{"id":58410,"date":"2022-01-12T16:44:07","date_gmt":"2022-01-12T15:44:07","guid":{"rendered":"https:\/\/fotc.com\/?p=58410"},"modified":"2023-08-10T16:40:22","modified_gmt":"2023-08-10T14:40:22","slug":"proof-of-concept","status":"publish","type":"post","link":"https:\/\/fotc.com\/ro\/blog\/proof-of-concept\/","title":{"rendered":"Ce semnific\u0103 Proof of Concept \u00een adoptarea solu\u021biilor cloud?"},"content":{"rendered":"\n<p>Ideea din spatele unui Proof of Concept (cunoscut sub varianta PoC) este simpl\u0103. PoC reprezint\u0103 ansamblul unor demonstra\u021bii despre fezabilitatea unui concept, a unui instrument sau a unui proiect tech. \u00cenainte de a demara lucr\u0103ri pentru noi tehnologii sau noi instrumente ca parte a planului dvs de afaceri, ave\u021bi nevoie de garan\u021bii care s\u0103 valideze ideea, s\u0103 verifice ipotezele. Acest studiu de fezabilitate din punct de vedere tehnologic \u00eensumeaz\u0103 capacitatea unui Proof of Concept.<\/p>\n\n\n\n<h2 id=\"h-ce-este-poc-proof-of-concept\">Ce este PoC \u2013 Proof of Concept?<\/h2>\n\n\n\n<p>Cunoscut \u0219i sub numele de Proof of Principle, PoC este o metod\u0103 utilizat\u0103 pentru a determina aplicabilitatea \u0219i fezabilitatea proiectelor. Un Poc se poate aplica mai multor domenii \u2013 finan\u021be, asigur\u0103ri, industria tech, cinematografie, inginerie \u2013 iar metoda poate fi adoptat\u0103 at\u00e2t de c\u0103tre startup-uri, c\u00e2t \u0219i de \u00eentreprinderi mari.<\/p>\n\n\n\n<p>Mai departe, un Proof of Concept se limiteaz\u0103 doar la cerin\u021bele tehnologiei. Nu are scopul de a verifica produsul \u00een r\u00e2ndul grupului \u021bint\u0103 sau de a colecta feedback-ul utilizatorilor, ci doar de a verifica dac\u0103 implementarea unei idei date este fezabil\u0103 \u00een cadrul de lucru. Acest lucru se datoreaz\u0103 faptului c\u0103 nu exist\u0103 o re\u021bet\u0103 universal\u0103 pentru o aplica\u021bie care s\u0103 se bazeze pe un mix de medii tehnologice. &nbsp;<\/p>\n\n\n\n<p>Spre exemplu, pentru a construi un joc pentru platformele mobile, vom folosi alt limbaj de programare, cadru sau sistem de baz\u0103 de date dec\u00e2t pentru a crea o platform\u0103 global\u0103 pentru analiza inteligent\u0103 BigData. Este similar cu tehnologiile cloud \u2013 au cerin\u021be specifice care trebuie adaptate la arhitectur\u0103 \u0219i codul surs\u0103.<\/p>\n\n\n\n<p>Dezvoltarea Proof of Concept a proiectului permite determinarea fezabilit\u0103\u021bii produsului \u0219i identificarea posibilelor amenin\u021b\u0103ri \u00een procesul de construc\u021bie \u0219i dezvoltare, chiar \u00eenainte de a \u00eencepe munca dezvoltatorilor sau a echipei DevOps.<\/p>\n\n\n\n<p>Conceptul este str\u00e2ns legat de dezvoltarea de software, dar nu este exclusiv pentru acest segment. PoC este, de asemenea, utilizat, printre altele \u00een procesul de dezvoltare \u0219i testare de solu\u021bii pentru dispozitivelor electronice, \u00een faza incipient\u0103 a dezvolt\u0103rii clinice de noi medicamente sau \u00een industria filmului. Un exemplu de Proof of Concept \u00een cinematografie este o scen\u0103 de 90 de secunde pe care Zack Snyder a \u00eenregistrat-o \u00een 2004 pentru a vedea dac\u0103 de\u021bine instrumentele \u0219i cuno\u0219tin\u021bele tehnicile pentru a regiza filmul \u201e300\u201d conform viziunii sale. <a href=\"https:\/\/youtu.be\/dHQCPMRqyRU\" class=\"ek-link\">Clipul video este disponibil pe YouTube<\/a>.