{"id":8800,"date":"2025-05-08T10:30:00","date_gmt":"2025-05-08T14:30:00","guid":{"rendered":"https:\/\/nventive.com\/?p=8800"},"modified":"2025-05-08T10:33:29","modified_gmt":"2025-05-08T14:33:29","slug":"dette-technique-les-solutions-a-mettre-en-place-tout-au-long-du-developpement","status":"publish","type":"post","link":"https:\/\/nventive.com\/fr\/articles\/dette-technique-les-solutions-a-mettre-en-place-tout-au-long-du-developpement\/","title":{"rendered":"Le guide complet de la dette technique : Bien la comprendre pour mieux la contr\u00f4ler\u00a0"},"content":{"rendered":"\t\t<div data-elementor-type=\"wp-post\" data-elementor-id=\"8800\" class=\"elementor elementor-8800\" data-elementor-post-type=\"post\">\n\t\t\t\t<div class=\"elementor-element elementor-element-5ea63162 e-flex e-con-boxed e-con e-parent\" data-id=\"5ea63162\" data-element_type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-6485dad7 elementor-widget elementor-widget-text-editor\" data-id=\"6485dad7\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p><span class=\"TextRun MacChromeBold SCXW180027024 BCX0\" lang=\"FR-CA\" xml:lang=\"FR-CA\" data-contrast=\"none\"><span class=\"NormalTextRun SCXW180027024 BCX0\">La dette, qu\u2019elle soit<\/span><span class=\"NormalTextRun SCXW180027024 BCX0\"> technique ou<\/span><span class=\"NormalTextRun SCXW180027024 BCX0\"> financi\u00e8re<\/span><span class=\"NormalTextRun SCXW180027024 BCX0\">, devient co\u00fbteuse quand on la laisse s\u2019accumuler.<\/span> <\/span><span class=\"TextRun MacChromeBold SCXW180027024 BCX0\" lang=\"FR-CA\" xml:lang=\"FR-CA\" data-contrast=\"auto\"><span class=\"NormalTextRun SCXW180027024 BCX0\">Mais bien g\u00e9r\u00e9e, <\/span><span class=\"NormalTextRun SCXW180027024 BCX0\">une dette technique<\/span> <span class=\"NormalTextRun SCXW180027024 BCX0\">peut devenir<\/span><span class=\"NormalTextRun SCXW180027024 BCX0\"> un levier d\u2019efficacit\u00e9. <\/span><span class=\"NormalTextRun SCXW180027024 BCX0\">Gr\u00e2ce \u00e0<\/span><\/span> <span class=\"TextRun MacChromeBold SCXW180027024 BCX0\" lang=\"FR-CA\" xml:lang=\"FR-CA\" data-contrast=\"auto\"><span class=\"NormalTextRun SCXW180027024 BCX0\">une maintenance r\u00e9guli\u00e8re,<\/span> <span class=\"NormalTextRun SCXW180027024 BCX0\">il <\/span><span class=\"NormalTextRun SCXW180027024 BCX0\">est possible <\/span><\/span><span class=\"TextRun MacChromeBold SCXW180027024 BCX0\" lang=\"FR-CA\" xml:lang=\"FR-CA\" data-contrast=\"none\"><span class=\"NormalTextRun SCXW180027024 BCX0\">d\u2019\u00e9viter<\/span><span class=\"NormalTextRun SCXW180027024 BCX0\"> les mauvaises surprise<\/span><span class=\"NormalTextRun SCXW180027024 BCX0\">s<\/span><span class=\"NormalTextRun SCXW180027024 BCX0\"> et<\/span> <span class=\"NormalTextRun SCXW180027024 BCX0\">les<\/span> <span class=\"NormalTextRun SCXW180027024 BCX0\">projets<\/span> <span class=\"NormalTextRun SCXW180027024 BCX0\">de modernisation co\u00fbteux<\/span><span class=\"NormalTextRun SCXW180027024 BCX0\"> et non planifi\u00e9s<\/span><span class=\"NormalTextRun SCXW180027024 BCX0\">.<\/span><span class=\"NormalTextRun SCXW180027024 BCX0\"> Voici comment.