Amazon VPC now allows customers to route inbound internet traffic destined for large pools of public IP addresses, to a single elastic network interface (ENI) within a VPC.
Prior to this enhancement, internet gateways only accepted traffic destined to public IP addresses that were associated with network interfaces in the VPC. There are limits to the number of IP addresses that can be associated with network interfaces. These limits depend on the instance type and can be found in our documentation. There are use cases in Telco, Internet of Things (IoT) and other industries that require customers to route inbound traffic destined for public IP pools, larger than the allowed limits, to a single network interface. Customers would earlier perform address translation to consolidate traffic for such large number of IP addresses. This enhancement removes the need to perform address translation on inbound internet connections for these Telco and IoT use cases. Customers can bring their own public IP pools (BYOIP documentation) and configure their VPC Internet Gateway to accept traffic belonging to this BYOIP pool and route it to a network interface. They can also use this feature with VPC Route Server and dynamically update their routes in events of failure. Refer to our public documentation for details on VPC Route Server.
This enhancement is now available across all AWS commercial, AWS China and GovCloud regions. To learn more about this feature, please refer to our documentation.
Categories: marketing:marchitecture/networking-and-content-delivery,general:products/amazon-virtual-private-cloud,general:products/amazon-vpc
Source: Amazon Web Services
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