 FOSDEM 2019 1.40.12 10.2017 02.2018 04.2018
- 7. 1.0 milestone ● Guarantee of: ○ API stability ○ LTS releases ○ Downgrades and upgrades
- 9. Support for additional container runtimes
- 12. Key-value store agent agent agent agent
- 13. BGP support: integration with Kube-router ● CNI plugin ❌ ● Fetching cluster IPs of services from Kubernetes API ✓ ● Advertising cluster IPs of services ✓ ● CNI plugin ✓ ● Handling Network Policies ✓
- 14. Support for:
- 15. Incoming in 1.4
- 17. Cilium running on top of Flannel ...and in future maybe on top of some other CNI plugins! ● Allocates IP addresses ● Creates veth pairs for each pod ● Gathers the result of Flannel CNI plugin ● Creates BPF programs which are attached to veth devices