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Zorluk: KolayDesigning Infrastructure for Technical Requirements and High Availability

An enterprise organization needs to connect its primary on-premises data center to a Google Cloud Virtual Private Cloud (VPC) network. The workload requires a sustained throughput of 15 Gbps with a high availability (HA) SLA of 99.99%. Which hybrid networking architecture should a Cloud Architect recommend to satisfy these requirements?

  1. Deploy redundant 10 Gbps Dedicated Interconnect circuits terminating in separate edge availability domains with Cloud Routers configured for dynamic BGP routing.Cevap
  2. B
    Configure an HA VPN gateway with multiple active-active IPsec VPN tunnels aggregated using ECMP routing over the public internet.
  3. C
    Establish a single Dedicated Interconnect connection to a transit VPC and rely on VPC Network Peering transitivity to reach all other target VPCs.
  4. D
    Deploy a Transfer Appliance to securely stream continuous network traffic between on-premises servers and Google Cloud Storage over encrypted public endpoints.

Cevap

Deploy redundant 10 Gbps Dedicated Interconnect circuits terminating in separate edge availability domains with Cloud Routers configured for dynamic BGP routing.
Providing a 99.99% SLA with 15 Gbps sustained bandwidth requires Dedicated Interconnect connections deployed across two separate edge availability domains with redundant Cloud Routers running BGP. This architecture satisfies both the strict throughput demands and high availability design guidelines.

Adım Adım Çözüm

1
Analyze bandwidth and connection requirements.
The requirement specifies sustained 15 Gbps traffic, exceeding single Cloud VPN tunnel capacity limits (3 Gbps per tunnel).
Dedicated Interconnect offers 10 Gbps or 100 Gbps pipe capacities, making it the appropriate choice for high-bandwidth traffic.
2
Evaluate high availability requirements for 99.99% SLA.
Google Cloud requires dual Dedicated Interconnect circuits terminating at two distinct edge availability domains (metros or locations) paired with redundant Cloud Routers.
Single-circuit topologies only support up to 99.9% availability, whereas production-critical 99.99% availability requires dual-facility redundant topologies.

Anahtar Kavram

Hybrid network architecture design for high availability and high throughput using Dedicated Interconnect.
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