This just totally blows away so many things I thought I 'knew' about virtual
machines.

I gotta go get me another Linux box to play with.

Jim

--
Jim Van Meggelen
[EMAIL PROTECTED]
http://www.oreillynet.com/pub/au/2177

"A child is the ultimate startup, and I have three. 
This makes me rich."
                    Guy Kawasaki
--


> -----Original Message-----
> From: Matthew Mackes [mailto:[EMAIL PROTECTED] 
> Sent: November 10, 2007 8:55 PM
> To: Reza - Asterisk Enthusiast
> Cc: 'Asterisk Mailing'
> Subject: Re: [on-asterisk] Running under Virtual PC.,,
> 
> 
> Hey Everyone,
> 
> 
> I have my home Asterisk (Rpath, poundkey) running in a VMware 
> Server environment, hosted on CentOS, with three other VMs. 
> (My IPCOP Firewall,  a Fileserver, and SSL Explorer) All 4 
> VM's run nicely on a P4D with 2GB of RAM. I have disabled X 
> on the Host, and My Host only shows about 10% usage at peek. 
> Idle it shows almost none, and when I am only placing calls 
> (no other VM's in use) the pound key VM shows 5% and the host 
> shows less.
> 
> I have 4 Cisco 7960's registered, and Sipphone, FWD, 
> Sipbroker, my office (via IAX) and Vitelity  all registered 
> for trunking, and 2 ATAs for POTS.
> 
> All accounts and devices stay registered, and work without issue.
> 
> I think its important to remember that unless you are 
> transcoding between codecs your Asterisk server doesn't do a 
> whole lot. If you stay ULaw for example on all of your 
> devices, Asterisk really is just directing traffic. 
> 
> However, and I cannot stress this enough, MS Windows is a 
> poor VMServer platform when it comes to resource usage. 
> Vmware and Virtual PC are forced to fight the Windows Host OS 
> for resources.
> 
> 
> Matt
> 
> 
> 
> 
> Reza - Asterisk Enthusiast wrote: 
> 
>       Remzi:
>       
>       Can you share with us your Hardware Specs for the 
> benchmark you provided?
>       
>       Thanks!
>       Reza.
>       
>       ----- Original Message ----- 
>       From: "Remzi Semsettin Turer" <[EMAIL PROTECTED]> 
> <mailto:[EMAIL PROTECTED]> 
>       To: "'Asterisk Mailing'" <[email protected]> 
> <mailto:[email protected]> 
>       Sent: Saturday, November 10, 2007 4:06 PM
>       Subject: RE: [on-asterisk] Running under Virtual PC.,,
>       
>       
>       We are running on two virtual servers, one on Xen, one 
> on VMWare ESX, both 
>       have perfect sound quality. We don't have any hardware 
> cards, pure SIP, and 
>       had used different codecs, including g711, g723 and 
> g729 with no issues. We 
>       have around 10 people concurrently using the system.
>       
>       With that said, Jim you have a point, Windows is not 
> the best host for 
>       virtualization. Both our environments are based on Linux.
>       
>       -----Original Message-----
>       From: Jim Van Meggelen [mailto:[EMAIL PROTECTED]
>       Sent: Saturday, November 10, 2007 10:53 AM
>       To: 'Asterisk Mailing'
>       Subject: RE: [on-asterisk] Running under Virtual PC.,,
>       
>       What you are proposing might work as a development 
> system (I'll admit that I
>       have not used Virtual PC, but I use VMWare 
> extensively), but regardless, you
>       would not want to put such a system into production. 
> Asterisk requires
>       priority access to the CPU, and as such, it is hard to 
> imagine any kind of
>       virtual machine being able to run it in a manner that 
> delivered proper sound
>       quality. The Asterisk software will actually run 
> well-enough, but the sound
>       quality is going to be poor, even on a powerful system 
> with the Virtual
>       machine running at high priority. Even if it could be 
> tuned to deliver
>       proper sound quality, you would still never be able to 
> predict when some
>       windows background task would steal a bunch of 
> resources. Windows likes to
>       go off and do its own thing, and when it decides to 
> perform some background
>       task, it is quite capable of hogging resources such 
> that your asterisk
>       system will deliver terrible sound quality.
>       
>       If you want a low-cost platform on which to run a small 
> asterisk system,
>       look to something like the Linksys WRT54GL (OpenWRT). 
> If you need FXO, grab
>       something like a Linksys SPA3001. You'll be able to run 
> a phone or two on
>       that with no problems.
>       
>       Virtual machines are awesome for development; asterisk 
> runs perfectly.
>       Unfortunately, the sound quality is generally terrible. 
> Not such a problem
>       in the lab, but a show-stopper in production.
>       
>       Jim
>       
>       --
>       Jim Van Meggelen
>       [EMAIL PROTECTED]
>       http://www.oreillynet.com/pub/au/2177
>       
>       "A child is the ultimate startup, and I have three.
>       This makes me rich."
>                           Guy Kawasaki
>       --
>       
>       
>       
>       
>       
>         
> 
>               -----Original Message-----
>               From: Thomas Keats [mailto:[EMAIL PROTECTED]
>               Sent: November 10, 2007 10:10 AM
>               To: Asterisk Mailing
>               Subject: [on-asterisk] Running under Virtual PC.,,
>               
>               I have just upgraded to a new system, and 
> managed to get high
>               speed in the country (Hello WiMax), with that I am
>               experimenting with Microsoft Virtual PC.
>               
>               I like what I've seen so far and want to reduce desktop
>               clutter, and floor clutter by combining most, 
> if not all PC's
>               into one unit.  Has anyone had any experience running
>               asterisk under Linux in a Virtual PC environment?
>               
>               Windows Vista Ulitmate, with Virtual PC 2007.
>               Generic X100P (I think) PBX card.
>               2 GIG Ram, soon to be upgraded, with 250 GB 
> SATA3 Seagate...
>               Slackware 10
>               Asterisk 1.4(?)
>               
>               Any suggestions would be appreciated.
>               
>               THANKS!
>               
>               
>               
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>                   
> 
>       
>       
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>         
> 
> 
> 
> --
> Matthew Mackes
> Network Administrator
> [EMAIL PROTECTED]
> Delta Sonic Car Wash Systems, Corporate Headquarters Buffalo, New York
> 

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