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Traditional NodePort services in Kubernetes face critical limitations: each service requires a dedicated port, leading to port exhaustion, and they operate only at Layer 4 (TCP/UDP), lacking HTTP-aware routing capabilities. Ingress addresses these gaps by providing a Layer 7 HTTP(S) routing layer that abstracts external access through domain-ba ...

Ingress Overview Layer 7 Load Balancing Requirements When clients access Kubernetes services, Layer 4 load balancers cannot terminate SSL sessions. This creates two significant issues: clients must establish direct SSL connections with backend pods, and if a request is routed to a different server after the SSL session is established, the sessi ...