Introduction to Kubernetes Pod Networking - Part 1

In this three part series, we deep dive into the Kubernetes Pod networking options on Amazon, and provide some guidance on the trade-offs involved in selecting a particular Kubernetes Network technology for your cluster on Amazon.

Racy conntrack and DNS lookup timeouts

Recently there were many Kubernetes user bug reports about DNS lookups from Pods sometimes taking 5 or even more seconds. In this blog post I will explain the root causes for such delays, discuss some mitigations and present some kernel fixes.

Weave ‘Gossip’ DNS

WeaveDNS was introduced in Weave 0.9 as a simple solution to service discovery on the Weave network, allowing containers to find other containers’ IP addresses by their hostnames. With Weave 1.1, we’re introducing a completely redesigned...