AWS - Sysops Theory
VPC Overview Logically isolated network in the AWS Cloud. Control of Network architecture. (Divide smaller subnets) Enhanced security (using security groups against the resources) Internetwork with other organizations (VPC Peering Connecting VPC's together) Elastic IP address Enable hybrid cloud (site-to-site VPN) Single tenant dedicated hardware. VPC cost = 0$ / VPN cost is $0.05/hr In order to AWS to isolate you as a tenant, they created the concept of a VPC. A VPC gives you the ability to deploy reources in an isolated manner. VPC Elements Subnets : Private Subnets, public subnets, VPN subnets you can design any way you want. Route Tables Internet Gateways Elastic IP's Endpoints NAT Gateways Peering Connections Network ACL's Security Groups VPN VPC Charactersistics AWS reservers 5 IP addresses per subnet (First 4 and last 1) Reservers for manag