The Host-Side Pipeline: eBPF vs. P4 for Internal Kernel Packet Processing

Processing packets through traditional user-space software layers creates severe processing bottlenecks and introduces latency inside the server node.
🚀 The Kernel Alternative: Run eBPF programs directly inside the host Linux kernel to process network actions before traffic ever hits user-space.
Why this represents a structural transformation for server networking:
✅ In-Kernel Packet Steering: Modifies, encapsulates, and paths packets at the lowest software layer, achieving near-hardware execution speeds.
✅ Host-to-Fabric SRv6 Unity: Allows servers to inject SRv6 transport instructions directly into packets before they touch the physical switch.
✅ Dynamic Kernel Programmability: Enables real-time networking updates and security rules inside running systems without requiring kernel reboots.
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