On Mon, Sep 7, 2009 at 4:19 PM, Benny Amorsen <benny+use...@amorsen.dk<benny%2buse...@amorsen.dk> > wrote:
> "Olle E. Johansson" <o...@edvina.net> writes: > > > Imaging my surprise this Monday when I installed a plain old Asterisk > > 1.4 on a new HP server, a DL380 G6, and could run in circles around > > the old IBM servers. > > The G6 series is pure magic for everything I've let it touch > network-wise. > > I have three guesses as to why: > > 1) Lots and lots of bandwidth between CPU and I/O, plus built-in memory > controller so any packet copying runs wicked fast. > > 2) MSI-X seems to really help, at least when combined with modern > ethernet chipsets (the original PRO/1000 is looking a bit dated now, but > more modern PRO/1000 should still be a good choice). > > 3) Multi-queue NIC. This should REALLY help when you have lots of cores > and CPU threads. Depends on fairly new kernels. > > I'm not sure which is the answer though. > > > /Benny > > Packets per second is going to be the eventual bottleneck no matter if it is Asterisk, FreeSwitch, or whatever. Using multiple switches will help but a backplane or interface. can only take so many PPS. http://en.wikipedia.org/wiki/Throughput
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