When we need to connect one VPC to other VPCs that we have created inside our environment, we can use VPC peering connections. A VPC peering connection is a networking connection between two VPCs that enables you to route traffic between them privately and have the ability to connect instances in private subnets within separate VPCs to communicate directly. AWS provides the ability to create VPC peering connections between our own VPCs or with a VPC in another AWS account. The VPC peering connections can be established within or across different AWS Regions. AWS uses existing, scalable network technologies with no single point of failure to enable VPC peering. When enabling VPC peering between regions, AWS will take care of the VPN connection between the locations and maintain redundant pathways for the traffic. Since the traffic between regions will pass...
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