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• Cloud Native is an evolution of how to better meet application developers needs in a world that has moved beyond the mental model of the underlying infrastructure
• Cloud Native Networking is vast, encompassing various projects such as CNI, CoreDNS, Envoy, gRPC, Linkerd, NATs, Network Service Mesh, BFE, Contour, Kuma, Service Mesh Interface, Chaos Mesh, Open Service Mesh, Emissary, k8gb, Service Mesh Performance, Submariner, Cilium, Meshery, Fab Edge, Istio, Nighthawk, Aeraki, and FabEdge
• Minimal toil is one of the central maxims of Cloud Native, which includes the cognitive toil involved in understanding what to do
• CNI is the SPI that plugins must meet in order to provide networking to a Kubernetes cluster
• The base layer of what you get in intra-cluster networking is every pod can reach every other pod via L3 VIP
• Isolation in Kubernetes is typically done with Network policies, which allow you to specify via selection certain pods that are going to be isolated
• Services deal with service discovery and routing in the most basic sense