Google's Cloud Interconnect makes it possible for you to connect your on-premises network directly to your VPC without traversing the public internet. This feature also provides RFC 1918 communication, making it possible to access internal private IPs directly across both networks. There are two ways you can consume cloud interconnect, Google Cloud Interconnect - Dedicated and Google Cloud Interconnect - Partner. The dedicated interconnect provides a direct physical connection between your on-premises network and Google's network while the partner interconnect provides connectivity between your network and Google's network through a service provider partner. The logo for Google's Cloud Interconnect looks like this:

Cloud interconnect is typically more efficient than having your traffic travel over the public internet. Because the connection...