<\/span><\/span><span class=\"EOP SCXW180027024 BCX0\" data-ccp-props=\"{}\">\u00a0<\/span><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-a13c27f e-flex e-con-boxed e-con e-parent\" data-id=\"a13c27f\" data-element_type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-3b34b45 elementor-widget elementor-widget-heading\" data-id=\"3b34b45\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Votre objectif : \u00eatre proactifs dans la maintenance de votre solution num\u00e9rique\u00a0\u00a0<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-12efda69 elementor-widget elementor-widget-text-editor\" data-id=\"12efda69\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p><span data-contrast=\"none\">Une solution num\u00e9rique est vou\u00e9e \u00e0 \u00e9voluer dans le temps. Cette \u00e9volution sera \u00e0 la fois intentionnelle, men\u00e9e par une volont\u00e9 d\u2019optimisation continue, mais aussi non intentionnelle, pouss\u00e9e par les \u00e9volutions techniques qui l\u2019entourent, comme la mise \u00e0 jour n\u00e9cessaire des syst\u00e8mes (iOS, Android) ou l\u2019\u00e9volution des langages de programmation.\u00a0<\/span><span data-ccp-props=\"{}\">\u00a0<\/span><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-47c96a29 e-flex e-con-boxed e-con e-parent\" data-id=\"47c96a29\" data-element_type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-ef094fe elementor-widget elementor-widget-testimonial\" data-id=\"ef094fe\" data-element_type=\"widget\" data-widget_type=\"testimonial.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"elementor-testimonial-wrapper\">\n\t\t\t\t\t\t\t<div class=\"elementor-testimonial-content\">\u00ab Une solution num\u00e9rique ne se d\u00e9t\u00e9riore pas en soi\u202f: c\u2019est plut\u00f4t la nature changeante inh\u00e9rente \u00e0 la technologie qui rend certaines portions d\u00e9su\u00e8tes petit \u00e0 petit, jusqu\u2019\u00e0 exiger une modernisation applicative. <span data-contrast=\"auto\">\u00bb<\/span><\/div>\n\t\t\t\n\t\t\t\t\t\t<div class=\"elementor-testimonial-meta\">\n\t\t\t\t<div class=\"elementor-testimonial-meta-inner\">\n\t\t\t\t\t\n\t\t\t\t\t\t\t\t\t\t<div class=\"elementor-testimonial-details\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t<div class=\"elementor-testimonial-name\">Jos\u00e9e Barrette<\/div>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<div class=\"elementor-testimonial-job\">Gestionnaire de l\u2019\u00e9quipe Maintenance & Support<\/div>\n\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-b2babf1 e-flex e-con-boxed e-con e-parent\" data-id=\"b2babf1\" data-element_type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-f0fd557 elementor-widget elementor-widget-text-editor\" data-id=\"f0fd557\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p><span class=\"TextRun SCXW157429730 BCX0\" lang=\"FR-CA\" xml:lang=\"FR-CA\" data-contrast=\"auto\"><span class=\"NormalTextRun SCXW157429730 BCX0\">En int\u00e9grant des phases de maintenance en continu tout au long des cycles de d\u00e9veloppement, on \u00e9vite les interventions d&rsquo;urgence co\u00fbteuses, les blocages op\u00e9rationnels impr\u00e9vus et l&rsquo;accumulation de correctifs temporaires qui fragilisent la solution \u00e0 long terme. Cette approche permet \u00e9galement aux \u00e9quipes de rester en contr\u00f4le du produit et de mieux planifier les \u00e9volutions futures, plut\u00f4t que de consacrer trop de temps \u00e0 \u00e9teindre des feux.<\/span><\/span><span class=\"EOP SCXW157429730 BCX0\" data-ccp-props=\"{}\">\u00a0<\/span><\/p><p><span data-contrast=\"none\">\u00ab <\/span><i><span data-contrast=\"none\">E<\/span><\/i><i><span data-contrast=\"auto\">ffectuer les mises \u00e0 jour r\u00e9guli\u00e8rement augmente la pr\u00e9visibilit\u00e9 de celles-ci et co\u00fbte beaucoup moins cher qu\u2019une monstrueuse mise \u00e0 jour risqu\u00e9e de temps en temps<\/span><\/i><span data-contrast=\"auto\">\u202f\u00bb, nous explique <\/span><b><span data-contrast=\"auto\">Charles L\u00e9vesque<\/span><\/b><span data-contrast=\"auto\">, d\u00e9veloppeur de l\u2019\u00e9quipe de Maintenance &amp; Support. En effet, c\u2019est le moyen id\u00e9al de mitiger le risque d\u2019impr\u00e9vus et donc le risque de d\u00e9passement de budget en priorisant activement le r\u00e8glement de la dette<\/span><span data-contrast=\"none\">.