[asterisk-users] Teliax Quality of Service

Andres Paglayan andres at paglayan.com
Tue Aug 7 15:06:02 CDT 2007


On Aug 6, 2007, at 10:42 AM, Stephen Bosch wrote:

> Eric "ManxPower" Wieling wrote:
>> Douglas Garstang wrote:
>>> Let's assume for a moment that it's impossible. That does not  
>>> mean adding additional servers and additional networking  
>>> equipment does not add value, or is a worthless endeavour.
>>
>> I agree with that.  At least two people that I know run ITSPs.  Each
>> time they have an outage (which is not very often) they DO learn from
>> the experience and work to avoid a future outage cause by the same  
>> issue.
>>
>> You would be surprised at how many little things can cause an outage.
>
> My own experience is that increasing "failover redundancy", which adds
> correspondingly increasing complexity, also increases the odds of  
> an outage.
>
> It is very rare that failover redundancy works as intended during an
> actual failover, no matter how many times you simulate it.
>
> I would rather have a simple network design where the cause of  
> failure,
> when it happens, is obvious and quickly corrected. For example, I  
> would
> rather have replacement parts on the shelf and be able to slap them in
> quickly than be running hot standbys and paying for the  
> electricity, and
> then have the thing break anyway when there's a failure.
>

I'll second that,
specially for smaller installations,

> -Stephen-
>
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Andres Paglayan

--"Harmony is more important than being right"
Bapak







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