[asterisk-biz] Re: VMWare

[Greg Boehnlein]

On Tue, 18 Jul 2006, James Oakley wrote:

> On Monday 17 July 2006 11:23 pm, Greg Boehnlein wrote:
> > On Mon, 17 Jul 2006, Matthew Rubenstein wrote:
> > > 	Can Asterisk be configured so the paths through it which require the
> > > timing accuracy of the real CPU get those, while the rest of the server
> > > can be embedded in a scalable VMWare fabric?
> >
> > Perhaps you could tune the living crap out of Vmware's ESX kernel to do
> > that, but at $6,000 / server I doubt this is within most people's reach.
> > Also, the clock on all Vmware products is emulated, not based on a
> > real-time clock, so most all real-time applications fail to work reliably
> > on Vmware.
> 
> I've heard of people running Asterisk successfully under Xen, which is 
> fundamentally different than Vmware, and is free. I haven't done it myself, 
> but I plan to in the near future.
> 
> Here's some benchmarks:
> 
> http://www.cl.cam.ac.uk/Research/SRG/netos/xen/performance.html

Xen can have better performance, but it will still suffer from the same 
issues of clock granularity, as well as a lack of Zaptel access.

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