Uphuhliso oluQinisekisiweyo oluKhethekileyo (VSDD)

Kutheni iiProjekthi ezininzi zeSoftware zisasilela — kunye neNdlela yoTshintsho olutshintshayo

Ngo-2024, ingxelo ye-Standash Group's CHAOS ibonise ukuba yi-31% kuphela yeeprojekthi zesoftware ezagqitywa ngexesha kunye nohlahlo lwabiwo-mali. Ama-69% aseleyo aye acelwa umngeni okanye awaphumelelanga ngokupheleleyo. Oyena nobangela ayingobaphuhlisi ababi okanye inkxaso-mali enganelanga - ibikungacaci kakuhle. Amaqela akha izinto ekungekho mntu uzicelileyo, ikhowudi ethunyelweyo ekhabanayo nemithetho yeshishini, kwaye achitha iinyanga ehlaziya iinkqubo ezayilwa ngokwentelekelelo kuneemfuno eziqinisekisiweyo. IVerified Spec-Driven Development (VSDD) yindlela esakhasayo eyilelwe ukuphelisa oku kungacaci ngokupheleleyo, ukuqinisekisa ukuba umgca ngamnye wekhowudi ubuyela emva kwingcaciso eqinisekisiweyo ngokusesikweni phambi kokuba ifikelele kwimveliso.

Ngokungafaniyo neendlela zophuhliso lwesintu apho iinkcukacha zikhoyo njengamaxwebhu abhaliweyo akhukulisekayo kwiiveki nje ezimbalwa, iVSDD ithatha iinkcukacha njengezinto zakudala eziphunyezwayo, ezinokuvavanywa, nezingqinisiswa ngokuqhubekayo. Isiphumo yisoftware eyenza kanye oko kufunwa ngabachaphazelekayo - hayi ngaphezulu, hayi ngaphantsi. Kumashishini aqhuba amaqonga okusebenza antsonkothileyo anentaphane yeemodyuli ezinxibeleleneyo, iimpembelelo ziyaguquka.

OkuQinisekisiweyo kuPhuhliso oluKhethekileyo eneneni luthetha ntoni

Embindini wayo, i-VSDD yindlela yobunjineli eqeqeshekileyo eyakhelwe kwiintsika ezintathu: ukucaciswa okusesikweni, ukuqinisekiswa okuzenzekelayo, kunye nokulandeleka okuqhubekayo. Abaphuhlisi baqala ngokubhala iinkcukacha ezifundeka ngoomatshini ezingachazi nje yintoniisoftware ekufuneka iyenze, kodwa imiqobo echanekileyo, iimeko ezingxamisekileyo, kunye neziguquguqukayo ekufuneka zibambe inyaniso kuwo onke amanqanaba okwenziwa. La ayingomabali angacacanga omsebenzisi okanye iimfuno ezitsolo-bullet — zizivumelwano ezingqongqo, ezingacacanga phakathi kwenkqubo nabachaphazelekayo.

Icandelo "eliqinisekisiweyo" lilo elihlula i-VSDD kwiindlela zakudala eziqhutywayo. Kunokuba uthembele kuphononongo lwekhowudi yezandla okanye uvavanyo emva kokuqinisekisa ukuthotyelwa, i-VSDD isebenzisa i-automated verification tooling - kubandakanywa novavanyo olusekelwe kwipropati, abahloli bekhontrakthi, kwaye kwezinye iimeko abancedisi bobungqina obusemthethweni - ukuqinisekiswa ngokuqhubekayo ukuba ukuphunyezwa kuhambelana neenkcukacha. Ukuba ikhowudi iyakhukuliseka kwi-spec, ukwakhiwa kuyasilela. Ukuba i-spec iyatshintsha, impembelelo kwikhowudi esele ikhona ivele ngokukhawuleza.

Oku kudala oko iingcali zikubiza ngokuba "ngumthombo omnye wenyaniso loop" - iinkcukacha zazisa ukuphunyezwa, ukuphunyezwa kuqinisekiswa ngokuchasene nemigaqo, kunye naluphi na utshintsho olunokuthi lubangele ukuqinisekiswa kwakhona. Umjikelo wengxelo yimizuzu, hayi iinyanga.

