Question
We are planning to connect HULFT Square with our own Amazon S3.
In that case, is the communication route between HULFT Square and S3 through the Internet?
If so, is PrivateLink required if we want to communicate without going through the Internet?
Answer
As a general rule, communication with the S3 connector does not go through the Internet.
Also, the S3 connector does not support PrivateLink connections, so there is no need to build a PrivateLink.
The communication path between HULFT Square and S3 using the S3 Connector is HTTPS communication via the AWS network.
General HTTPS communication is via the Internet, but for communication between AWS hosted instances and services (including S3) with public IP address designation, all communication will take place within the AWS network.
Amazon VPC FAQs
https://aws.amazon.com/vpc/faqs/
Q. Does traffic go over the internet when two instances communicate using public IP addresses, or when instances communicate with a public AWS service endpoint?No. When using public IP addresses, all communication between instances and services hosted in AWS use AWS's private network. Packets that originate from the AWS network with a destination on the AWS network stay on the AWS global network, except traffic to or from AWS China Regions.
Since HULFT Square is running on AWS, all HTTPS communication via the S3 Connector is also done within the AWS network without going through the Internet.
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