[Freeswitch-users] Virtualized FreeSWITCH

[Michael Collins]

Chris,

This is good stuff! Would you be willing to compare this to what's on the
wiki and update the wiki as needed? I believe we have some EC2 information
on the wiki...

Thanks,
MC

On Wed, Mar 3, 2010 at 9:17 AM, Chris Fowler <chris at fowler.cc> wrote:

> Hi Rob,
>
> We run FreeSWITCH on AWS' EC2.  A medium EC2 instance is happily supporting
> 100 Polycom users, conference bridges etc.  Been running for over a year.
>  We also use FlowRoute as our PSTN->SIP Interface, and also Skype Business
> SIP.  Our users are scattered across the globe - so having the box sitting
> on AWS' network infrastructure is key to avoiding issues with latency,
> jitter, packet loss (i.e. I don't think we could afford the connectivity AWS
> gives us if we had to provision this in-house).
>
> There were no special tricks; you do need to modify/override the following
> with the box's Elastic IP (EIP).
>
> modify conf/vars.xml and update
>  <X-PRE-PROCESS cmd="set" data="domain=<YOUR DOMAIN HERE>"/>
>
>  <X-PRE-PROCESS cmd="set" data="default_provider=sip.flowroute.com"/>
>  <X-PRE-PROCESS cmd="set" data="default_provider_username=<USER>"/>
>  <X-PRE-PROCESS cmd="set" data="default_provider_password=<PASS>"/>
>  <X-PRE-PROCESS cmd="set" data="default_provider_from_domain=flowroute.com
> "/>
>  <X-PRE-PROCESS cmd="set" data="default_provider_register=true"/>
>
>  <X-PRE-PROCESS cmd="set" data="bind_server_ip=<AWS EIP>"/>
>  <X-PRE-PROCESS cmd="set" data="external_rtp_ip=<AWS EIP>"/>
>  <X-PRE-PROCESS cmd="set" data="external_sip_ip=<AWS EIP>"/>
>
>  <X-PRE-PROCESS cmd="set" data="outbound_caller_name=<YOUR NAME>"/>
>  <X-PRE-PROCESS cmd="set" data="outbound_caller_id=<YOUR CID>"/>
>
> conf/sip_profiles/internal.xml
>  <param name="aggressive-nat-detection" value="true"/>
>  <param name="multiple-registrations" value="true"/>
>  <param name="ext-rtp-ip" value="$${external_rtp_ip}"/>
>  <param name="ext-sip-ip" value="$${external_sip_ip}"/>
>  <param name="NDLB-received-in-nat-reg-contact" value="true"/>
>  <param name="NDLB-force-rport" value="true"/>
>  <param name="NDLB-broken-auth-hash" value="true"/>
>  <param name="enable-timer" value="false"/>
>
> conf/sip_profiles/external.xml
>  <param name="aggressive-nat-detection" value="true"/>
>  <param name="ext-rtp-ip" value="$${external_rtp_ip}"/>
>  <param name="ext-sip-ip" value="$${external_sip_ip}"/>
>  <param name="NDLB-force-rport" value="true"/>
>
> conf/autoload/switch.conf.xml
>    <param name="rtp-start-port" value="16384"/>
>    <param name="rtp-end-port" value="32768"/>
>
>
> Cheers, Chris.
> --
> RightScale, Inc.
>
>
>
> -----Original Message-----
> From: freeswitch-users-bounces at lists.freeswitch.org [mailto:
> freeswitch-users-bounces at lists.freeswitch.org] On Behalf Of Rob Forman
> Sent: Tuesday, March 02, 2010 9:05 PM
> To: freeswitch-users at lists.freeswitch.org
> Subject: [Freeswitch-users] Virtualized FreeSWITCH
>
> Hi all,
>
> Is anyone running FreeSWITCH virtualized (xen or vmware) in
> production?  I saw ec2 and xen mentioned a few places.  If so, are
> there tips or tricks for handle timer issues which affect virtual
> machines in general, such as recommended divider or clocksource
> settings?  I'm seeing funny timing issues while testing with audio
> recording and playback that speed up or slow down.
>
> I have tried both paravirt and hvm.  The default xen kernel has a
> timer of 250, so I tried to hvm instead using the stock 5.3 kernel
> with the 1khz timer but didn't see much improvement.
>
> All of this was tested on 64-bit CentOS 5.3.
> - Physical host: Linux localhost.localdomain 2.6.18-164.11.1.el5xen #1
> SMP Wed Jan 20 08:06:04 EST 2010 x86_64 x86_64 x86_64 GNU/Linux
>   CONFIG_HZ=250
> - Paravirt host: Linux localhost.localdomain 2.6.18-128.el5xen #1 SMP
> Wed Jan 21 11:12:42 EST 2009 x86_64 x86_64 x86_64 GNU/Linux
>   CONFIG_HZ=250
> - Hvm host: Linux localhost.localdomain 2.6.18-128.el5 #1 SMP Wed Jan
> 21 10:41:14 EST 2009 x86_64 x86_64 x86_64 GNU/Linux
>   CONFIG_HZ=1000
>
>
> I'm sure physical hosts are the de-facto best practice, but are
> virtual machines not worth it at all?
>
> Cheers,
> Rob
>
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