Amanqanaba amahlanu oMsebenzi weVSDD

Ukwamkela iVSDD akufuni ukulahla iinkqubo zakho esele zikhona ngokupheleleyo. Uninzi lwamaqela luyiphumeza njengokwaleka okucwangcisiweyo ngaphezulu kokuhamba kwe-agile okanye okuphindaphindayo. Indlela yokusebenza yahlulahlulwe ibe ngamanqanaba amahlanu ahlukeneyo adala ikhonkco elingaqhawukiyo ukusuka kwinjongo yeshishini ukuya kwikhowudi ebekiweyo.

1. Special Authoring: Abahlalutyi beShishini kunye neengcali zesizinda basebenzisana nabaphuhlisi ukuba babhale iinkcukacha ezisemthethweni besebenzisa iifomathi ezicwangcisiweyo - I-OpenAPI yee-APIs, imizobo yomatshini wombuso wokuhamba komsebenzi, okanye iilwimi ezicacileyo ze-domain (DSLs) kwingqiqo yoshishino. I-spec nganye ibandakanya imiqathango yangaphambili, i-postconditions, kunye ne-invariants.
2. Ukuphononongwa okuKhethekileyo kunye nokulinganisa: Ngaphambi kokuba nayiphi na ikhowudi ibhaliwe, iinkcukacha zifaniswe ngokuchasene neemeko zehlabathi zangempela. Abathathi-nxaxheba banokuthi "baqhube" i-spec ukuze babone indlela eya kuziphatha ngayo inkqubo, babambe ukungaqondi kakuhle phambi kokuba kube ziimpazamo ezibizayo.
3. Ukuphunyezwa ngoQinisekiso lwe-Inline: Abaphuhlisi babhala ikhowudi echazwe kunye neereferensi ezithile. Izixhobo ezizenzekelayo zijonga rhoqo ukuba umsebenzi ngamnye, isiphelo, kunye nokuguqulwa kwedatha kuyanelisa imiqobo ehambelana nayo.
4. Uqinisekiso lokuDityaniswa: Njengoko iimodyuli zidityanisiwe, ukuqinisekiswa kwe-cross-spec kuqinisekisa ukuba izivumelwano phakathi kwamacandelo zihlonitshwa. Ifomathi yemveliso yemodyuli ye-invoyisi kufuneka ihambelane noko kulindelekileyo kwimodyuli yobalo njengegalelo.
5. I-Special Monitoring eqhubekayo: Ukuthunyelwa emva kokuthunyelwa, abahloli bexesha lokugijima baqinisekisa ukuba ukuziphatha kwemveliso kuyaqhubeka nokuhambelana neenkcukacha, ukubamba ukukhukuliseka kwendalo, ukungahambi kakuhle kwedatha, kunye nokungaphumeleli kokudibanisa komntu wesithathu ngexesha langempela.

Le loop enamanqanaba amahlanu iqinisekisa ukuba iinkcukacha azinakuze ziphathwe njengokuthi "bhala kube kanye, ulibale ngonaphakade" amaxwebhu. Ziyaphila, izinto zakudala eziphefumlayo ezithi zivele ecaleni kwecodebase kwaye zihlala zichanekile ngokuqinisekileyo kwinqanaba ngalinye.

Kutheni uVavanyo Lwesintu lulodwa luwa lufutshane

Inkcaso eqhelekileyo kwi-VSDD yile: "Sele sibhala iimvavanyo - akwanelanga?" Impendulo enyanisekileyo ayikho, kwaye idatha iyayixhasa le nto. Uphando oluvela kwiqela le-Microsoft's Empirical Software Engineering lufumanise ukuba neeprojekthi ezine-80%+ zekhowudi ezigqunywe rhoqo zithunyelwa iziphene ezisekelwe kwizikhewu ezibalulwayo - iimeko apho iimvavanyo ziphumelele kuba zivavanye engalungangainto, hayi kuba isoftware ichanekile.

