Direct Connect Gateway
Direct Connect Gateway allows you to connect your on-premises networks to multiple Virtual Private Clouds (VPCs) across different AWS Regions using a single Direct Connect connection. This way, you can access resources in multiple VPCs without the need for multiple Direct Connect connections or VPC peering. Direct Connect Gateway is a global service, which simplifies multi-region connectivity management and provides a cost-effective solution for your hybrid cloud architectures.
Guide: AWS Direct Connect Gateway
A AWS Direct Connect Gateway is an essential aspect of the AWS Solution Architect platform. It is essentially a multi-region, global gateway that allows you to access multiple AWS regions and networks globally while routing all traffic through your AWS Direct Connect connection.
Importance: The Direct Connect Gateway enhances the flexibility and scalability of your networks and keeps your data secure by providing private connectivity between the AWS Cloud and your on-premise networks.
How it works: Once you create a Direct Connect Gateway, you associate it with a Virtual Private Gateway and then further associate it with your Direct Connect connection. This allows your network to communicate with multiple Virtual Private Clouds in multiple AWS regions.
Exam Tips: Answering Questions on Direct Connect Gateway:
- Understand the purpose and functionality of the Direct Connect Gateway and how it fits into the AWS ecosystem.
- Differentiate Direct Connect from Direct Connect Gateway. The former involves a physical connection between your network and AWS, while the latter allows for connections with multiple VPCs across various regions.
- Remember that Direct Connect routes are determined based on BGP routing rules.
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