[asterisk-biz] Re: VMWare

[Greg Boehnlein]

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.

> That kind of allocation
> strategy is appropriate to the scaling demands: the real servers are
> typically in linear proportion to the trunks and extensions, while
> virtual application servers and gateways to other networks/servers/apps
> scale nonlinearly/unpredictably, so benefit from virtualization. Or is
> Asterisk too monolithic to cluster at that granularity?

Asterisk is most likely far to monolithic to be able to do that.
 
> 
> On Mon, 2006-07-17 at 15:44 -0700, Erick Baum wrote:
> > Maybe the new server product doesn't have this problem.  But my issue
> > with VMware'ing Asterisk has always been a timing problem and you end
> > up with choppy audio.  Is there a fix to this, or does the new free
> > server not have this problem?
> >  
> > Erick
> > 
> >  
> > On 7/17/06, Matthew Rubenstein <email at mattruby.com> wrote: 
> >         On Mon, 2006-07-17 at 08:41 -0400, Warren (mailing lists)
> >         wrote:
> >         > Bob Smith wrote:
> >         > [-snip-] 
> >         >
> >         > > vmware is bad ,
> >         >
> >         > What do you use as your proof of this?  I use vmware all
> >         over the place.
> >         >  It is a great way to virtualize dozens of discreet servers
> >         onto just a
> >         > few physical servers.  Plus, with the server product now out
> >         of beta and 
> >         > totally free (as in beer) it is a great way to prototype and
> >         deploy
> >         > systems, especially ones that have programs that do not work
> >         and play
> >         > well with others.
> >         >
> >         > W
> >         
> >                Actually, VMWare is generally good, one reason why it's
> >         so popular. Is 
> >         anyone running Asterisk in a VMWare cluster that's working
> >         well when
> >         pausing instances and sending them across the LAN? Across a
> >         WAN? Using
> >         nothing but SIP, or using ZAP HW?
> >         
> >         
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> >         --
> >         
> >         (C) Matthew Rubenstein
> >         
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> 

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