AWS Acronyms
- VPC = Virtual Private Cloud
- VGW = Virtual Private Gateway
- EIGW = Egress Only Internet Gateway
- IAM = Identity and Access Management
VPC Hierarchy
A VPC Consists of the following hierarchy
- AWS
- Regions
- VPC
- Availability Zone
A VPC also contains
- Subnets
- Security Group
- Routing Table
- ACLs
- Internet Gateway
- NAT Gateways
- Egress Only Internet Gateways
- VPN Gateway
- VGW Gateway
- VPC Endpoint
- Palcement Groups
- Elastic Netwrok Interfaces
- DHCP,DNS
- VPC Flow Log
The network assigned to the VPC can be no larger /16 and cannot be modified once created. If modification is needed you must delete the VPC then recreate it.
Placement Groups to influence the placement of a group of interdependent instances to meet the needs of your workload. This can be 1 of 3 categories Cluster (low latency), Partition (do not share underlying hardware from other Partitions), Spread (don’t share hardware at all)
Remote Networks are not able to access VPC endpoints, this is related to transitive routing, which is not supported
