Term:System Development Life Cycle
GAO-09-232G
System Development Life Cycle - The policies and procedures that govern software (SDLC) methodology development and modification as a software product goes through each phase of its life cycle.
NIST IR 7298
System Development Life Cycle (SDLC) - The scope of activities associated with a system, encompassing the system's initiation, development and acquisition, implementation, operation and maintenance, and ultimately its disposal that instigates another system initiation. SOURCE: SP 800-34
NIST SP 800-34
System Development Life Cycle - The scope of activities associated with a system, encompassing the system's initiation, development and acquisition, implementation, operation and maintenance, and ultimately its disposal that instigates another system initiation.