for me personally, I keep my astlinux as a phone system.. I have succesfully
mocked up the idea of multi-tenant "hosted" ..using 1 astlinux instance per
"hosted tenant".. I let the firewalls be the firewalls and the SBC's handle
any and all SIP traffic to the Host..
im not comfortable putting my public IP on a guest simply because that places
the NIC its connected to at a layer 2 level directly on the internet... even if
the host has no IP on it, the host is still aware of that NIC's existence..
security risk in my opinion...
KVM is my preferred hypervisor, though i have run astlinux in VMWare without
issues.. professional version of VMware offer more options for the high end
enterprise that would benefit guests like astlinux (giving them priority)..
in an SMB / SOHO environment I dont necessarily see the need for virtualization
simply because hardware costs are coming way down.. running VM's offers easier
portability for hardware failures.. and in a Large enterprise many benefits
come out of it..
I am overly protective of hardware resources so I may not be the right one to
discuss squeezing the most out of a server.. I have seen a linux server gone
Kernel Panic eat up a HUGE amount of resources.. (for some reason they peg the
CPU of the VM and run it up on the host)..
I have many non-astlinux (generic asterisk) servers out there.. close to 200
of them all on bare metal.. sizing from 50 lines to 2000.. Soekris to APU to
Atom to Xeon... as long as I dont get talked into buying massive servers from
the likes of dell, HP, etc , our hardware costs are low enough that it
mitigates the cost of Licensing for an enterprise hypervisor.. and ends up
costing less... hardware is more reliable now than it used to be... I cant
remember the last time we had a complete Box failure...
the other big issue in my world (hotels).. is that if we were to virtualize, we
would be doing so on the customer's server... then we are at the mercy of them
to not over-subscribe the hardware.... "hey are calls are breaking up.. this
phone system is crap!" are not service tickets we want to get...
-Christopher
From: Lonnie Abelbeck <li...@lonnie.abelbeck.com>
To: AstLinux Users Mailing List <astlinux-users@lists.sourceforge.net>
Sent: Wednesday, March 16, 2016 12:15 AM
Subject: [Astlinux-users] VM's for SOHO and SMB deployments
Brainstorming...
Time to time it is good to take a forest view of the landscape, so I would like
everyone reading this to offer their insights, brainstorming rules, no bad
ideas.
Background:
=========
It seems x86 platforms to run AstLinux has never been better, for example the
PC Engines new APU2 appears to be a great match, as well as Virtual Machine
solutions.
One recently released appliance is based on a Xen hypervisor - beroNet
Telephony Appliance 2.0
http://www.beronet.com/products/telephony-appliance/
Our new AstLinux 'genx86_64-vm' board type should work well with that beroNet
appliance, or alternatively an enterprising integrator could put Proxmox VE or
XenServer on Jetway's new Celeron J1900 based 4x NIC network appliance and
offer a similar solution. CPU support for Intel VT-x / AMD-v virtualization
is quite common anymore.
Questions:
========
1) When should AstLinux be bare-metal and when should it run as a guest VM ?
2) For SOHO and SMB deployments using VM's, what kind of guest VM's would run
along side AstLinux ? Would these be typically Windows Server situations that
would need more than a 2 GHz J1900 or are there other Linux based services that
could efficiently offer an office full of solutions ?
3) Would you trust your edge network router/firewall to be running as a guest
VM ? Possibly dependent on the deployment size ?
Please discuss...
Lonnie
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