Discover how to optimize your AWS connectivity by leveraging Direct Connect, Transit VIFs, and Regional Transit Gateways. Learn how this setup can reduce costs, increase bandwidth, and provide a consistent network experience.
Table of Contents
Question
A company needs to establish a connection from its on-premises data center to AWS. The company needs to connect all of its VPCs that are located in different AWS Regions with transitive routing capabilities between VPC networks. The company also must reduce network outbound traffic costs, increase bandwidth throughput, and provide a consistent network experience for end users.
Which solution will meet these requirements?
A. Create an AWS Site-to-Site VPN connection between the on-premises data center and a new central VPC. Create VPC peering connections that initiate from the central VPC to all other VPCs.
B. Create an AWS Direct Connect connection between the on-premises data center and AWS. Provision a transit VIF, and connect it to a Direct Connect gateway. Connect the Direct Connect gateway to all the other VPCs by using a transit gateway in each Region.
C. Create an AWS Site-to-Site VPN connection between the on-premises data center and a new central VPUse a transit gateway with dynamic routing. Connect the transit gateway to all other VPCs.
D. Create an AWS Direct Connect connection between the on-premises data center and AWS. Establish an AWS Site-to-Site VPN connection between all VPCs in each Region. Create VPC peering connections that initiate from the central VPC to all other VPCs.
Answer
B. Create an AWS Direct Connect connection between the on-premises data center and AWS. Provision a transit VIF, and connect it to a Direct Connect gateway. Connect the Direct Connect gateway to all the other VPCs by using a transit gateway in each Region.
Explanation
Creating an AWS Direct Connect connection between the on-premises data center and AWS will provide a dedicated, private network connection from the on-premises data center to AWS, which can reduce network costs, increase bandwidth throughput, and provide a more consistent network experience than internet-based connections.
Provisioning a transit Virtual Interface (VIF) and connecting it to a Direct Connect gateway will allow the company to connect to multiple VPCs across different AWS Regions. This setup will enable transitive routing capabilities between VPC networks, which is a requirement in this scenario.
Connecting the Direct Connect gateway to all the other VPCs by using a transit gateway in each Region will allow the company to manage all its inter-VPC traffic centrally, which can simplify network management and reduce costs.
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