This work is licensed under Creative Commons Attribution- this work is licensed under Creative Commons Attribution

CMMI defines the essential elements of effective processes for engineering disciplines based on best industry experiences.

CMMI models provide guidance when developing and evaluating processes.

CMMI models are not actually processes or process descriptions.

A requirement is a condition to be satisfied in order to respond to:

• A requirement is a condition to be satisfied in order to respond to:

• A contract
• A standard
• A specification
• Any other document and / or model imposed.

User’s Requirements

• User’s Requirements

• Statements in natural language of the system services.
• Described by the user

• System Requirements

• Structured document setting out detailed description of system services.
• Part of the contract

A customer must be able to abort a transaction in progress by pressing the Cancel key instead of responding to a request from the machine.

• A customer must be able to abort a transaction in progress by pressing the Cancel key instead of responding to a request from the machine.

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