[Bug 105] scp protocol 2 over a hippi interface takes 6 times longer

[bugzilla-daemon at mindrot.org]

http://bugzilla.mindrot.org/show_bug.cgi?id=105





------- Additional Comments From pas50 at cam.ac.uk  2002-02-12 04:08 -------
time `cat lapack.ibm.tar.gz | ssh -2 -c blowfish-cbc hodgkin  'cat > f2' `
2.6u 0.6s 0:06 46% 736+532k 0+0io 0pf+0w
Yep much faster but still not more than half the time in the cpu.

Yep packet size is a function of these values
#define CHAN_SES_PACKET_DEFAULT (CHAN_SES_WINDOW_DEFAULT/2)
#define CHAN_TCP_PACKET_DEFAULT (CHAN_TCP_WINDOW_DEFAULT/2)

The networks I saw the problem on hippi and IBM sp switch both have a MTU of 64k
so I wanted these values to be atleast 128 and went for 256 to be sure. 



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