Cilium Usage at DigitalOcean eBPF Summit ## History / Context - DigitalOcean Kubernetes Service aka DOKS: our managed Kubernetes offering - Started out using Flannel but decided to move to Cilium in late maintained project o healthy, supportive community ● Today, all O(10000) DOKS clusters run on Cilium ## Cilium in the DOKS Architecture - cilium-agent managed as DaemonSet on each worker node - cilium-operator How's Cilium been working for us? ## Good experience overall ☐ reasonably easy to maintain ~3.5% of DOKS clusters are using {Cilium}NetworkPolicies directly ## • Upgrades have been pretty smooth ☐ moved