[asterisk-users] Asterisk in VM.

[Bill Michaelson]

My experience is very limited, but you asked for any perspective, so...

I put an Asterisk with freePBX on a linode server (linode.com), just to 
play with it a few months ago.  I can say that it worked to the point of 
being able to dial out with my Polycom phone on a FiOS connection, 
through the * box, and a SIP termination service like Vitelity, and to 
receive calls in the other direction.  No problems with that, and kinda 
cool to be able to throw a virtual PBX out there with so little 
expense.  I did not stress test it, nor did I examine resource usage to 
gain perspective on scalability.  More of a proof of concept.

One issue that comes up with regard to this is about timing sources for 
MOH, etc.  Related to this and of general use to know, I believe one can 
associate PCI cards with particular VMs, but it's been a few months 
since I configured a Xen box of my own, so the details have already fled 
from my feeble brain...

But I hope that's helpful.

Alex Balashov wrote:

>Does anyone have any perspective on how well Asterisk performs and 
>scales inside a Xen hypervisor environment?

>Obviously, the answer depends largely on what sort of hardware it's 
>running on, whether it's in PAE mode, whether it's a newer CPU that has 
>some paravirtualisation instruction sets available to assist it, how 
>much memory is allocated to each VM, and other architectural 
>considerations.

>Any perspective would be helpful, however.


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