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The Pain Value Analysis
The Pain Value Analysis
This method is very useful to preset which areas of the IT infrastructure are most painfull and which of them can cause the biggest pain when an error occur in a particular area. The pain value is nothing else then number of incidents multiplied by duration and severity multiplied by weighting factor. The rule is as follows:
Pain value = (No. of incidents) * (duration) * (severity) * (weighting factor)
In the Pain Value Analysis the calculation is made as shown (for severity it can be priority and in most cases it's necessary to revers this e.g. if you have priority of 1-5 with 1 being the most severe impact then you will need to multiply this incidents by 5, low impact incidents i.e. severity 5 will need to be multiplied by 1)
In a grid environment like e.g. global organization having its departmets all over the world the core factor to do the business will be communication and data flows between departments. On the picture above you can see the most painful might be lack of connectivity in cellular phones and / or VOIP network. People in the organization probably use a lot of mobile phones and - because it is a global company that focuses on cost minimizing - Voice Over IP networks. Router are not so visible to end users that's why many of them don't even know there are such devices but anyway, they are still very crutial for the organization.
source: ITIL Resources
published: 2008-11-12 09:01:07