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DATA ITEM DESCRIPTION Title: INTERFACE REQUIREMENTS SPECIFICATION (IRS) Number: DI-IPSC-81434A Approval Date: 19991215 AMSC Number: N7359 Limitation: DTIC Applicable: No GIDEP Applicable: Office of Primary Responsibility: NAVY/EC Applicable Forms: Use, Relationships:

The Interface Requirements Specification (IRS) specifies the requirements imposed on one or more systems, subsystems, Hardware Configuration Items (HWCIs), Computer Software Configuration Items (CSCIs), manual operations, or other system components to achieve one or more interfaces among these entities. An IRS can cover any number of interfaces.

The IRS can be used to supplement the System/Subsystem Specification (SSS) (DI-IPSC-81431A) and Software Requirements Specification (SRS) (DI-IPSC-81433A) as the basis for design and qualification of testing of systems and CSCIs.

This DID contains the format and content preparation instructions for the data product generated by specific and discrete task requirements as delineated in the contract.

This DID is used when the developer is tasked to define and record the interface requirements for one or more systems, subsystems, HWCIs, CSCIs, manual operations, or other system components.

The IRS can be used to supplement the SSS and the SRS.

This DID supersedes DI-IPSC-81434.