The product component interfaces, both internal and external, are compatible.


Many product integration problems arise from unknown or uncontrolled aspects of both internal and external interfaces. Effective management of product component interface requirements, specifications, and designs helps ensure that implemented interfaces will be complete and compatible.


PI.SP 2.1 Review Interface Descriptions for Completeness
Review interface descriptions for coverage and completeness.
PI.SP 2.2 Manage Interfaces
Manage internal and external interface definitions, designs, and changes for products and product components.