Tag: Cloud

Cloud Networking 101 for On-Prem Admins

Networking from Scratch (lesson 11) — what a VPC actually is, why every cloud subnet is bound to one AZ, what really makes a subnet public or private, the four gateways (Internet, NAT, Peering, Transit), security groups vs NACLs, connecting to on-prem with VPN or dedicated interconnects, and the pets-vs-cattle mindset shift that changes how you think about IPs.