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Unimog - Cloudflare’s edge load balancer

Blog post from Cloudflare

Post Details
Company
Date Published
Author
David Wragg
Word Count
7,919
Company Posts That Month
27
Language
English
Hacker News Points
12
Post removed?
No
Summary

Unimog is an eBPF-based Layer 4 Load Balancer developed by Cloudflare for their edge data centers. It uses XDP (eXpress Data Path) to process incoming network traffic at the lowest level of the Linux kernel, allowing it to operate with minimal overhead and high performance. The Unimog control plane generates forwarding tables that are used by its data plane to distribute connections across servers in a consistent manner. Unimog also supports daisy-chaining for maintaining established TCP connections when forwarding table updates occur.

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