S4E29 - Kubernetes Networking Explained: CNI, DNS & Pod Communication Unveiled | Pithoracademy

Описание: In this episode of Pithoracademy’s Deep Dive Podcast, we dive into the essential topic of Kubernetes Networking — focusing on CNI (Container Network Interface), DNS resolution, and how Pods communicate within the cluster.

Networking is at the core of Kubernetes. Whether you’re building microservices, service meshes, or simply managing internal app communication, a strong grasp of networking is non-negotiable.

🎧 We covered:

🌐 What is Kubernetes Networking and why it matters?

📡 The role of CNI plugins like Calico, Flannel, Weave, and Cilium

🧠 Core concepts for beginners: Pod-to-Pod, Service-to-Pod communication, DNS resolution

❓ Why Kubernetes abstracts and manages networking internally

⚠️ The impact of not configuring networking correctly in real-world environments

🧪 Real-world example: service discovery and pod addressability

⚙️ How networking works under the hood: CNI drivers, kube-dns/CoreDNS, NAT, and IPAM

🔩 Key components: coredns, kube-proxy, network policies, CNI binaries

✅ Best practices for networking setup, debugging, and multi-cluster communication

🎯 Key takeaway: understanding networking unlocks the full potential of Kubernetes

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#Kubernetes #Networking #CNI #CoreDNS #PodNetworking #DevOps #Pithoracademy #CKA #KubernetesTutorial #TechPodcast #ServiceDiscovery

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