Iyunithi yesiNtu kunye novavanyo lohlanganiso luqinisekisa ukuziphatha, kodwa banokujonga kuphela iimeko ezilindelwe ngumphuhlisi. Ukuba umphuhlisi akawuqondi kakuhle umthetho weshishini, baya kubhala zombini ikhowudi kunye novavanyo ngokungalunganga - kwaye zombini ziya kudlula. I-VSDD iwuqhawula lo mjikelo ngokuseka umaleko wokuqinisekisa ozimeleyo. Ubalulo lugunyaziswe ziingcaphephe zesizinda, hayi abaphuhlisi ababhala umiliselo, besenza uhlolo lwendalo kunye nolungelelwaniso olubambe ukungahambi kakuhle kwangoko.

Esona siphene siyingozi kuyo nayiphi na inkqubo asiyiyo eyayiwisayo — yeyona ivelisa iziphumo ezingalunganga ngelixa lonke uvavanyo kwi-suite ludlula eluhlaza. Uphuhliso oluQinisekileyo oluQinisekisiweyo lukhona ncakasana ukubamba olu didi lokusilela, luqinisekisa ukuba ukuchaneka kulinganiswa ngokuchasene nenjongo yeshishini, hayi ingqikelelo yomphuhlisi.

Qwalasela injini yokubala yomvuzo ekufuneka ijongane namazinga exesha elongezelelekileyo kwiindawo ezili-14 ezahlukeneyo. Umphuhlisi unokubhala iimvavanyo ezigubungela imimandla emihlanu aqhelene nayo kakhulu, ephoswa ziimeko zomphetho kwezinye ezisithoba. Ngaphantsi kwe-VSDD, ukucaciswa kuya kubhala ngokucacileyo zonke iiseti zemithetho ye-14, kwaye ukuqinisekiswa okuzenzekelayo kuya kufulegi nayiphi na indawo yolawulo ngaphandle kokuphunyezwa okuhambelanayo - ngaphambi kokuba ikhowudi ifike kwi-QA.

Impembelelo yokwenyani yehlabathi: Ukusuka kwi-Aerospace ukuya kwiiPlatform zeShishini

I-VSDD ineengcambu zayo zengqondo kumashishini abalulekileyo okhuseleko. IJet Propulsion Laboratory yeNASA isebenzise ukucaciswa okusesikweni kunye nokuqinisekiswa amashumi eminyaka-iMars Curiosity rover's autonomous navigation system yakhiwe ngokuchasene neenkcukacha eziqinisekisiweyo eziqinisekisa ukuba isithuthi asinakuze sizilawulele kwimeko engafumanekiyo. I-Airbus isebenzisa ubuchule obufanayo kuzo zonke iinkqubo zayo zokulawula ukubhabha ngocingo, apho umsantsa ocacileyo ungeyongxaki nje — yintlekele enokwenzeka.

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Kodwa indlela yokusebenza isasazeka ngokukhawuleza ngaphaya kwe-aerospace kunye nokukhusela. Iinkampani zetekhnoloji yezemali ziye zamkela imigaqo ye-VSDD yokuqinisekisa ukuba iinjini zokuqhuba intengiselwano zithobela iimfuno zolawulo kuwo wonke amagunya amaninzi ngaxeshanye. Amaqonga okhathalelo lwempilo asebenzisa ukuqinisekiswa okucacisiweyo ukuqinisekisa ukuba izixhobo zenkxaso yesigqibo seklinikhi azize zincome ukusebenzisana kweziyobisi eziphula izikhokelo ze-FDA. Kwaye ngokwandayo, amaqonga oshishino emodyuli anezixhobo ezininzi ezinxibeleleneyo ajikela kwi-VSDD ukulawula ukuntsonkotha konxibelelwano lweemodyuli ezinqamlezayo.

