How Linux Kernel BPF Transforms Network Security
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We look at how eBPF has moved from a niche debugging tool to the backbone of modern cloud networking, using Cilium and Envoy as primary examples. With over two hundred thousand contributors now interacting with the kernel through this interface, we examine why enterprises are rewriting their security policies in userspace rather than waiting for kernel updates. This shift allows for near-zero-latency packet inspection, fundamentally changing how companies like Google and Netflix handle traffic encryption and load balancing without sacrificing performance.
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