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" Can I Finish My Software Project As Planned ? "

Project's Pervasive ( Problematic ?) Percentages

Benefit From Gray Arrow Kaytek Software Consulting Perspectives






Pervasive Percentages of Software Project Management


This article was written in 1995.

Please note that even though some of the percentages have obviously , many still hold good.

More important than the percentages are the questions raised and some of the possible answers to those, especially within a global distributed colloborative software development scenario.





At some point or time or the other, every software Project Manager gets sandwiched between changing business and IT requirements on one hand and a flux of rapid technology and project manpower changes on the other.

How can one try to complete a software project on time and on cost ?

Based on our experiences in software project management, we have devised the following percentages for a software project.

The challenging issues for software project management against each of these have been highlighted.



They would need to be addressed to be successful. These are as follows :


Down Arrow Pervasive Percentages

Gray Arrow 10 % Gray Arrow 20 % Gray Arrow 30 % Gray Arrow 40 % Gray Arrow 50 % Gray Arrow 60 % Gray Arrow 70 % Gray Arrow 80 % Gray Arrow 90 % Gray Arrow 100 %


Gray Arrow 10 % is the Probability of Defects Remaining in the Software.

Down Arrow How to address the Challenge of Software Quality ?

Gray Arrow Some perspectives on Software Quality...


Gray Arrow 20 % Of Work Takes 80% Time and Costs to complete.

How to ensure that Systems get FINALLY completed ?


Gray Arrow 30 % is the Average Software Manpower Attribution Rate Per Annum.

Down Arrow How to design People-Independent Software Systems ?

Gray Arrow Follow a Software Process...





Gray Arrow 40 % per Annum would be the Expected Increase in Software Professional Manpower Costs over the next few years.

How to increase Software Professional's Productivity ?


Gray Arrow 50 % is the Probability of a Software Project being implemented successfully as per original specified requirements.

Down Arrow How to minimize software project risks and ensure Successful Implementation of Systems ?

Gray Arrow Some thoughts on Kaytek experiences on reducing Software Project risks...


Gray Arrow 60 % is the Probability of Cost / Time Overruns in any Software Project.

How to minimize Software Estimation Errors ?


Welcome all Feedback, Suggestions, Viewpoints at kaytek (at) vsnl (dot) com.



Gray Arrow 70 % Software Project Completion Milestone is the time when New Requirements start creeping in from the customer.

Down Arrow How to design Flexible Systems to handle requirement changes ?

Gray Arrow Our Vision for Flexible Information Systems...


Gray Arrow 80 % are the chances that the Hardware / Software version being used is obsolete by the time the project is completed.

How to handle Computing Technology Obsolescence ?


Gray Arrow 90 % is the probability of Murphy's Law working at Critical Periods.

How Can our software brains tackle Murphy's law ?


Gray Arrow 100 % Probability that some of the above percentages would work for every software project.

Down Arrow How to ensure successful learning from every project to reduce this in the long run ?




Gray Arrow Creating A Generic Software Knowledge Repository...




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Last Updated on 24th December 2008.

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