[Asterisk-Users] Hardware to build an Enterprise AsteriskUniversalGateway

[Doug Shubert]

Perhaps I was being somewhat ambitious by posting five 9's for
"Enterprise Class"

using a three tiered approach,

five 9's (5.25 min. per year) for "Carrier Class"
four 9's (52.56 min. per year) for "Enterprise Class"
three 9's (8.76 hrs. per year) for "User/SOHO Class"

each Class having specific requirements of hardware, software, network
and power redundancy.

I presume this is needed to deliver an "Service Level Agreement" (SLA).



"Olle E. Johansson" wrote:

> Andrew Kohlsmith wrote:
> >>I would set the "Enterprise Class" bar at five 9's reliability
> >>(about 5.25 minutes per year of down time) the same
> >>as a Class 4/5 phone switch. This would require redundant
> >>design considerations in both hardware and software.
> >
>
> To turn around, let's discuss what we need to focus on to get
> Asterisk there:
>
> Here's a few bullet points, there's certainly a lot more
> * Linux platform stability - how?
> ** Special demands when using Zaptel cards
> * Redundancy architecture
> * Development/stable release scheme
>
> Then we have some channel demands, like
> * Better support for SRV records in the SIP channel
>
> More?
>
> /O
>
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