E-Mewayz, apho iimodyuli ze-207 - ezithatha i-CRM, i-invoyisi, i-payroll, i-HR, ulawulo lwezithuthi, i-analytics, kunye nokunye - kufuneka isebenze kunye ngaphandle komthungo kubasebenzisi abangaphezu kwe-138,000, imigaqo ye-VSDD yazisa ngokuthe ngqo izenzo zobunjineli beqonga. Xa uhlaziyo lwendlela yokubala irhafu yemodyuli ye-invoyisi lunokungena kwintlawulo yomvuzo, ukubalwa kwemali, kunye nohlalutyo, iinkcukacha eziqinisekisiweyo ziqinisekisa ukuba yonke into exhomekeke ezantsi ibalwa kwaye iqinisekisiwe phambi kokutshintsha iinqanawa. Le yindlela iqonga elinokulinganisa ngayo ukuya kumakhulu eemodyuli ngaphandle kokusilela kokudityaniswa okukholisa ukuthwaxa iinkqubo zoshishino ezintsonkothileyo.

Ukusebenzisa i-VSDD Ngaphandle kokuBilisa uLwandle

Enye yeengcamango ezingalunganga malunga ne-VSDD kukuba ifuna inkqubo epheleleyo yokulungiswa kunye neenyanga zokuseta ngaphambi kokunikezelwa kwexabiso. Ngokwesiqhelo, ezona kwamkelwa ziphumelele kakhulu ziqala kancinci kwaye zanda kancinci. Amaqela azama ukucacisa ngokusesikweni inkqubo yawo yonke ngosuku lokuqala ngokungenakuthintelwa atshile. Amaqela aqala ngemodyuli yawo yowona mngcipheko mkhulu kwaye andise ngaphandle abone imbuyekezo edibeneyo.

Nasi isicwangciso-qhinga sokwamkelwa komntwana esisebenza kumaqela anobuphi na ubukhulu:

• Qala ngemida yakho yokudibanisa. Amanqaku apho iimodyuli okanye idatha yokutshintshiselana ngeenkonzo apho izikhewu zenkcazo zibangela umonakalo omkhulu. Cacisa ngokusesikweni iikhontrakthi zakho ze-API kuqala — i-schema yesicelo/yempendulo, iikhowudi zeemposiso, imida yomlinganiselo, kunye neemfuno zoqinisekiso.
• Yongeza izinto ezingaguqukiyo kwingqiqo yeshishini lakho. Chonga imigaqo ekufunekasolokoyinyani — ibhalansi yeakhawunti mayingaze ibe negative, amaxesha okuqeshwa kufuneka angadlulanga, iirekhodi zomsebenzi kufuneka zibe ne-ID yerhafu esebenzayo. Faka ezi khowudi njengeziqinisekiso.
• Ukuqinisekisa okuzenzekelayo kwi-CI/CD. Hlanganisa uqinisekiso oluthile kumbhobho wakho wohlanganiso oqhubekayo ukuze isicelo ngasinye sokutsalwa sikhangelwe ngokuchasene nengcaciso phambi kokudibanisa. Oku kudala iluphu yengxelo ekhawulezayo ngaphandle kokufuna ukuba abaphuhlisi batshintshe ukuhamba kwabo kwemihla ngemihla.
• Yenza i-specs isebenzisane. Sebenzisa izixhobo ezivumela abachaphazelekayo abangezo-technical bafunde kwaye babe negalelo kwiinkcukacha. Xa i-CFO inokuqinisekisa ukuba i-invoyisi ihambelana nommiselo wamva nje werhafu, uye wawuvala umsantsa phakathi kwenjongo yeshishini kunye nokusetyenziswa kobugcisa.

Isitshixo kukuphatha i-VSDD njengethambeka, hayi ibhinary. Nokwamkelwa ngokuyinxenye-ukuqinisekisa eyona mithetho ibalulekileyo yeshishini-kunokuphelisa zonke iindidi zeziphene zemveliso. Inkampani ye-SaaS eqinisekise kuphela iinkcukacha zayo ezinxulumene nokuhlawula inike ingxelo yokwehliswa kwe-73% yamatikiti enkxaso anxulumene namatyala kwikota yokuqala yokwamkelwa.

