an interesting observation on network performence

From: Aryeh M. Friedman <aryeh.friedman_at_gmail.com>
Date: Tue, 23 Oct 2007 02:36:08 -0400
I get better network performance on XP running under qemu on 8-current.
(sorry don't have hard numbers but it roughly times better on p2p
apps).   Here is the config:

Host OS:

8-current
amd64
4gb ram

bridge0: flags=8843<UP,BROADCAST,RUNNING,SIMPLEX,MULTICAST> metric 0 mtu
1500
        ether 62:4e:c7:60:d0:a0
        id 00:00:00:00:00:00 priority 32768 hellotime 2 fwddelay 15
        maxage 20 holdcnt 6 proto rstp maxaddr 100 timeout 1200
        root id 00:00:00:00:00:00 priority 32768 ifcost 0 port 0
        member: tap0 flags=143<LEARNING,DISCOVER,AUTOEDGE,AUTOPTP>
        member: re0 flags=143<LEARNING,DISCOVER,AUTOEDGE,AUTOPTP>
tap0: flags=8943<UP,BROADCAST,RUNNING,PROMISC,SIMPLEX,MULTICAST> metric
0 mtu 1500
        ether 00:bd:43:f2:02:00
        inet6 fe80::2bd:43ff:fef2:200%tap0 prefixlen 64 scopeid 0x5
        Opened by PID 14839

sudo qemu -net nic -net tap -hda test -localtime -m 1024 -soundhw all

Host p2p program: deluge (latest)

Guest OS:

XP Pro SP2 (all updates as of 1/1/2007)

Guest p2p program: uTorrent 1.7
Received on Tue Oct 23 2007 - 04:47:24 UTC

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