The following performance testing was done by KeyLabs and summarizes the
throughtput differences between Solaris and NT. Take a look at:
http://www.checkpoint.com/products/technology/pdata_sol_nt.html
To summarize:
Solaris NT
Max Data Throughput 89.75 Mbps 29.62 Mbps
Max No of Concurrent Conn 23,000 9000
Max Connections per Sec 1774 863