[asterisk-users] Hardware suggestions

[Singer XJ Wang]

Mike wrote:
>> You can reliably run asterisk on just about any x86 hardware.  You don't
>> mention what kind of stresses you are going to put on it, so your sizing
>> questions are impossible to answer.  How many extensions?  How many
>> simultaneous calls?  Will you be transcoding?  Routing to/from the PSTN?
>> What cards will you be putting in the box?  Some cards don't play nicely
>> together if forced to share interrupts, for example.
>>     
>
>   
Sizing is important. Take your company's projected growth rate, double 
it, and work it out for 3-5 years. I recommend 5 years for the
sizing. As much as its fun to tinker, once it goes into production you 
want to have it as stable as possible.

Look at all the apps you want to use and figure out how much they are 
going to cost you in terms of resources. In the company
I work for, we put in Asterisk to replace our Nortel system which 
reached the limits. So we expected standard usage rates
and growth etc.

However, once we introduced meetme application our Asterisk usage 
spiked. We figured on average 2-3
meetme meetings a week (based on the usage of a third party conference 
bridge we had before), and now
its at 2-3 a day. We had it setup so that every person has their own 
conference bridge.

Other features are also taking up more resources. I'm currently 
modigying meetime and writing an AGI so that
once the meetme conference ends, it will take the recording and conver 
it to an mp3 and then emails it to
the leader.



> I wasn't worried about sizing (let's imagine that this is more than enough
> for now and less than I'll need later).  More about whether this was the
> right BRAND more than the right hardware. Does HP make Asterisk friendly
> hardware? I know Dells was problems a few years back.
>
> As for CPU, the question is mostly one about more GHz or more cores? Dual
> cores are cheaper by GHz. What`s best for Asterisk?
>
> I am doing only SIP to SIP calls.  Some transcoding (half calls are G711 to
> G729, the other half are G729 both ways).
>
> [snip]
>
>   
>> I'm shooting from the hip here, but I don't think dual CPU gives you
>>     
> redundancy.  If one chip fries I am pretty sure the machine will crash.
>
> This was sort of a question disguised as a statement.  Can a CPUs function
> when it's neighbour is fried?
>
> Mike
>   
>
>
>
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