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by rapier1 4282 days ago
The main problem is that the internal buffer size for OpenSSH is limited to 2MB (actually it's closer to 1.25MB in real world terms). This is pretty good for a lot of home users. However, HPN-SSH was written for the HPC communuity where we have have BDPs of well more than that (8MB is not uncommon). So if you have a BDP of more than 2MB HPN-SSH is still going to be a win for you.