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Answer: Create a transit gateway in each Region. Create VPN connections from the transit gateways to the on-premises firewall. Create a peering connection between the transit gateways.
To meet the company's requirements most cost-effectively, we need to consider both the current and future traffic requirements between the VPCs and the on-premises data center. Option A suggests using AWS Transit Gateway, which is designed to simplify network architecture and scale with the growth of the network. Transit Gateway allows for the connection of multiple VPCs and on-premises networks through a central hub, which can significantly reduce the complexity and cost of network management. By creating a transit gateway in each Region and establishing VPN connections from these gateways to the on-premises firewall, along with a peering connection between the transit gateways, the company can efficiently manage and scale its network traffic. This solution is scalable and can accommodate the expected increase in traffic between the VPCs. Options B, C, and D involve using virtual private gateways and VPN connections, which may not be as scalable or cost-effective for the expected increase in traffic between the VPCs. Therefore, Option A is the most cost-effective solution that meets the company's requirements.
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A company operates applications in two VPCs located in different AWS Regions: one in us-east-1 and the other in us-west-1. They need to establish connectivity between these VPCs and also connect both VPCs to applications hosted in an on-premises data center. The current traffic between the VPCs is 50 TB per month, with an expected increase in the future, while the traffic between the VPCs and the on-premises data center is 10 TB per month, with no expected growth. What is the MOST cost-effective solution to meet these requirements?
A
Create a transit gateway in each Region. Create VPN connections from the transit gateways to the on-premises firewall. Create a peering connection between the transit gateways.
B
Create a virtual private gateway in each Region. Create VPN connections from the on-premises firewall to the virtual private gateways. Configure the on-premises firewall to route the traffic between the two VPCs.
C
Create a virtual private gateway in each Region. Create VPN connections from the on-premises firewall to the virtual private gateways. Create a VPC peering connection between the two VPCs.
D
Create a virtual private gateway in each Region. Create VPN connections from the on-premises firewall to the virtual private gateways. Create a VPN connection between the virtual private gateways.
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