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(behavioral requirements). " " . " " , , , .

, , : " ". (uses cases) - .

- , , .

, , . . :

(External Interfaces),

(Quality Attributes),

(Constraints).

(User Interface, UI). , ( ), ( ).

:

,

,

,

,

FURPS (. ).

- , , . / (, , ,...), , , , , ( ).

. . , "" (feature), , -.

: "features , ".

. , " , features , , ".

: , , , , -.

RUP

Rational Unified Process FURPS+ IEEE Std 610.12.1990.

FURPS :

Functionality ()

Usability ()

Reliability ()

Performance ()

Supportability ( ).

"+" FURPS-, :

,

,

,

,

.

, RUP ,

, ;

,

.





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