<\/span><span data-ccp-props=\"{}\">\u00a0<\/span><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-d8662ca elementor-widget elementor-widget-heading\" data-id=\"d8662ca\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Comment se constitue votre dette technique? <\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-575f9f9 elementor-widget elementor-widget-text-editor\" data-id=\"575f9f9\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p><span class=\"TextRun SCXW106337011 BCX0\" lang=\"FR-CA\" xml:lang=\"FR-CA\" data-contrast=\"none\"><span class=\"NormalTextRun SCXW106337011 BCX0\">Lorsque <\/span><span class=\"NormalTextRun SCXW106337011 BCX0\">la <\/span><span class=\"NormalTextRun SCXW106337011 BCX0\">proactivit\u00e9 n\u2019est pas au rendez-vous, une <\/span><\/span><strong><span class=\"TextRun MacChromeBold SCXW106337011 BCX0\" lang=\"FR-CA\" xml:lang=\"FR-CA\" data-contrast=\"none\"><span class=\"NormalTextRun SCXW106337011 BCX0\">dette technique<\/span><\/span><\/strong><span class=\"TextRun SCXW106337011 BCX0\" lang=\"FR-CA\" xml:lang=\"FR-CA\" data-contrast=\"none\"><span class=\"NormalTextRun SCXW106337011 BCX0\"> (ou technologique) se cr\u00e9e. <\/span><span class=\"NormalTextRun SCXW106337011 BCX0\">Et comme en finances\u202f: tant qu\u2019une dette technique n\u2019est pas pay\u00e9e (<\/span><span class=\"NormalTextRun SCXW106337011 BCX0\">ou <\/span><span class=\"NormalTextRun SCXW106337011 BCX0\">corrig\u00e9e), elle accumule des int\u00e9r\u00eats.<\/span> <span class=\"NormalTextRun SCXW106337011 BCX0\">Vous le verrez, c<\/span><span class=\"NormalTextRun SCXW106337011 BCX0\">eux-ci <\/span><span class=\"NormalTextRun SCXW106337011 BCX0\">prendront <\/span><span class=\"NormalTextRun SCXW106337011 BCX0\">plusieurs formes\u202f: \u00e9rosion de l\u2019architecture logicielle, <\/span><span class=\"NormalTextRun SpellingErrorV2Themed SCXW106337011 BCX0\">r\u00e9usinage<\/span><span class=\"NormalTextRun SCXW106337011 BCX0\"> (<\/span><\/span><span class=\"TextRun SCXW106337011 BCX0\" lang=\"FR-CA\" xml:lang=\"FR-CA\" data-contrast=\"none\"><span class=\"NormalTextRun SpellingErrorV2Themed SCXW106337011 BCX0\">refactoring<\/span><\/span><span class=\"TextRun SCXW106337011 BCX0\" lang=\"FR-CA\" xml:lang=\"FR-CA\" data-contrast=\"none\"><span class=\"NormalTextRun SCXW106337011 BCX0\">), bogues\u2026 Ils peuvent m\u00eame causer des risques importants en s\u00e9curit\u00e9 ou causer de dettes techniques additionnelles<\/span><span class=\"NormalTextRun SCXW106337011 BCX0\">, <\/span><span class=\"NormalTextRun SCXW106337011 BCX0\">conduisant parfois \u00e0 une n\u00e9cessit\u00e9 de moderniser enti\u00e8rement <\/span><span class=\"NormalTextRun SCXW106337011 BCX0\">v<\/span><span class=\"NormalTextRun SCXW106337011 BCX0\">otre <\/span><span class=\"NormalTextRun SCXW106337011 BCX0\">application pour qu\u2019elle reste fonctionnelle et comp\u00e9titive.