AWS Transit Gateway – Intra Region Peering
AWS Transit Gateway now allows you to peer two transit gateways within a single region. Previously you were only able to peer two transit gateways in separate regions. And what this does is it opens the door for a lot of new network architectures and this is going to unblock a lot of larger enterprises that are looking for more flexibility as they adopt the cloud.
A good example of such an architecture would be if a customer has a non-production and a production environment. Obviously they would want to be very much isolated from one another.
However, within a non-prod environment you might have two or more development environments that need to be able to have connectivity back and forth. So now AWS makes it a lot easier to accomplish that. You can manage the setup with AWS Resource Access Manager and AWS Transit Gateway Network Manager now offers API calls. It allows you to build your route analysis a lot more easily and actually see who’s going where in your infrastructure and get that overview of your network topology.
VPC traffic mirroring is also now available. You can send your VPC mirror traffic to gateway load balancer endpoints, whereas before you were required to send them to directly to an Amazon EC2, an Elastic Network Interface (ENI) or a network load balancer, opening more possibilities for customers looking to use their own security appliances to analyze traffic.
Recently AWS announced that AWS Transit Gateway Connect, which is their SD-WAN extension, is now available in more regions. What this does is, there’s a big push within the industry for customers to move towards SD-WAN versus something like a traditional MPLS-WAN. And this just allows them to extend that SD-WAN right into AWS, providing great cost savings, higher performance & more functionality than they had access to before.
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