Networking & Content Delivery
Tag: AWS Transit Gateway
How to integrate third-party firewall appliances into an AWS environment
Update October 11, 2020 – While the implementations described in this post remain valid, it was written before Gateway Load Balancer became available. Gateway Load Balancer is designed specifically for adding firewalls and other virtual network appliances to your AWS network. If you would like to learn more, Introducing AWS Gateway Load Balancer: supported architecture […]
Automating AWS Transit Gateway attachments to a transit gateway in a central account
As IT environments grow, they can become more complex, with additional accounts, VPCs, and the networking between them. AWS Transit Gateway is a service that addresses networking complexity by building a hub-and-spoke network to simplify your network routing and security. With Transit Gateway, you can connect your Virtual Private Clouds (VPCs) that span multiple accounts […]
Creating a single internet exit point from multiple VPCs Using AWS Transit Gateway
In this post, we show you how to centralize outbound internet traffic from many VPCs without compromising VPC isolation. Using AWS Transit Gateway, you can configure a single VPC with multiple NAT gateways to consolidate outbound traffic for numerous VPCs. At the same time, you can use multiple route tables within the transit gateway to […]
Integrating AWS Transit Gateway with AWS PrivateLink and Amazon Route 53 Resolver
An update was made on October 6, 2025: With the availability of Amazon Route 53 Profiles, the below design approach can be greatly simplified and is no longer recommended. Instead we recommend to use of this new capability, as outlined in the blog post “Streamlining multi-VPC DNS management with Amazon Route 53 Profiles and interface […]
Centralized DNS management of hybrid cloud with Amazon Route 53 and AWS Transit Gateway
A successful hybrid networking strategy goes beyond private network connectivity. It often requires dealing with independent internal zones both in Amazon Virtual Private Cloud (Amazon VPC) and on-premises. Such a strategy needs Domain Name System (DNS) naming that spans the entire network. Typically, this is managed by providing name resolution services in the same place […]
Migrate from Transit VPC to AWS Transit Gateway
Amazon Virtual Private Cloud (Amazon VPC) provides you with the ability to create as many virtual networks as you need. It also provides different options for connecting these networks to each other and to non-AWS infrastructure, such as on-premises data centers, remote headquarters, or other offices. Most of you start this journey with a few […]