<\/span><\/span><span class=\"EOP SCXW106337011 BCX0\" data-ccp-props=\"{}\">\u00a0<\/span><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-4589d8e e-flex e-con-boxed e-con e-parent\" data-id=\"4589d8e\" data-element_type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-6cc3b8a elementor-widget elementor-widget-image\" data-id=\"6cc3b8a\" data-element_type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img fetchpriority=\"high\" decoding=\"async\" width=\"800\" height=\"445\" src=\"https:\/\/nventive.com\/app\/uploads\/maintenance-cout-dette-technique-nventive-1024x569.jpg\" class=\"attachment-large size-large wp-image-15347\" alt=\"Balance qui montre les \u00e9conomies d&#039;une maintenance r\u00e9guli\u00e8re sur sa dette technologique\" srcset=\"https:\/\/nventive.com\/app\/uploads\/maintenance-cout-dette-technique-nventive-1024x569.jpg 1024w, https:\/\/nventive.com\/app\/uploads\/maintenance-cout-dette-technique-nventive-300x167.jpg 300w, https:\/\/nventive.com\/app\/uploads\/maintenance-cout-dette-technique-nventive-768x426.jpg 768w, https:\/\/nventive.com\/app\/uploads\/maintenance-cout-dette-technique-nventive.jpg 1482w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-0d32301 e-flex e-con-boxed e-con e-parent\" data-id=\"0d32301\" data-element_type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-d409f11 elementor-widget elementor-widget-heading\" data-id=\"d409f11\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Diff\u00e9rentes approches \u00e0 la maintenance applicative <\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-075cbbb elementor-widget elementor-widget-text-editor\" data-id=\"075cbbb\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p><span data-contrast=\"none\">Il existe trois types de maintenance\u202f: <\/span><span data-ccp-props=\"{&quot;134233117&quot;:false,&quot;134233118&quot;:false,&quot;335559738&quot;:0,&quot;335559739&quot;:0}\">\u00a0<\/span><\/p><ul><li data-leveltext=\"\uf0b7\" data-font=\"Symbol\" data-listid=\"3\" data-list-defn-props=\"{&quot;335552541&quot;:1,&quot;335559685&quot;:720,&quot;335559991&quot;:360,&quot;469769226&quot;:&quot;Symbol&quot;,&quot;469769242&quot;:[8226],&quot;469777803&quot;:&quot;left&quot;,&quot;469777804&quot;:&quot;\uf0b7&quot;,&quot;469777815&quot;:&quot;hybridMultilevel&quot;}\" aria-setsize=\"-1\" data-aria-posinset=\"1\" data-aria-level=\"1\"><b><span data-contrast=\"none\">Maintenance corrective<\/span><\/b><span data-contrast=\"none\">, pour <\/span><b><span data-contrast=\"none\">corriger<\/span><\/b><span data-contrast=\"none\"> les\u202f<\/span><a href=\"https:\/\/fr.wikipedia.org\/wiki\/Bug_informatique\"><span data-contrast=\"none\">bogues informatiques<\/span><\/a><span data-contrast=\"none\">;<\/span><span data-ccp-props=\"{&quot;134233117&quot;:false,&quot;134233118&quot;:false,&quot;335559738&quot;:0,&quot;335559739&quot;:0}\">\u00a0<\/span><\/li><\/ul><ul><li data-leveltext=\"\uf0b7\" data-font=\"Symbol\" data-listid=\"3\" data-list-defn-props=\"{&quot;335552541&quot;:1,&quot;335559685&quot;:720,&quot;335559991&quot;:360,&quot;469769226&quot;:&quot;Symbol&quot;,&quot;469769242&quot;:[8226],&quot;469777803&quot;:&quot;left&quot;,&quot;469777804&quot;:&quot;\uf0b7&quot;,&quot;469777815&quot;:&quot;hybridMultilevel&quot;}\" aria-setsize=\"-1\" data-aria-posinset=\"2\" data-aria-level=\"1\"><b><span data-contrast=\"none\">Maintenance \u00e9volutive<\/span><\/b><span data-contrast=\"none\">, pour <\/span><b><span data-contrast=\"none\">ajouter<\/span><\/b><span data-contrast=\"none\"> de nouvelles fonctionnalit\u00e9s au logiciel ;\u00a0<\/span><span data-ccp-props=\"{&quot;134233117&quot;:false,&quot;134233118&quot;:false,&quot;335559738&quot;:0,&quot;335559739&quot;:0}\">\u00a0<\/span><\/li><\/ul><ul><li