[Freeswitch-users] mod_skypopen - performence and capacity.

Tue Sep 14 03:39:18 PDT 2010

Hello Experts,

Thanks, its clear for the EC2 platform. Technically and theoretically isn't
this valid, for co-location or laboratory test (no EC2 platform)? Or will be
a Disaster in final result?

*Step 1: load core calculation*

1 EC2 = 2 Core = 20 Skype instance, where  as
5 EC2 = 5 x 2 = 10 Core = 100 Skype instance

*Step 2: load Hardware*

A. Xeon® X5650 2.66 GHz clock speed has 6 Core with 1 socket

B. Mother board with 2 socket capacity, to hold 12 core

C. Each cpu 8GB RAM or More

D. Physically 12 Core is ready with all Memory

*Step 3: load FreeSwitch*

a. NOTE: 1 instance of FreeSwitch running

b. 100 instance of skype loaded using mod_skypopen

*Will it work or die?* According to concept it should work, because we
split-ted CPU and RAM to have skype instance there desire processing space.

Lets assume at least in technical / theoretical page ( based on correct
calculation, we can make a test case either with EC2 or Physical hardware,
as a research project, how things works ).

On Sat, Sep 11, 2010 at 2:55 AM, Seven Du <dujinfang at gmail.com> wrote:

> You must run skypes and at least one FS instance on one EC2 instance,
> depending on the performance, you could run 1 FS + (1 upto 64 or
> perhaps 128) skype instances on 1 EC2. But note that if one skype
> instance crashes it may cause the entire FS/skype unstable(although
> there are tricks and solutions), so, instead of 1FS+128skypes per EC2,
> you might want, say, (1FS+24Skype) * 5EC2. As giovanni said, you
> should try with real world test to find out the best combination.
>
> On Sat, Sep 11, 2010 at 12:27 AM, Shamun toha md <shamun.toha at gmail.com>
> wrote:
> > Today i talked with Amazon EC2, they have 8 Core Cpu (can grow even more
> > then that), 68 GB RAM( can grow more), Bandwidth ( can do anything) so
> there
> > is no issue which still saying no you can not do this because of that.
> The
> > answer is still yes even with correct hardware tune.
> >
> > We can pay what we will use for (that's another issue as a technical
> point
> > of view). But for Skype, which one should i take?
> >
> > if i want to run 20 or 100 skype duplicate accounts for Amazon EC2, do i
> > need 100 skype instance + FreeSwitch instance = 101 total instance with
> > Amazon EC2? How do we use the mod_skypopen in terms of instances for
> cloud
> > servers, is that counted as 1 instance?
> >
> > ex: http://calculator.s3.amazonaws.com/calc5.html
> >
> >
> > Thanks & Regards
> >
> >
> >
> >
> >
> > On Fri, Sep 10, 2010 at 5:10 PM, Giovanni Maruzzelli <
> gmaruzz at celliax.org>
> > wrote:
> >>
> >> I would highly doubt of your reasoning. You have to make real actual
> >> tests, and not base predictions on simple arithmetics. But this is
> >> just my opinion.
> >>
> >> -giovanni
> >>
> >> On Fri, Sep 10, 2010 at 4:55 PM, Shamun toha md <shamun.toha at gmail.com>
> >> wrote:
> >> > Hello,
> >> >
> >> > Thanks, we can always consult with more experts from FS, that is must.
> >> > But
> >> > just consulting here for one assumption before opening a final ticket.
> >> >
> >> > Can we not just use CentOS 5.5. And then take a hardware like
> following:
> >> >
> >> > 1. CPU 6 core or 8 core or 12 core:
> >> > -
> >> >
> >> >
> http://accessories.us.dell.com/sna/products/Processors/productdetail.aspx?c=us&l=en&s=bsd&cs=04&sku=317-4155
> >> >
> >> > 2. Mother board: To have 12 x 4 times = 48 Core
> >> > -
> >> >
> >> >
> http://www.supermicro.com/products/motherboard/Xeon7000/7500/X8QB6.cfm?SAS=Y
> >> >
> >> > 3. 2 core each with reserved 4GB RAM
> >> >
> >> >
> >> > 2 core can handle 20 channels of skype instance. So, 48 Core / 2 = 24
> x
> >> > 20 =
> >> > 480 Skype channels possible. With power of hardware and proper
> >> > calculation
> >> > on this, bandwidth is not a problem, there are many backbone
> providers.
> >> >
> >> >
> >> > Am i right? Still its possible in theory? Please fix me if i am wrong,
> >> >
> >> > Thanks & Best regards
> >> >
> >> >
> >> > On Fri, Sep 10, 2010 at 4:10 PM, Giovanni Maruzzelli
> >> > <gmaruzz at celliax.org>
> >> > wrote:
> >> >>
> >> >> Shamun,
> >> >>
> >> >> from you mail seems that there are some details of mod_skypopen that
> >> >> you've not got.
> >> >>
> >> >> First of all I would counseil you to read *entirely* mod_skypopen
> wiki
> >> >> page, you will spare yourself lot of time and frustrations:
> >> >>
> http://wiki.freeswitch.org/wiki/Mod_skypopen_Skype_Endpoint_and_Trunk
> >> >>
> >> >> All the mod_skypopen knowledge available to humankind is in that
> page.
> >> >>
> >> >> T1 has 24 channels, so not much difference from 20 channels
> >> >> http://en.wikipedia.org/wiki/T-carrier
> >> >>
> >> >> mod_skypiax can work only on Linux or Windows, because it needs Skype
> >> >> clients running on the same machine where FS is running, and there
> are
> >> >> no Skype clients for *BSD or Solaris.
> >> >>
> >> >> After reading all of the wiki page, you should do your tests, because
> >> >> performances are very much dependant from the machine-kernel-os you
> >> >> use. Skypopen is most tested and developed on CentOS and Ubuntu.
> >> >>
> >> >> Also, if you plan an Enterprise deployment (I mean, many channels
> with
> >> >> reliable operation), you must be prepared to invest a sizeable amount
> >> >> of time to deeply understand all of the variables involved. Or you
> can
> >> >> contact consulting at freeswitch.org for professional help.
> >> >>
> >> >> Skype uses it's own codecs, it's not L16 on the net. L16 is between
> FS
> >> >> and Skype client.
> >> >>
> >> >> -giovanni
> >> >>
> >> >> On Fri, Sep 10, 2010 at 3:43 PM, Shamun toha md <
> shamun.toha at gmail.com>
> >> >> wrote:
> >> >> > Hi,
> >> >> >
> >> >> > Lets say 1 wants, Enterprise production plan with mod_skypopen, not
> a
> >> >> > target
> >> >> > of 20 channels only. lets assume more channels (T1) sort of target:
> >> >> >
> >> >> > # Question operating system should be CentOS or FreeBSD or
> >> >> > OpenSolaris?,
> >> >> > to
> >> >> > win a little more CPU space for this Skype processor monster.
> >> >> >
> >> >> > Then what server hardware platform should it be, to provide support
> >> >> > physically too:
> >> >> >
> >> >> > 1. What is the CPU should be target to handle more skype channels?
> >> >> > ex: 8
> >> >> > CPU
> >> >> > in 1 hardware ( 20 skype instance x 8 = 160 channels? ), which
> server
> >> >> > or
> >> >> > os
> >> >> > support this even?
> >> >> >
> >> >> > 2. What is the RAM should be? ex: 20GB? which hardware or os?
> >> >> >
> >> >> > 3. What server it should be? Cloud or Private co-located?
> >> >> >
> >> >> > 4. What is the bandwidth plan? ex: 10GB or 2MB?
> >> >> >
> >> >> > 5. L16 codec, will it be using inbound also for outbound? What will
> >> >> > be
> >> >> > the
> >> >> > Kilo bytes per seconds?
> >> >> >
> >> >> >
> >> >> > There is no reference what CPU with What unit of Ghz used? ex:
> >> >> > http://wiki.freeswitch.org/wiki/Skypiax
> >> >> >
> >> >> >
> >> >> > Thanks for your feedback
> >> >> >
> >> >> >
> >> >> >
> >> >> >
> >> >> > _______________________________________________
> >> >> > FreeSWITCH-users mailing list
> >> >> > FreeSWITCH-users at lists.freeswitch.org
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> >> >> >
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> >> >> >
> >> >> >
> >> >>
> >> >>
> >> >>
> >> >> --
> >> >> Sincerely,
> >> >>
> >> >> Giovanni Maruzzelli
> >> >> Cell : +39-347-2665618
> >> >>
> >> >> _______________________________________________
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> >> >
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> >> >
> >>
> >>
> >>
> >> --
> >> Sincerely,
> >>
> >> Giovanni Maruzzelli
> >> Cell : +39-347-2665618
> >>
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>
>
> --
> Blog: http://www.dujinfang.com
> Proj:  http://www.freeswitch.org.cn
>
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