<\/p>\n\n\n\n<h3>Proof of Concept vs prototip<\/h3>\n\n\n\n<p>\u00cent\u00e2lnim destul de frecvent o intersectare a termenilor Proof of Concept \u0219i prototip. De\u0219i se pot \u00eenlocui \u00een anumite situa\u021bii, exist\u0103 totu\u0219i \u0219i diferen\u021be \u00eentre func\u021bionalit\u0103\u021bile acestora.<\/p>\n\n\n\n<p>Proof of Concept verific\u0103 dac\u0103 o idee dat\u0103 este fezabil\u0103 din punct de vedere tehnologic, \u00een timp ce prototipul se concentreaz\u0103 pe straturile UX (user experience) \u0219i UI (user interface). Construirea unui prototip v\u0103 permite s\u0103 oferi\u021bi forma \u0219i aspect produsului, planific\u00e2nd modul \u00een care utilizatorul va interac\u021biona cu aplica\u021bia.<\/p>\n\n\n\n<p>\u00cen procesul de creare a unui prototip, sunt folosite instrumente precum fluxuri de utilizatori, wireframes sau machete. Speciali\u0219tii UX\/UI deseneaz\u0103 calea utilizatorului \u0219i aspectul schematic al interfe\u021bei pe h\u00e2rtie, pe o tabl\u0103 sau \u00een instrumente dedicate, precum UXPin sau Adobe XD. Dup\u0103 dezvoltarea machetelor, se preg\u0103te\u0219te un prototip interactiv cu un design de interfa\u021b\u0103 grafic\u0103. Acesta poate ar\u0103ta ca o aplica\u021bie gata f\u0103cut\u0103 &#8211; inclusiv op\u021biunea de defilare a vizualiz\u0103rilor sau de a merge la urm\u0103toarele subpagini &#8211; dar nu exist\u0103 o singur\u0103 linie de cod \u00een spatele ei.<\/p>\n\n\n\n<p>\u00cen videoclipul de mai jos ve\u021bi vedea cum speciali\u0219tii Google &#8211; UX Designer \u0219i Interaction Designer &#8211; preg\u0103tesc un prototip \u00een versiune digital\u0103:<\/p>\n\n\n\n<figure class=\"wp-block-embed is-type-video is-provider-youtube wp-block-embed-youtube wp-embed-aspect-16-9 wp-has-aspect-ratio\"><div class=\"wp-block-embed__wrapper\">\n<iframe title=\"Rapid Prototyping: Digital | Google for Startups\" width=\"500\" height=\"281\" src=\"https:\/\/www.youtube.com\/embed\/KWGBGTGryFk?feature=oembed\" frameborder=\"0\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture\" allowfullscreen><\/iframe>\n<\/div><\/figure>\n\n\n\n<h3>Proof of Concept versus testarea software<\/h3>\n\n\n\n<p>Fie c\u0103 vre\u021bi s\u0103 ad\u0103uga\u021bi noi func\u021bii unui software existent sau s\u0103 construi\u021bi un soft nou de la zero, un PoC v\u0103 ajut\u0103 s\u0103 vizualiza\u021bi fezabilitatea unei idei din punct de vedere tehnologic. Per total, toat\u0103 munca din spatele unui Proof of Concept reprezint\u0103 g\u0103sirea unor r\u0103spunsuri practice pentru probleme derivate tehnologic. Astfel, un plan de concept nu are cum s\u0103 egaleze \u00eentreaga practicalitate a unei test\u0103ri software, \u00eens\u0103 poate fi motivul pentru care aceasta se poate efectua sau nu.