Showing posts with label requirements. Show all posts
Showing posts with label requirements. Show all posts
Wednesday, July 29, 2020

Fix Requirements Specification Errors Now

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Errors in the requirements specification will cost you: 5 times more to find and fix if they remain until design. 10 times more if the...
Monday, July 27, 2020

Top 10 Project Management Risks

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As a software architect, I've assisted in project management and filled the role of product owner. For all of these roles it is impor...
Saturday, May 23, 2020

Quantify Requirements

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All to often terms such as "fast," "responsive," and "extensible" are listed as software product requiremen...
Thursday, May 21, 2020

Plan A Project In Detail

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Every software project needs a plan. The level of detail should be appropriate for the size and complexity of the project. A...
Saturday, December 22, 2018

Provide All The Information The User Needs And Nothing More

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A key part of the design process is the precise definition of each and every software component in the system. This specification will be...
Tuesday, November 27, 2018

Store Requirements in a Database

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Keep in mind that the follow quote is from 1995. It is still completely relevant. Requirements are complex and highly volatile. For the...
Monday, November 26, 2018

Self-Destruct TBDs

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A software requirements specification (SRS) with a TODO or TBD (To Be Determined) note is obviously not complete. There may be good reaso...
Saturday, November 24, 2018

Specify When Environment Violates "Acceptable" Behavior

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Requirements specifications often define characteristics of the system's environment. This information is used in making intelligent ...
Friday, November 23, 2018

Specify Reliability Specifically

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Software reliability is difficult to specify. Don't make the problem even more difficult by being vague. For example, "The syste...
Thursday, November 22, 2018

Write Natural Language Before a More Formal Model

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Augment, Never Replace, Natural Language  says to create requirements specifications that contain both natural language and formal models...
Wednesday, November 21, 2018

Augment, Never Replace, Natural Language

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"In an effort to reduce ambiguity in requirements, software developers often decide to use a notation that is more precise than natu...
Tuesday, November 20, 2018

Reduce Ambiguity in Requirements

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Software requirements specifications are often written in a natural language. To reduce the ambiguity of natural language apply the follo...

Separately Number Every Requirement

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"It is essential that every requirement in the requirements specification be easily referenceable. This is necessary to enable later...
Monday, November 19, 2018

Write Concisely

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I often see requirements specifications with sentences like: The target tracking function shall provide the capability to display the c...
Sunday, November 18, 2018

Organize Requirements Sensibly

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Organize requirements in a way most natural for the customers, users, or marketing personnel. This will help avoid later changes or addition...
Thursday, November 15, 2018

Use Multiple Views of Requirements

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Multiple views of requirements are needed to sufficiently understand or describe the behavior of a complex system. For example, you might...
Wednesday, November 14, 2018

Keep the Requirements Specification Readable

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A requirements specification must be read and understood by a wide range of individuals and organizations: users, customers, marketing pe...
Tuesday, November 13, 2018

Use The Right Techniques

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No requirements technique works for all applications. The requirements for complex applications can be best understood when multiple tech...
Saturday, November 10, 2018

Avoid Design in Requirements

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The purpose of a software requirements specification (SRS) is to specify external behavior of the product. It should be specific enough t...
Tuesday, November 06, 2018

Review The Requirements

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A formal review of the Software Requirements Specification (SRS) should be conducted prior to a major investment in the design or code. A...