Indima ye-AI kuQinisekiso lweNkalo yesiZukulwana esilandelayo

I-intersection ye-VSDD kunye nobukrelekrele bokwenziwa kulapho ikamva lemethodology lilele khona. Izixhobo ezinikwe amandla e-AI ziqala ukwenza ngokuzenzekelayo ezona nxalenye zisebenza kakhulu kwi-VSDD yokuhamba komsebenzi - ukuvelisa iinkcukacha zokuqala ezivela kwiikhowudi ezikhoyo, ukuchonga izikhewu ezichazwe ngokuhlalutya iiphoso zemveliso, kunye nokucebisa ukuphuculwa kwenkcazo esekelwe kwiipatheni zokuziphatha komsebenzisi.

Imifuziselo yeelwimi ezinkulu ngoku ingatolika iimfuno zeshishini zolwimi lwendalo zibe ziinkcukacha ezicwangcisiweyo, ezingqinisiseka ngoomatshini ngokuchaneka okumangalisayo, kuncitshiswe umqobo obekiweyo owawusenza ukuba iindlela ezisesikweni zingasebenzi kumaqela ahamba ngokukhawuleza. Xa umphathi wemveliso ebhala "abathengi kwisicwangciso soShishino kufuneka bafumane isaphulelo se-15% sevolumu kwii-odolo ezingaphezulu kwe-10,000 yeedola," izixhobo ze-AI zinokuvelisa ukucaciswa okusesikweni okuhambelanayo, iimeko zovavanyo, kunye neengqinisekiso zokuqinisekisa - ukuguqula isivakalisi sibe sisivumelwano esiqinisekisiweyo ngemizuzwana kuneeyure.

Amaqonga afana ne-Mewayz asebenzisa i-automation ye-AI kuzo zonke iimodyuli zabo zokusebenza ukuzisa eli nqanaba lokuchaneka kwiinkqubo zoshishino zemihla ngemihla. Xa ishishini liqulunqa i-workflows yesiko - ukudibanisa idatha ye-CRM kwimithetho ye-invoyisi kwizibalo ze-payroll - ukuqinisekiswa okuncediswa yi-AI kunokuhlalutya yonke ikhonkco lokuhamba komsebenzi kunye neflegi yokungahambelani okunengqiqo ngaphambi kokuba ibonakalise njengeempazamo kwiintengiselwano zangempela. Oku kukusetyenziswa kwemigaqo ye-VSDD ngokomlinganiselo: ukuqinisekisa ukuba ingqiqo yeshishini entsonkothileyo, eqwalaselwe ngumsebenzisi ihlala ichanekile njengoko iguquka.

INkcazo-iNgqondo yokuQala: iShift yeNkcubeko eFanelekileyo yenziwe

Mhlawumbi eyona nkalo ingaxatyiswanga kakhulu ye-VSDD ayibobuchule — yinkcubeko. Amaqela amkela uphuculo lwengxelo-yokuqala yokucinga eyandisa ngaphaya kokunciphisa isiphene. Unxibelelwano phakathi kwamalungu eqela lobugcisa kunye nalawo angengowobugcisa luyaphucuka kuba iinkcukacha zibonelela ngolwimi olukwabelwanayo ngalo, olungacacanga. Ixesha lokukhwela liyancipha ngenxa yokuba abaphuhlisi abatsha banokufunda i-specs ukuqonda indlela yokuziphatha ngaphandle kokubuyisela umva ikhowudi yekhowudi. Kwaye izigqibo zezokwakha ziba zezebom ngakumbi kuba iindleko zokutshintsha iinkcukacha (kunye nokusasaza olo tshintsho ngokuqinisekisa) zinyanzela amaqela ukuba acinge ngononophelo phambi kokuba bongeze ubunzima.