<\/p>\n\n\n\n<h3>Proof of Concept \u0219i produsul minim viabil (Minimum Viable Product)<\/h3>\n\n\n\n<p>Minimum Viable Product (cunoscut \u0219i ca MVP) este o versiune minim\u0103 func\u021bional\u0103 a produsului. Este o aplica\u021bie care con\u021bine un set cu cele mai importante func\u021bionalit\u0103\u021bi, preg\u0103tite pentru dezvoltare ulterioar\u0103 \u0219i ad\u0103ugare de noi elemente.<\/p>\n\n\n\n<p>Proof of Concept v\u0103 permite s\u0103 valida\u021bi tehnologiile, \u00een timp ce Minimum Viable Product verific\u0103 modul \u00een care grupul \u021bint\u0103 reac\u021bioneaz\u0103 la versiunea care \u00eenglobeaz\u0103 cele mai importante caracteristici ale produsului. Scopul MVP este s\u0103 lanseze versiunea de baz\u0103 a aplica\u021biei c\u00e2t mai cur\u00e2nd posibil, s\u0103 testeze ideea \u00een r\u00e2ndul grupului \u021bint\u0103 \u0219i s\u0103 colecteze feedback. Pe baza observa\u021biilor f\u0103cute dup\u0103 primirea \u0219i utilizarea produsului, creatorii decid direc\u021bia viitoare de dezvoltare sau, \u00een func\u021bie de caz, suspendarea proiectului.<\/p>\n\n\n\n<p>De exemplu: platforma Airbnb \u00een 2007 a fost publicat\u0103 \u00een versiunea MVP sub numele \u201eAir Bed &amp; Breakfast\u201d. Minimum Viable Product a constat \u00eentrr-un site web \u0219i&#8230; o saltea \u00een camera de zi a fondatorilor aplica\u021biei, al\u0103turi de informa\u021bii despre op\u021biunea de \u00eenchiriere a unui apartament pentru weekend. Corectitudinea ideii a fost confirmat\u0103 dup\u0103 c\u00e2teva zile, c\u00e2nd peste dou\u0103zeci de persoane au r\u0103spuns reclamei.<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img width=\"1024\" height=\"698\" src=\"https:\/\/fotc.com\/app\/uploads\/2021\/08\/airbeadandbreakfast-1024x698.png\" alt=\"airbeadandbreakfast\" class=\"wp-image-28995\" srcset=\"https:\/\/fotc.com\/app\/uploads\/2021\/08\/airbeadandbreakfast-1024x698.png 1024w, https:\/\/fotc.com\/app\/uploads\/2021\/08\/airbeadandbreakfast-300x205.png 300w, https:\/\/fotc.com\/app\/uploads\/2021\/08\/airbeadandbreakfast-768x524.png 768w, https:\/\/fotc.com\/app\/uploads\/2021\/08\/airbeadandbreakfast-123x84.png 123w, https:\/\/fotc.com\/app\/uploads\/2021\/08\/airbeadandbreakfast-142x97.png 142w, https:\/\/fotc.com\/app\/uploads\/2021\/08\/airbeadandbreakfast-257x175.png 257w, https:\/\/fotc.com\/app\/uploads\/2021\/08\/airbeadandbreakfast-414x282.png 414w, https:\/\/fotc.com\/app\/uploads\/2021\/08\/airbeadandbreakfast-706x481.png 706w, https:\/\/fotc.com\/app\/uploads\/2021\/08\/airbeadandbreakfast-268x183.png 268w, https:\/\/fotc.com\/app\/uploads\/2021\/08\/airbeadandbreakfast-22x15.png 22w, https:\/\/fotc.com\/app\/uploads\/2021\/08\/airbeadandbreakfast.png 1370w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><figcaption>A\u0219a ar\u0103ta site-ul web airbedandbreakfast.com (acum denumit Airbnb.com) \u00een martie 2008. Acorda\u021bi aten\u021bie elementului important pentru versiunea MVP &#8211; butonul \u201eOfer\u0103 feedback\u201d din col\u021bul din dreapta sus. Ecranul provine din arhiva online The Wayback Machine.