AWS Transit Gateway
A networking service that enables users to connect multiple Amazon Virtual Private Clouds (VPCs) and on-premises networks through a central hub.
Description
AWS Transit Gateway acts as a central hub that simplifies the management of network connections within the Amazon Web Services (AWS) cloud. By using Transit Gateway, organizations can easily interconnect multiple VPCs, enabling seamless communication between them without the need for complex peering arrangements. This service also facilitates connectivity to on-premises networks via AWS Direct Connect or VPN, making it suitable for hybrid cloud architectures. Transit Gateway supports a wide range of use cases, including enabling multi-account architectures, optimizing data flow between applications, and enhancing security by consolidating network routing. Additionally, it provides a scalable and cost-effective solution, as it operates on a pay-as-you-go pricing model. With built-in features such as route tables, traffic filtering, and multicast support, AWS Transit Gateway helps organizations streamline their network configuration and management, ultimately improving operational efficiency and reducing overhead costs.
Examples
- A company uses AWS Transit Gateway to connect multiple VPCs across different AWS accounts for a unified application infrastructure.
- An enterprise leverages AWS Transit Gateway to establish a secure connection between its cloud resources and on-premises data center, ensuring seamless data flow.
Additional Information
- Supports up to 5,000 VPC attachments and 50,000 routes, allowing extensive scalability for large enterprises.
- Integrates with AWS services like Amazon CloudWatch for monitoring and AWS Identity and Access Management (IAM) for security controls.