A media company needs to transfer 4 TB of video files from its on-premises data center to a private Cloud Storage bucket in the us-central1 VPC every night. Transfers must complete within 12 hours, traverse only Google's private backbone (no public internet exposure), and provide at least 99.9 % availability. The networking team must have the solution in production within 30 days and wants to minimize new on-premises hardware purchases. Which connectivity option best meets these requirements?
Order two 10-Gbps Dedicated Interconnect circuits in a single colocation facility.
Configure HA VPN with two tunnels over redundant ISP links.
Provision Partner Interconnect with two 2-Gbps (or larger) VLAN attachments from separate edge availability domains.
Create VPC Network Peering between the data center router and the VPC network.
Partner Interconnect lets you reach Google's private network through a service provider, so traffic never crosses the public internet. Ordering two separate VLAN attachments (each 2 Gbps or higher) through different availability zones or partners gives aggregate bandwidth of ≥4 Gbps-enough to move 4 TB in 12 hours-and meets the 99.9 % SLA when attachments are redundant. Lead times are typically shorter than Dedicated Interconnect and require only an existing router with Ethernet hand-off, keeping on-premises hardware minimal.
HA VPN is excluded because it runs over the public internet.
Dedicated Interconnect meets the technical goals but often exceeds 30 days to provision and involves higher cost and hardware (cross-connects, optics).
VPC Network Peering is only for Google Cloud projects; it cannot connect an on-premises network to a VPC.
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GCP Associate Cloud Engineer
Planning and implementing a cloud solution
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