<\/figcaption><\/figure>\n\n\n\n<h2>Nu doar software &#8211; PoC \u00een contextul infrastructurii<\/h2>\n\n\n\n<p>Proof of Concept este (sau cel pu\u021bin este recomandat s\u0103 fie) un pas inseparabil \u00een procesul de construire a unui nou produs. Dar nu numai at\u00e2t &#8211; PoC este creat \u0219i pentru a testa un concept de schimbare, de exemplu, pentru a refactoriza \u00een mod semnificativ codul aplica\u021biei sau pentru a migra c\u0103tre o alt\u0103 infrastructur\u0103. V\u0103 permite s\u0103 indica\u021bi nu numai dac\u0103 o anumit\u0103 viziune poate fi implementat\u0103, ci \u0219i, de exemplu, c\u00e2t de ample vor fi modific\u0103rile necesare pentru a utiliza \u00een mod eficient serviciile cloud gestionate.<\/p>\n\n\n\n<p>Care sunt situa\u021biile \u00een care merit\u0103 s\u0103 faci un plan PoC pentru a analiza validitatea ideii din punct de vedere al infrastructurii?<\/p>\n\n\n\n<h3>Crearea unui nou produs cloud nativ<\/h3>\n\n\n\n<p>Cloud nativ este o abordare pentru construirea \u0219i dezvoltarea de aplica\u021bii care implic\u0103 utilizarea serviciilor cloud publice. Utilizarea instrumentelor cloud gata f\u0103cute v\u0103 permite s\u0103 publica\u021bi noi produse sau s\u0103 introduce\u021bi noi func\u021bionalit\u0103\u021bi mai rapid. De exemplu, serviciile cloud publice ale <a href=\"https:\/\/fotc.com\/ro\/google-cloud-platform\/\" class=\"ek-link\">Google Cloud Platform<\/a> includ:<\/p>\n\n\n\n<ul><li>platforma <a href=\"https:\/\/fotc.com\/ro\/blog\/kubernetes-tutorial\/\" class=\"ek-link\">Kubernetes<\/a> \u00een modelul Kubernetes-as-a-Service dedicat\u0103 gestion\u0103rii aplica\u021biei \u00een containere,<\/li><li>servicii de echilibrare a traficului precum Load Balancing,<\/li><li>modele ML \u0219i AI pre-antrenate pentru recunoa\u0219terea imaginii, analiza con\u021binutului video sau \u00een\u021belegerea textului \u0219i recunoa\u0219terea caracteristicilor emo\u021bionale ale acestuia,<\/li><li>serviciu de transcriere Speech-to-Text sau crearea de mesaje \u00een limbaj natural, <\/li><li>gestionare de baze de date SQL, NoSQL sau <a href=\"https:\/\/fotc.com\/ro\/blog\/bigquery-ce-este-tutorial\/\" class=\"ek-link\">BigQuery<\/a> &#8211; depozite de date, serviciu dedicat datelor de analiz\u0103 petabyte.<\/li><\/ul>\n\n\n\n<p>Atunci c\u00e2nd crea\u021bi o aplica\u021bie care urmeaz\u0103 s\u0103 utilizeze serviciile de cloud computing, este important s\u0103 planifica\u021bi corect nu numai arhitectura sistemului, ci \u0219i arhitectura cloud. Un arhitect cloud certificat va ajuta la selectarea \u0219i aranjarea adecvat\u0103 a elementelor sistemului \u00eentre serviciile cloud. Pentru a verifica conceptul, specialistul va crea \u0219i un Proof of Concept pentru infrastructura noului produs pentru a verifica dac\u0103 o astfel de solu\u021bie va func\u021biona \u0219i, eventual, dac\u0103 va fi rentabil\u0103, v\u0103 va oferi un nivel adecvat de scalabilitate.<\/p>\n\n\n\n<h3>Migrarea c\u0103tre cloud dintr-o alt\u0103 infrastructur\u0103<\/h3>\n\n\n\n<p>Rareori, migrarea aplica\u021biilor de pe propriul server, de pe un host sau de pe o ma\u0219in\u0103 virtual\u0103 se realizeaz\u0103 \u00een modelul lift-and-shift (ex. transferul codului surs\u0103 f\u0103r\u0103 a se face schimb\u0103ri semnificative). Chiar \u0219i atunci c\u00e2nd migra\u021bi de la o solu\u021bie cloud la alta, trebuie s\u0103 face\u021bi modific\u0103ri, deoarece nu toate serviciile cloud publice se vor suprapune 1: 1. Este adesea necesar\u0103 refactorizarea sau adaptarea arhitecturii aplica\u021biei la serviciile cloud &#8211; mai ales dac\u0103 inten\u021bion\u0103m s\u0103 extragem mai mult din cloud dec\u00e2t doar memoria \u0219i puterea de calcul a ma\u0219inilor virtuale.