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Lessons (5)

• Networking, DNS and Traffic Routing

  Understand the request path from OSI layers and DNS through load balancers, anycast and reverse proxies. ![Traffic routing …

• How a Web Request Works

  Follow one click from the browser to the server and back, through DNS, TCP, TLS, HTTP, load balancers …

• Services & Ingress

  Pods come and go, so how does traffic find them? ClusterIP, NodePort and LoadBalancer Services, cluster DNS, Ingress …

• API Gateway, BFF & Service Discovery

  … Services , AWS ALB DNS-based A stable DNS name resolves to healthy instances Kubernetes DNS: orders.default.svc …

• Dynamic Programming

  … Used by git diff and DNA comparison. State: dp[i][j] = LCS length of the first i chars …