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SRS > Feature Set > Feature Specification Format

Process impact: This reference page documents the format of feature descriptions and gives tips on writing them. You can copy and paste the feature specification template into your Features document. This file itself should not be edited to hold specific features.
TODO: Copy and paste this feature specification template as many times as needed in your Features document.

F-00: FEATURE NAME

Priority: Essential | Expected | Desired | Optional
Effort: Months | Weeks | Days | Hours
Risk: Dangerous | 3-Risk | 2-Risk | 1-Risk | Safe
Functional area(s): WORD, WORD, WORD
Use case(s): UC-01
Description:

1-4 PARAGRAPHS. USE BULLETS OR TABLES TO ORGANIZE INFORMATION. LINK TO WORKSHEETS OR ADDITIONAL INFORMATION.

Precise Details:

  • LOGICAL CONSTRAINT
  • LOGICAL CONSTRAINT
Notes and Questions:
  • NOTE
  • NOTE
  • QUESTION
  • QUESTION

Feature Attribute Values

  • Priority
    • Essential: The system could not or would never be used without this feature. It would be much harder to test, document, or package the product without this feature.
    • Expected: Key stakeholders strongly desire and expect this feature. It may have been promised to them in a certain release. It's absence would substantially reduce the success of the project.
    • Desired: Stakeholders desire this feature. It's absence would reduce the success of the project.
    • Optional: This feature would be nice to have. Adding it could have some advantage, but delaying it would not have a big effect on the success of the project.
  • Effort
    • Months: A very large feature that is too big to estimate and should be broken in to smaller, better-defined features.
    • Weeks: A large feature that will take 40 to 160 hours to add.
    • Days: An average or easy feature that would take less than 40 hours to add.
    • Hours: A very easy feature that would take less than 8 hours to add
    • Note that "adding" a feature means doing all of it's design, implementation, technical documentation, user documentation, and testing. Even the easiest feature takes hours to add.
  • Risk
    • Dangerous: Implementing this feature successfully would require overcoming risk factors that are more than three or unknown in number. It should be broken down into parts, better specified, or risk factors should be eliminated prior to implementation.
    • 3-Risks: Implementing this feature would require three risk factors to be overcome. Any single release should contain at most a few such high-risk features, and contingency plans should be considered. You should be able to list the risks.
    • 2-Risks: Implementing this feature would require two risk factors to be overcome. This is normal for challenging features. You should be able to list the risks.
    • 1-Risk: Implementing this feature as specified would require one risk factor to be overcome. This is normal for many features. You should be able to describe the risk.
    • Safe: Implementing this feature as specified is just a matter of time and effort, there is no real risk of failure.
    • A "risk factor" is a task or fact that is currently in doubt, but that must turn out well in order for the feature to be successfully implemented. See tips on managing risk below.

Further Information

For more information on advice, see:

Company Proprietary
Copyright © 2003-2004 Jason Robbins. All rights reserved. License terms. Retain this copyright statement whenever this file is used as a template.