eBPF-based Networking, Observability, Security
Cilium is an open source, cloud native solution for providing, securing, and observing network connectivity between workloads, fueled by the revolutionary Kernel technology eBPF
Discover Cilium
Google chooses Cilium for Google Kubernetes Engine (GKE) networking
What Makes a Good Multi-tenant Kubernetes Solution
AWS picks Cilium for Networking & Security on EKS Anywhere
Use Cases
Networking
Observability
We are proud to be a CNCF Graduation level project
Get Hands-On With Cilium
Documentation & Tutorials
Quickly get started with Cilium. Read the documentation or use our interactive tutorial in a live environment.
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Interactive Labs
Deep dive into Cilium and its features with labs provided by companies within the Cilium ecosystem
Cilium in Production
“Cilium enabled us to acquire more sophisticated customers.”
“Cilium is just stable. We have been running it in production for almost 5 years and we haven’t had any major incidents in the dataplane which is very important for our applications.”
“To us, Cilium is a single solution that covers a large number of our platform feature requirements. Before, we couldn’t find a single solution to all of our challenges but when we used Cilium, it was a perfect match.”
Featured Talks
The Cilium Story - Why We Created Cilium - Thomas Graf, Isovalent
What was the vision? How close was it to what Cilium has become today? As we make our way exploring the many Cilium milestones
eBPF - Everything You Need to Know in 5 Minutes
Why eBPF matters and why it exists. What it can do. What it can’t do. Who uses it for what. And finally, what the future holds.
Introduction to Cilium with Liz Rice & Thomas Graf
eCHO Stream, Liz Rice, Chief Open Source Officer, Isovalent, Thomas Graf, Co-Creator Cilium