<\/p>\n\n\n\n<p>Dezvoltarea unui Proof of Concept \u00een acest caz va permite nu numai s\u0103 se determine dac\u0103 migrarea este posibil\u0103 conform liniilor directoare, ci \u0219i c\u00e2t de mult\u0103 refactorizare trebuie efectuat\u0103 \u0219i dac\u0103 transferul sistemului \u00een cloud va fi profitabil \u0219i benefic.<\/p>\n\n\n\n<h3>Dorin\u021ba de a cre\u0219te nivelul de adoptare a solu\u021biilor cloud<\/h3>\n\n\n\n<p>\u00cen teorie, aplica\u021bia care se afl\u0103 pe ma\u0219inile virtuale ale furnizorului de servicii cloud este deja \u00een cloud. \u00cen practic\u0103, nivelul de adoptare a cloud-ului \u00een acest caz este destul de superficial \u0219i, dac\u0103 creatorul aplica\u021biei dore\u0219te s\u0103 foloseasc\u0103 mai mult <a href=\"https:\/\/fotc.com\/ro\/blog\/cloud-computing-ce-este\/\" class=\"ek-link\">cloud computing<\/a> (de exemplu, s\u0103 transfere elemente de sistem c\u0103tre servicii gestionate), ar trebui s\u0103 introduc\u0103 modific\u0103ri \u00een arhitectura \u0219i codul aplica\u021biei. <\/p>\n\n\n\n<p>De exemplu, un dezvoltator dore\u0219te s\u0103 mute o aplica\u021bie de la ma\u0219inile virtuale din Compute Engine \u00een containere \u0219i s\u0103 foloseasc\u0103 serviciul Google Kubernetes Engine; inten\u021bioneaz\u0103 s\u0103 creasc\u0103 disponibilitatea \u0219i performan\u021ba aplica\u021biei datorit\u0103 Load Balancing \u0219i este interesat s\u0103 utilizeze o baz\u0103 de date Cloud SQL gestionat\u0103. \u00centr-o astfel de situa\u021bie, <a href=\"https:\/\/fotc.com\/ro\/blog\/cine-este-cloud-architect\/\" class=\"ek-link\">Cloud Architect<\/a> va preg\u0103ti un Proof of Concept \u021bin\u00e2nd cont de serviciile selectate (sau select\u00e2nd serviciile cloud pentru cerin\u021bele specifice) \u0219i rul\u00e2nd pe acestea un exemplu de cod surs\u0103 furnizat de client.<\/p>\n\n\n\n<h2>Construirea unui PoC \u00een cloud al\u0103turi de un partener Google Cloud<\/h2>\n\n\n\n<p>Indiferent dac\u0103 inten\u021biona\u021bi s\u0103 construi\u021bi o aplica\u021bie nativ\u0103 cloud de la zero, sunte\u021bi \u00eenclinat s\u0103 migra\u021bi \u0219i s\u0103 utiliza\u021bi servicii de cloud computing sau dori\u021bi s\u0103 cre\u0219te\u021bi nivelul de adoptare a cloud-ului, este indicat s\u0103 construi\u021bi un PoC folosind cuno\u0219tin\u021bele \u0219i experien\u021ba arhitec\u021bilor cloud. PoC va permite s\u0103 se evalueze posibilitatea implement\u0103rii, care sunt poten\u021bialele riscuri \u0219i dac\u0103 calea aleas\u0103 va fi optim\u0103 pe termen lung din punct de vedere financiar.<\/p>\n\n\n\n<p><a href=\"https:\/\/fotc.com\/ro\/contact\/\" class=\"ek-link\">FOTC<\/a>, \u00een calitate de partener oficial Google Cloud, ofer\u0103 suport nu numai \u00een dezvoltarea Proof of Concept, ci \u0219i \u00een domeniul finan\u021b\u0103rii infrastructurii cloud.