Built in the Open: Why Cisco Is Betting on eBPF, Ci...
summary
Cisco describes concrete engineering work: investing upstream in Cilium, eBPF, and Tetragon and claiming they’re now a decade old and core to the next decade of infrastructure. It describes a two-tiered load balancer rebuilt in software using eBPF/XDP and Envoy with Tier 1 processing L3/L4 at the NIC and Tier 2 terminating TLS and doing L7 routing, an isovalent CNI that moves containers and VMs with a single policy model, and embedding eBPF and Tetragon in Nexus switches to patch switches in real time.
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