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Blog Categories Deep Dive

May 11, 2021

CNI Benchmark: Understanding Cilium Network Performance


As more crucial workloads are being migrated to Kubernetes, network performance benchmarks are becoming an important selection criter...

November 10, 2020

eBPF - The Future of Networking & Security


Today is an exciting day for the Cilium community: Isovalent, the company behind Cilium, is announcing its $29M Series A financing ro...

March 18, 2019

Deep Dive into Cilium Multi-cluster


This is a deep dive into ClusterMesh, Cilium's multi-cluster implementation. In a nutshell, ClusterMesh provides:...

December 10, 2018

Cilium 1.4 Preview: Multi-Cluster Service Routing, DNS Authorization, and Transparent Encryption

Multi Cluster Services

As we all enjoy a wonderful week at KubeCon 2018 US, we want to provide a preview into the upcoming Cilium 1.4 release. We are days a...

December 3, 2018

Analyzing the CNI performance benchmark


First of all, huge shout-out to Alexis Ducastel for putting together a great CNI benchmark comparison. To be honest, there was defini...

November 20, 2018

Deep Dive into Facebook's BPF edge firewall

Facebook Infrastructure Logo

We have covered Facebook's BPF-based load balancer with DDoS protection in a previous blog post: Why is the kernel community replacin...

August 7, 2018

Istio 1.0: How Cilium enhances Istio with socket-aware BPF programs

Istio 1.0 was released last week. From the Cilium community, we would like to congratulate all Istio contributors for this massive ef...

April 24, 2018

Cilium - Rethinking Linux Networking and Security for the Age of Microservices

To celebrate the Cilium project hitting 1.0, we wanted to take a moment to share the broader story behind how BPF and Cilium are driv...

April 17, 2018

Why is the kernel community replacing iptables with BPF?

The Linux kernel community recently announced bpfilter, which will replace the long-standing in-kernel implementation of iptables wit...

Cilium 1.0.0-rc4 released

We are excited to have released Cilium 1.0.0-rc4. The release contains a lot of bugfixes as usual plus a lot of CI work to ensure qua...

February 7, 2018

Connectivity Troubleshooting with cilium-health

As we approach the upcoming 1.0 release, the Cilium community has been putting a lot of effort towards monitoring and troubleshooting...

December 5, 2017

What Cilium and BPF will bring to Istio

There is a lot of excitement around Istio this week at KubeCon. We are getting pinged multiple times a day now with questions on how ...

Cilium now supports Kafka!

We have released Cilium v0.12 a couple of weeks back. One of the exciting feature additions is the introduction of Kafka protocol vis...

July 7, 2017

Tutorial: Applying HTTP security rules with Kubernetes

This blog post focuses on Layer 7 (HTTP) policy rules and how to apply them for both outgoing and incoming connections in the context...

May 5, 2017

Demo: May the Fourth be with you

In celebration of today's date, May 4th, we are posting our Star Wars demo of Cilium that we showed at CNCF/KubeCon in Berlin or Dock...

May 3, 2017

Why we love the cloud for CI/CD

A while ago we started thinking about how to build a continous integration (CI) testing infrastructure that would help us maintain th...