Provides direct physical connection between on-premise network and Google’s network
Allows to transfer large amounts of data between networks and is much more cost effective that purchasing bandwidth over the public network

Dedicated
Direct connection between on-premises and google network using co-location facility Supports speeds between 10-200 Gbps

Partner
Direct connection between on-premises and google network using an trusted third-party Supports speed between 50 Mbps - 10 Gbps

Co-location Facility

It is a data center where equipment, space and bandwidth are available for rental to retail customers
It is also called as carrier hotels