The 6 Types of Gateways available in OCI
Internet Gateways NAT Gateways Service Gateways Dynamic Routing Gateways Local Peering Gateway Remote Peering Connection (DRG)
Internet Gateways
Let instances connect to the internet and receive connections from it
NAT Gateways
Let instances reach the Internet without receiving connections from it
Service Gateways
Let VCN hosts privately connect to object storage, bypassing the internet
Dynamic Routing Gateways
Make an OCI extend an on-premise network, with easy connectivity in both directions
Local Peering Gateway
Privately connect two VCNs in a region
Remote Peering Connection (DRG)
Privately connect two VCNs in different regions