My company regularly needs to send about 2TB of data from the US to the UK (the size of the compressed delta is 2TB). Even though each side has good internet connectivity, sending files directly is too slow and unreliable. At 1MB/s, the transfer would take more than 20 days, if it completes without error.
As a result, the best solution found so far is to "ship the brick", ie. sending a hard drive by regular mail.
I was wondering if there exists any sort of service that offers better network connectivity across continents? I considered going through AWS S3, but their outbound transfer prices are quite expensive...
Note: the problem is not the software. We use rsync already. It works well and is robust. The problem is the speed and reliability of over-the-Atlantic internet connections. As an answerer said, a dedicated link is not in our budget. What I'm looking for is a cost-effective solution that would be a little more practical than shipping a disk.