Solaris: High performance scp
High performance scp
To copy a large file (1GB or more) over from one server to another use:
scp -c arcfour target username@server:/destination
this significant increases the transfer speed by at least 30%
For a little explanation:
http://web.archive.org/web/20120514155629/http://www.psc.edu/networking/projects/hpn-ssh/theory.php
This option is compiled to most of the ported scp.