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The Kube-router is a turnkey solution for Kubernetes networking with the aim to provide operational simplicity. Networking is hard as such. In a typical Kubernetes cluster, you would need to install multiple network components for various functionality. With many moving parts it makes Kubernetes networking even harder. Kube-router provides a cohesive yet lean and powerful alternative to several network components you would use. All this from a single DaemonSet/Binary. It doesn't get any easier. Providing high performance is at the core of all the design choices made in Kube-router. Be it the use of IPVS/LVS for service proxy or the use of direct routing across the nodes for pod networking etc. Kube-router is also a purpose-built solution for Kubernetes so no additional overhead to support other orchestration platforms and natively integrates with out-of-box functionality provided by Kubernetes and CNI plug-ins for IPAM, pod networking, etc.
Features
- Kube-router uses battle-tested Linux LVS/IPVS to provide a service proxy and provides rich set of scheduling options and enables advanced use-cases like DSR
- kube-router handles Pod networking efficiently with direct routing thanks to the BGP protocol and the GoBGP Go library
- Kube-router fully support Network Policy semantics. It uses ipsets with iptables to enforce network policies but have as little performance impact on your cluster as possible
- Kube-router has the ability to advertise service VIP's to L3 fabric BGP peers. So you can do network load balancing with ECMP
- Although it does the work of several of its peers in one binary, kube-router does it all with a relatively tiny code base
- The combination of BGP for inter-node Pod networking and IPVS for load balanced proxy Services is a perfect recipe for high-performance cluster networking at scale
Project Samples
