23Why did eBPF-based networking displace iptables in Kubernetes, and what does that change for you?▼hard★ EssentialCloudflareUberDatadog2 notes & comments○ sign inCompare the configured Service datapaths and their lookup and update mechanisms. The iptables datapath degrades with service count, and eBPF replaces a linear scan with a map lookup.Open full answer →
61Sidecar proxies cost us real memory per pod. Do ambient and Cilium-style meshes actually remove that cost, and what do they trade?▼mediumSalesforceStripeSAP◆ premiumYes, the proxy moves: one L4 agent per node, eBPF in-kernel, waypoints only where L7 policy demands. The scored answer quantifies the sidecar bill, compares where each architecture lands the proxy, and names migration risks.Open full answer →
