- Routing
To determine where network traffic from your subnet or gateway is directed, use route tables.
- Endpoints and gateways
A gateway connects your virtual private network to another network. Use an internet gateway, for example, to connect your VPC to the internet. To connect to AWS services privately without the use of an internet gateway or NAT device, use a VPC endpoint.
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- Peering relationships
To route traffic between resources in two VPCs, use a VPC peering connection.
- Mirroring of Traffic
Network traffic should be copied from network interfaces and sent to security and monitoring appliances for deep packet inspection.
- Gateways of transit
To route traffic between your VPCs, VPN connections, and AWS Direct Connect connections, use a transit gateway, which acts as a central hub.
- Flow Logs for VPC
A flow log records data about IP traffic to and from network interfaces in your VPC.
- VPN connectivity
Using AWS Virtual Private Network, connect your VPCs to your on-premises networks (AWS VPN).
