What is AWS Transit Gateway - Simplify Network

AWS Transit Gatway


AWS Transit Gateway connects VPCs and on-premises networks through a central hub. This simplifies your network and puts an end to complex peering relationships. It acts as a cloud router – each new connection is only made once.

As you expand globally, inter-Region peering connects AWS Transit Gateways together using the AWS global network. Your data is automatically encrypted, and never travels over the public internet. And, because of its central position, AWS Transit Gateway Network Manager has a unique view over your entire network, even connecting to Software-Defined Wide Area Network (SD-WAN) devices.


This has below important components:


1.    Transit Gateways - Name of your Transit Gateway

2.    Transit Gateway Attachment - You need to attach your options like VPC, VPN, Direct Connect and peering Connections as attachment to your Transit Gateway.

3.     Transit Gateway Route Tables - Here you can setup your route for Transit Gateway Components.

4.      Transit Gateway Multicast

5.      Network Manager



Simplify your network

Without AWS Transit Gateway

Without using AWS Transit Gateway

Complexity increases with scale. You must maintain routing tables within each VPC and connect to each onsite location using separate network gateways.



With AWS Transit Gateway

With AWS Transit Gateway

Your network is streamlined and scalable. AWS Transit Gateway routes all traffic to and from each VPC or VPN, and you have one place to manage and monitor it all.

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