AWS VPC Explained: Private Networking Fundamentals for Cloud Beginners

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Amazon Web Services offers Virtual Private Cloud (VPC) as a way to create a logically isolated, private network within the shared AWS infrastructure. A VPC allows users to define their own IP address ranges, divide them into subnets, and control traffic using components like Internet Gateways, Route Tables, Security Groups, and NAT Gateways. Subnets segment the network into public and private tiers, helping separate web servers, application servers, and databases for security and organisation. Key prerequisites for understanding VPC include IP addressing, subnetting, CIDR notation, and port concepts. The topic is considered foundational to AWS networking, as most other cloud services depend on VPC configuration.

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