Topic

Kubernetes ingress and north-south traffic

How traffic from outside a cluster reaches workloads inside it, historically through Ingress controllers and increasingly through the Gateway API.

Current clusters

product1 publisher

Cilium 1.20 asks Ingress NGINX users to hand north-south traffic to the CNI they already run

The release jumps two Gateway API minor versions to v1.6 and adds ExternalAuth, CORS filters, ListenerSets and non-HTTP route types. What is left of the case for a separate ingress tier is the annotations you cannot port.

Publishers:cncf.io

Reality

Evidence55
Adoption40
Hype gap+25
Incentives75
Confidence50