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Difficulty: MediumConfiguring Hybrid Connectivity and VPN Interconnects

A global retail enterprise needs to establish hybrid network connectivity between its primary on-premises data center and a Google Cloud VPC network. The workload requires a sustained throughput of 15 Gbps, a 99.99% service availability SLA, and private connectivity that completely avoids the public internet. Which TWO actions must the network architect perform to meet these requirements?

  1. Provision two 10 Gbps Dedicated Interconnect connections in separate edge availability domains (metropolitan facilities).Answer
  2. Configure Cloud Routers in the target VPC region to establish dynamic BGP sessions with both on-premises routers.Answer
  3. C
    Provision multiple HA VPN tunnels over the public internet to aggregate total bandwidth up to 15 Gbps.
  4. D
    Establish VPC Network Peering directly between the on-premises network routers and the Google Cloud VPC.
  5. E
    Deploy VPC Service Controls perimeters to route hybrid network traffic directly to private Google APIs without Cloud Routers.

Answer

The network architect must provision two 10 Gbps Dedicated Interconnect connections across separate edge availability domains and configure Cloud Routers in the target VPC region to establish dynamic BGP sessions with the on-premises routers.
To support a 15 Gbps workload with a 99.99% SLA over a private connection, Google Cloud requires Dedicated Interconnect connections deployed across two distinct edge availability domains (metropolitan locations). Additionally, Cloud Routers must be deployed in the target VPC region to establish dynamic BGP sessions with on-premises routers for automatic failover and routing table updates.

Step-by-Step Solution

1
Analyze bandwidth and privacy requirements
Requirements specify 15 Gbps bandwidth, 99.99% availability SLA, and private link avoiding public internet.
15 Gbps exceeds HA VPN maximum capacities and requires Dedicated Interconnect.
2
Determine physical circuit layout for 99.99% SLA
Two Dedicated Interconnect circuits in two distinct edge availability domains are needed.
Google Cloud's 99.99% SLA topology requirement for Interconnect mandates redundancy across edge locations.
3
Configure dynamic routing layer
Deploy Cloud Routers to establish dynamic BGP peering over the VLAN attachments.
Dynamic BGP via Cloud Router manages route advertising, traffic balancing, and automatic failover across redundant links.

Key Concept

Configuring 99.99% HA Dedicated Interconnect with Dynamic BGP Routing
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Topics

Configuring Hybrid Connectivity and VPN Interconnects

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