Kubernetes Networking 101 will introduce attendees to the world of network communications in a hands on Cloud Native setting. This talk delivers a high level but completely practical end to end look at service communications within and without a Kubernetes cluster. Attendees will see how the many facets of Kubernetes networking come together to enable powerful communications solutions first hand. The tutorial begins with the simplest types of service communications, using Kubernetes services, DNS (CoreDNS) and CNI plugins (Cilium) to facilitate interprocess communications and load balancing. The tutorial builds additional scenarios on this base, including ingress (Emissary/Envoy), NodePort / HostPort features, load balancing (Metal-lb) and finally a short look at service mesh functionality (Linkerd). Upon completion of this tutorial, attendees will have a clear understanding of the Kubernetes communications possibilities and pointers to next steps in the learning journey.
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