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Archive for 2013


How Well Are Your Requirements Connected?

Posted on: December 31st, 2013 by Lou Wheatcraft No Comments

On our Ask the Experts page , the following question was asked: “I am a systems engineer currently involved in a complex aerospace system development.  While I was searching for some related topics on requirements management, your interesting website was … Read More

Managing Interfaces in an Agile Development Environment

Posted on: December 15th, 2013 by Lou Wheatcraft No Comments

In a popular online discussion group, the following question was asked: .”how should ICDs (Interface Control Documents) or interface requirements be developed, documented, and managed in an Agile development environment?”. You can read my views on Agile development and requirements … Read More

Interface Requirements vs IRDs vs ICDs

Posted on: November 15th, 2013 by Lou Wheatcraft 3 Comments

There exists some confusion surrounding the relationship between Interface Requirement Documents (IRDs) and Interface Control Documents (ICDs) when defining requirements.  This fact is of little surprise to us.  In fact, we have done a lot of research in this area … Read More

Why are we doing what we are Doing?

Posted on: October 31st, 2013 by Lou Wheatcraft 2 Comments

A common problem we see on new projects is people jump into writing requirements without first answering the question “Why are we doing what we are doing?”  Many challenged projects (e.g., over budget, behind schedule, not meeting quality standards) can … Read More

Common Testing Problems

Posted on: October 9th, 2013 by Lou Wheatcraft 4 Comments

I am changing gears a little in this blog and am discussing a recent paper and presentation (and soon to be book) that was made known to me via a LinkedIn discussion.  The topic deals with common testing problems. Donald … Read More