n sftwr ngnrng, sftwr dvlpmnt prcss r sftwr dvlpmnt lf cycl (SDLC) s prcss f plnnng nd mngng sftwr dvlpmnt. t typclly nvlvs dvdng sftwr dvlpmnt wrk nt smllr, prlll, r sqntl stps r sb-prcsss t mprv dsgn nd/r prdct mngmnt. Th mthdlgy my ncld th pr-dfntn f spcfc dlvrbls nd rtfcts tht r crtd nd cmpltd by prjct tm t dvlp r mntn n pplctn.
Mst mdrn dvlpmnt prcsss cn b vgly dscrbd s gl. thr mthdlgs ncld wtrfll, prttypng, trtv nd ncrmntl dvlpmnt, sprl dvlpmnt, rpd pplctn dvlpmnt, nd xtrm prgrmmng.
lf-cycl "mdl" s smtms cnsdrd mr gnrl trm fr ctgry f mthdlgs nd sftwr dvlpmnt "prcss" s prtclr nstnc s dptd by spcfc rgnztn. Fr xmpl, mny spcfc sftwr dvlpmnt prcsss ft th sprl lf-cycl mdl. Th fld s ftn cnsdrd sbst f th systms dvlpmnt lf cycl.