Nature of the SRS
The SRS is a specification for a particular software product, program, or set of programs that performs certain functions in a speciÞc environment. The SRS may be written by one or more representatives of the supplier, one or more representatives of the customer, or by both.
The basic issues that the SRS writer(s) shall address are the following:
a)Functionality.
What is the software supposed to do?
b)External interfaces.
How does the software interact with people, the systemÕs hardware, other hardware, and other software?
c)Performance.
What is the speed, availability, response time, recovery time of various software functions, etc.?
d)Attributes.
What are the portability, correctness, maintainability, security, etc. considerations?
e)Design constraints imposed on an implementation.
Are there any required standards in effect, implementation language, policies for database integrity, resource limits, operating environment(s) etc.?
The SRS writer(s) should avoid placing either design or project requirements in the SRS.
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