How to copy files between two accounts in AWS.

If you have two accounts in AWS with one linux host in each - what options do you have to copy files (sftp) between the two hosts?
What would be the options? What would be the fastest? The least costly?
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amigan_99Network EngineerAsked:
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Prabhin MPEngineer-TechOPSCommented:
SFTP is the option to copy files between two host , doesn't matter whether it is in different account
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amigan_99Network EngineerAuthor Commented:
Thanks Prabhin. Perhaps I wasn't clear enough. My question is more one of routing of traffic than application for copying files.
For instance say that Account A has subnet 10.132.0.0/23 and Account B has subnet 10.132.2.0/32. Now host A at 10.132.0.10 want to communicate with host B at 10.132.2.10. What needs to be implemented so that host A can speak to host B for the purposes of copy files (say by SFTP)?
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Prabhin MPEngineer-TechOPSCommented:
As per the above scenario you explained , you need to do VPC peering . So the above condition will work. VPC peering can be done between two accounts as well. Here is the document how to do it

https://docs.aws.amazon.com/AWSCloudFormation/latest/UserGuide/peer-with-vpc-in-another-account.html
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amigan_99Network EngineerAuthor Commented:
Thanks Prabhin
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