[asterisk-users] Conferencing Hardware

[Gordon Henderson]

On Mon, 29 Sep 2008, Jim Boykin wrote:

> Thanks Gordon & Mike for the response.
>
> What accuracy are you getting from zaptest/dahdi_test (and system info).
>
> Two more questions:
>
> 1) Does ztdummy requires change into kernel? I am running 2.6.9 kernel.
> 2) What about CPU load?

I run a custom compiled kernel with the high resolution timers & HPET.

CPU load for me is next to nothing.

zttest for me:

# zttest -v
Opened pseudo zap interface, measuring accuracy...

8192 samples in 8191 sample intervals 99.987793%
8192 samples in 8191 sample intervals 99.987793%
8192 samples in 8192 sample intervals 100.000000%
8192 samples in 8191 sample intervals 99.987793%
8192 samples in 8192 sample intervals 100.000000%
8192 samples in 8192 sample intervals 100.000000%
8192 samples in 8192 sample intervals 100.000000%
8192 samples in 8192 sample intervals 100.000000%
8192 samples in 8192 sample intervals 100.000000%
8192 samples in 8192 sample intervals 100.000000%
8192 samples in 8192 sample intervals 100.000000%
8192 samples in 8192 sample intervals 100.000000%
8192 samples in 8192 sample intervals 100.000000%
8192 samples in 8191 sample intervals 99.987793%
8192 samples in 8192 sample intervals 100.000000%
8192 samples in 8192 sample intervals 100.000000%
8192 samples in 8191 sample intervals 99.987793% ^C
--- Results after 17 passes ---
Best: 100.000000 -- Worst: 99.987793 -- Average: 99.996410

System was just carrying a few SIP -> IAX calls at that point.

Gordon


>
> Thanks
> Jim
>
> On Mon, Sep 29, 2008 at 5:02 AM, Mike Trest <Mike at trest.com> wrote:
>> Go for it.
>> ztdummy is not an issue.
>>
>> I have used ztdummy with 220 simultaneous participants in 18
>> different conference groups.
>> At one time, I had 60 machines running simultaneously in a FARM all
>> of which were carrying
>> the same 18 conference groups with over 200 participants active on
>> each machine.
>> ..mike..
>>
>>
>> At 11:23 AM 9/28/2008, Gordon Henderson wrote:
>>> On Sun, 28 Sep 2008, Jim Boykin wrote:
>>>
>>>> We plan to use asterisk for conferencing. As I understand, it requires
>>>> either a separate hardware like x100p clone or ztdummy. What are the
>>>> pro & cons of x100p vs ztdummy. Any other hardware suggestions for
>>>> conferencing? It should be able to handle few simultaneous
>>>> conferences.
>>>
>>> I have one server which handles "a few simultaneous conferences" using
>>> just ztdummy - however there are rarely more than 4-5 participants and
>>> rarely more than 2 conferences on the go at any one time.. (2.5GHz AMD
>>> Semperon FWIW)
>>>
>>> Ztdummy using:
>>>
>>>
>>> ztdummy: Trying to load High Resolution Timer
>>> ztdummy: Initialized High Resolution Timer
>>> ztdummy: Starting High Resolution Timer
>>> ztdummy: High Resolution Timer started, good to go
>>>
>>> And zttest gets more 100%'s than not.
>>>
>>> Gordon
>>>
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>>
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>
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