Ishishini lesoftware lichithe amashumi eminyaka lilungiselela isantya sonikezelo. I-VSDD ayicothi unikezelo - iphinda iqondise ixesha ebeliya kuchithwa ukulungisa ingxaki, ukulungisa i-hotfixing, kunye nokucela uxolo kubathengi ngokucaca kwangaphambili okuthintela ezo ngxaki ukuba zenzeke. Kumashishini aqhuba imisebenzi ebaluleke kakhulu kwiimodyuli ezininzi kwaye akhonza amawakawaka abasebenzisi, oko kurhweba akubalulekanga nje - kubalulekile. Umbuzo awungowokuba ngaba umbutho wakho unako ukwamkela uPhuhliso oluQinisekisiweyo oluKhethekileyo. Kukuba unganakho na ukungakwazi.

Imibuzo Ebuzwa Rhoqo

Yintoni i-Verified Spec-Driven Development (VSDD)?

I-VSDD yindlela yokuphelisa ukungaqondakali kweeprojekthi zesofthiwe ngokufuna yonke into, umgaqo weshishini, kunye nesigqibo soyilo ukuba sifakwe kwinkcazo eqinisekisiweyo ngaphambi kokuba nayiphi na ikhowudi ibhalwe. Ngokungafaniyo neendlela eziqhelekileyo apho iingqikelelo ziqhuba uphuhliso, i-VSDD iqinisekisa ulungelelwaniso phakathi kwabachaphazelekayo kunye nabaphuhlisi ngokusebenzisa izinto ezicwangcisiweyo, ezinokuvavanywa - ukunciphisa kakhulu i-69% yezinga lokungaphumeleli kweprojekthi echongiweyo kwiingxelo zeshishini.

Kutheni iiprojekthi ezininzi zesoftware zisilela ngaphandle kwamaqela anezakhono?

Esona sizathu siphambili asiyotalente okanye uhlahlo lwabiwo-mali — kukungacaci. Amaqela akha izinto ekungekho mntu uzicelileyo, ikhowudi yenqanawa ekhabanayo nemithetho yeshishini, kwaye achithe iinyanga ehlaziya iinkqubo ezakhelwe kuqikelelo olungangqinwanga. I-VSDD ijongana noku ngokwenza iinkcukacha zibe ngumthombo omnye wenyaniso, iqinisekisa ukuba wonke umntu ochaphazelekayo uyavumelana kwinto eyakhiwayo phambi kokuba uphuhliso luqale, ukuthintela ulungelelwaniso olubi kakhulu kunye nokukhukuliseka komda kuwo wonke umjikelo wobomi beprojekthi.

I-VSDD ithelekisa njani neendlela ze-Agile okanye ze-Waterfall?

Ngelixa i-Agile igxininisa unikezelo oluphindaphindiweyo kwaye i-Waterfall ilandela izigaba eziqinileyo ezilandelelanayo, zombini zihlala zihlupheka ngenxa yezithuba ezicacileyo. I-VSDD izalisekisa ezi zicwangciso ngokongeza umaleko wokuqinisekisa - iinkcukacha ziqinisekisiwe ngokuchasene neemfuno zeshishini ngaphambi kokungena kuwo nawuphi na umjikelo wophuhliso. Oku kuthetha ukuba nokuba usebenza ngokubaleka okanye ngokwezigaba, wonke umsebenzi ubuyela emva kwimfuno eqinisekisiweyo, engacacanga ethe abachaphazelekayo bavunywa ngokucacileyo.

Ngaba i-VSDD ingasetyenziswa kumaqela asebenzisa amaqonga afana ne-Mewayz?

Ngokuqinisekileyo. Amaqonga afana Mewayz, i-OS yemodyuli engama-207 eqala kwi-$19/mo, sele ibekwe embindini wemisebenzi, i-automation, kunye nolawulo lweprojekthi. Ukusebenzisa imigaqo ye-VSDD ngaphakathi kwezixhobo ezinjalo kuqinisekisa ukuba ukuhamba komsebenzi wonke, ukudibanisa, kunye nenkqubo ezenzekelayo yakhiwe kwiinkcukacha eziqinisekisiweyo - ukunciphisa ukusebenza kwakhona kunye nokunceda amaqela athumele iinkqubo ezithembekileyo ngokukhawuleza kulo lonke i-stack yabo yezoshishino.