AWS VPC Networking

Описание: Welcome back to another learning video! 🚀
In today’s deep-dive, we break down one of the most important concepts in AWS Cloud: Networking with Amazon VPC (Virtual Private Cloud).

If you've ever wondered how cloud resources communicate, how the internet reaches your applications, or how to architect secure environments—this video is your perfect starting point.

We’ll walk through VPCs, subnets, gateways, firewalls, and more using simple analogies and clear explanations that make cloud networking easy to understand.

🔥 What You Will Learn in This Video
🏗️ 1. What is a VPC? Your Private Data Center in AWS

Understand VPC as your own isolated slice of AWS

How VPC gives you full control over IP ranges, routing, and network layout

Real-world analogy: Your own private land in the AWS universe

📦 2. Subnets: Public vs Private

What subnets are and why they matter

Public subnet → For web servers exposed to the internet

Private subnet → For secure databases and backend services

How subnets help isolate and organize your architecture

💻 3. EC2 Instances Inside the Network

Launching EC2 inside specific subnets

Private IP vs Public IP explained

How instances communicate inside your VPC

🌐 4. Internet Gateway (IGW): Your Entrance to the Internet

What an IGW does

How public subnets gain internet access

Automatic scaling and high availability

🔐 5. NAT Instance/NAT Gateway: Secure Outbound Access

How private subnets access the internet securely

Why NAT creates a one-way door

Key difference between inbound vs outbound traffic

🛡️ 6. Security Layers: Security Groups vs NACLs

Instance-level vs subnet-level firewalls

Allow-only rules vs allow/deny rules

Stateful vs stateless behavior

Why both layers matter for defense-in-depth

🎯 Key Takeaway

All these components—VPCs, subnets, gateways, routes, security groups, and NACLs—are the core building blocks of AWS networking.
Mastering them is the first step to building architectures that are secure, scalable, and production-ready.

❓ Viewer Question

Using these AWS networking components, how would YOU design a secure 3-tier web application?
Drop your answer in the comments! 💬

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