<\/p>\n\n\n\n<p>Cum anume \u00ee\u0219i sprijin\u0103 Partenerul Google FOTC clien\u021bii?<\/p>\n\n\n\n<ul><li><strong>Sesiuni de brainstorming \u0219i ateliere de design<\/strong>. Ne familiariz\u0103m cu ideea \u0219i cerin\u021bele dvs. \u0219i desen\u0103m o diagram\u0103 a arhitecturii cloud. Desf\u0103\u0219ur\u0103m sesiuni at\u00e2t pentru noi produse native cloud, c\u00e2t \u0219i pentru aplica\u021bii care urmeaz\u0103 s\u0103 fie migrate, tot dintr-un alt cloud public.<\/li><li><strong>Implicarea speciali\u0219tilor certifica\u021bi \u00een cloud<\/strong>. Exper\u021bi, at\u00e2t \u00een \u200b\u200bdomeniul de customer service, c\u00e2t \u0219i \u00een implementarea ipotezelor de business, precum \u0219i arhitec\u021bi \u0219i ingineri cloud cu experien\u021b\u0103 sunt prezen\u021bi la fiecare etap\u0103. Dac\u0103 este necesar, angaj\u0103m speciali\u0219ti Customer Engineers din partea Google Cloud pentru implementarea PoC \u0219i a altor activit\u0103\u021bi.<\/li><li><strong>Acoperirea unei p\u0103r\u021bi din costurile legate de \u00eentre\u021binerea infrastructurii GCP<\/strong>. Pentru companiile care doresc s\u0103 testeze o idee nou\u0103 \u00een cloud sau s\u0103 construiasc\u0103 o dovad\u0103 de concept care ia \u00een considerare serviciile GCP neutilizate anterior, oferim credite gratuite pentru a acoperi costurile de infrastructur\u0103 (5-10% din costul serviciilor GCP cu cheltuieli minime anuale de 60.000 USD). \u00cen plus, noii clien\u021bi FOTC pot conta pe primirea unui voucher de 500 USD valabil timp de un an.<\/li><\/ul>\n\n\n\n<p>Vrei\u021bi s\u0103 fi\u021bi siguri c\u0103 ideea dvs, este fezabil\u0103 \u0219i c\u0103 nu va consuma \u00eentreg bugetul \u00een c\u00e2teva s\u0103pt\u0103m\u00e2ni? Profita\u021bi de experien\u021ba, cuno\u0219tin\u021bele \u0219i sprijinul financiar pe care \u00eel oferim. V\u0103 rug\u0103m <a href=\"https:\/\/fotc.com\/ro\/contact\/\" class=\"ek-link\">s\u0103 ne contacta\u021bi pentru asisten\u021b\u0103 pas cu pas<\/a>.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Ideea din spatele unui Proof of Concept (cunoscut sub varianta PoC) este simpl\u0103. PoC reprezint\u0103 ansamblul unor demonstra\u021bii despre fezabilitatea unui concept, a unui instrument sau a unui proiect tech. \u00cenainte de a demara lucr\u0103ri pentru noi tehnologii sau noi instrumente ca parte a planului dvs de afaceri, ave\u021bi nevoie de garan\u021bii care s\u0103 valideze&#8230;<\/p>\n","protected":false},"author":19,"featured_media":60083,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_editorskit_title_hidden":false,"_editorskit_reading_time":7,"_editorskit_typography_data":[],"_editorskit_blocks_typography":"","_editorskit_is_block_options_detached":false,"_editorskit_block_options_position":"{}"},"categories":[562,276],"tags":[806,805,804],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v16.7 (Yoast SEO v19.6) - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Ce semnific\u0103 Proof of Concept \u00een adoptarea solu\u021biilor cloud?<\/title>\n<meta name=\"description\" content=\"Dezvolta\u021bi o aplica\u021bie nativ\u0103 \u00een cloud sau planifica\u021bi migrarea \u00een cloud? 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