AWS provides its services to millions of customers and thousands of SAP customers. Today, one of the key challenges that customers face is network security while data is transferred over the internet. Although data is encrypted and various network protocols are developed today to reduce the surface area that can be exploited by attackers, it is still a risk since the tools available to hackers get advanced every single day as well. 

Another mechanism by which this risk is totally eliminated is to avoid exposure to the internet altogether for specific use cases and rely on a trusted AWS backbone network for all data transfers. Traditionally, this is achieved by creating VPCs in AWS and establishing VPC peering, which allows non-overlapping private network ranges to be able to communicate with each other. Another available feature was VPC endpoints. This basically provides a mechanism to connect to AWS services, like S3 object storage, without requiring the customer to communicate over the internet. 

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