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Re: cost of misconfigurations
From: Diogo Montagner <diogo.montagner () gmail com>
Date: Thu, 2 Aug 2012 08:32:19 +0800

Hi Darius,

You are right. The lost of a customer due to those things. However, I
would classify this as an unknown situation (in terms of risk
analisys) because the others I mentioned are possible to calculate and
estimate (they are known). But it is very hard to estimate if a
customer will cancel the contract because 1 or n network outages. In
theory, if the customer SLA is not being met consecutively, there is a
potential probability he will cancel the contract.


On 8/2/12, Darius Jahandarie <djahandarie () gmail com> wrote:
On Wed, Aug 1, 2012 at 8:08 PM, Diogo Montagner
<diogo.montagner () gmail com> wrote:
A misconfiguration will, at least, impact on two points: network
outage and re-work. For the network outage, you have to use the SLAs
to calculate the cost (how much you lost from the customers' revenue)
due to that outage. On the other hand, there is the time efforts spent
to fix the misconfiguration. Under the fix, it could be removing the
misconfig and applying a new one correct. Or just fixing the misconfig
targeting the correct config. This re-work will translate in time, and
time can be translated in money spent.

Isn't the largest cost omitted (or at least glossed over) here?
Namely, lost customers due to the outage. That's why people have SLAs
and rework the network at all -- to avoid that cost.

Darius Jahandarie

Sent from my mobile device

./diogo -montagner

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