ULE + PREEMPTION for non SMP
no major differences with SMP with ULE/4BSD and preemption ON/OFF
32 bit UP test coming up with new cpu
and I'm installing dragonfly sometime this weekend :]
UP: 1mpps in one direction with no firewall/no routing table is not too
bad, but 1mpps both directions is the goal here
700kpps with full bgp table in one direction is not too bad
Ipfw needs a lot of work, barely gets 500kpps with no routing table with
a few ipfw rules loaded.. that's horrible
Linux barely takes a hit when you start loading iptables rules , but
then again linux has a HUGE problem with routing
random packet sources/ports .. grr
My problem Is I need some box to do fast routing and some to do
firewall.. :/
I'll have 32 bit 7-stable UP test with ipfw/routing table and then move
on to dragonfly.
I'll post the dragonfly results here as well as sign up for their
mailing list.
Bart Van Kerckhove wrote:
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Paul / Ingo,
I tried all of this :/ still, 256/512 descriptors seem to work the
best. Happy to let you log into the machine and fiddle around if you
want :)
I've been watching this thread closely, since I'm in a very similair
situation.
A few questions/remarks:
Does ULE provide better performance than 4BSD for forwarding?
Did you try freebsd4 as well? This thread had a report about that quite
opposite to my own experiences, -4 seemed to be a lot faster at forwarding
than anything else I 've tried so far.
Obviously the thing I'm interested in is IMIX - and 64byte packets.
Does anyone have any benchmarks for DragonFly? I asked around on IRC, but
that nor google turned up any useful results.
<snip>
I don't think you will be able to route 64byte packets at 1gbit
wirespeed (2Mpps) with a current x86 platform.
Are there actual hardware related reasons this should not be possible, or
is this purely lack of dedicated work towards this goal?
<snip>
Theres a "sun" used at quagga dev as bgp-route-server.
http://quagga.net/route-server.php
(but they don't answered my question regarding fw-performance).
the Quagga guys are running a sun T1000 (niagara 1) route server - I happen
to have the machine in my racks,
please let me know if you want to run some tests on it, I'm sure they won't
mind ;-)
It should also make a great testbed for SMP performance testing imho (and
they're pretty cheap these days)
Also, feel free to use me as a relay for your questions, they're not always
very reachable.
<snap>
Perhaps you have some better luck at some different hardware systems
(ppc, mips, ..?) or use freebsd only for routing-table-updates and
special network-cards (netfpga) for real routing.
The netfpga site seems more or less dead - is this project still alive?
It does look like a very interesting idea, even though it's currently quite
linux-centric (and according to docs doesn't have VLAN nor ip6 support, the
former being quite a dealbreaker)
Paul: I'm looking forward to the C2D 32bit benchmarks (maybe throw in a
freebsd4 and/or dragonfly bench if you can..) - appreciate the lots of
information you are providing us :)
Met vriendelijke groet / With kind regards,
Bart Van Kerckhove
http://friet.net/pgp.txt
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