data-leveltext=\"\uf0b7\" data-font=\"Symbol\" data-listid=\"3\" data-list-defn-props=\"{&quot;335552541&quot;:1,&quot;335559685&quot;:720,&quot;335559991&quot;:360,&quot;469769226&quot;:&quot;Symbol&quot;,&quot;469769242&quot;:[8226],&quot;469777803&quot;:&quot;left&quot;,&quot;469777804&quot;:&quot;\uf0b7&quot;,&quot;469777815&quot;:&quot;hybridMultilevel&quot;}\" aria-setsize=\"-1\" data-aria-posinset=\"3\" data-aria-level=\"1\"><b><span data-contrast=\"none\">Maintenance performative<\/span><\/b><span data-contrast=\"none\">, pour <\/span><b><span data-contrast=\"none\">am\u00e9liorer<\/span><\/b><span data-contrast=\"none\"> la maintenabilit\u00e9 du logiciel.<\/span><span data-ccp-props=\"{&quot;134233117&quot;:false,&quot;134233118&quot;:false,&quot;335559738&quot;:0,&quot;335559739&quot;:0}\">\u00a0<\/span><\/li><\/ul><p>\u00a0<\/p><p><span data-contrast=\"none\">Le r\u00e8glement de la dette technique se situe davantage au niveau de la maintenance performative, gage de p\u00e9rennit\u00e9 d\u2019une solution num\u00e9rique. Lorsque la maintenance r\u00e9guli\u00e8re est n\u00e9glig\u00e9e trop longtemps, elle laisse place \u00e0 des projets de modernisation applicative complexes qui d\u00e9passent la simple mise \u00e0 jour et touchent \u00e0 l\u2019architecture m\u00eame de la solution.<\/span><span data-ccp-props=\"{&quot;134233117&quot;:false,&quot;134233118&quot;:false,&quot;335559738&quot;:0,&quot;335559739&quot;:0}\">\u00a0<\/span><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-b5d6064 elementor-widget elementor-widget-heading\" data-id=\"b5d6064\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Diff\u00e9rents types de dettes techniques <\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-7957062 elementor-widget elementor-widget-text-editor\" data-id=\"7957062\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>\u200b<span data-contrast=\"none\">Imaginons que vous d\u00e9cidez initialement de d\u00e9velopper votre PWA sur une seule base de code pour r\u00e9duire les co\u00fbts, ou de d\u00e9velopper une application mobile en Flutter parce que vous poss\u00e9dez d\u00e9j\u00e0 l\u2019expertise \u00e0 l\u2019interne. Si ces d\u00e9cisions semblent influencer uniquement le d\u00e9but du projet, elles ont en r\u00e9alit\u00e9 une influence sur l\u2019ampleur de la dette technique puisqu\u2019elles orienteront tous les choix technologiques tout au long du cycle de vie de la solution. Ce choix en d\u00e9but de projet marque le d\u00e9but de la dette. Elle est in\u00e9vitable, mais en la gardant \u00e0 l\u2019\u0153il, elle peut \u00eatre ma\u00eetris\u00e9e et contenue.<\/span><span data-ccp-props=\"{}\">\u00a0<\/span><\/p><p><span data-ccp-props=\"{&quot;134233117&quot;:false,&quot;134233118&quot;:false,&quot;335559738&quot;:0,&quot;335559739&quot;:0}\">\u00a0<\/span><\/p><p><span data-contrast=\"none\">Il existe plusieurs types de dettes techniques qui peuvent \u00eatre rep\u00e9r\u00e9es et prioris\u00e9es \u00e0 l\u2019aide de la m\u00e9thode SQALE (Software Quality Assessment based on Lifecycle Expectations, soit \u00c9valuation de la qualit\u00e9 logicielle selon les attentes concernant le cycle de vie). Cette m\u00e9thode repose sur neuf crit\u00e8res\u202f: r\u00e9utilisabilit\u00e9, portabilit\u00e9, s\u00e9curit\u00e9, utilisabilit\u00e9, efficacit\u00e9, alt\u00e9rabilit\u00e9, fiabilit\u00e9 et testabilit\u00e9.\u00a0<\/span><span data-ccp-props=\"{&quot;134233117&quot;:false,&quot;134233118&quot;:false,&quot;335559738&quot;:0,&quot;335559739&quot;:0}\">\u00a0<\/span><\/p><p><span data-contrast=\"none\">Voici une liste des dettes techniques les plus courantes\u202f:<\/span><span data-ccp-props=\"{&quot;134233117&quot;:false,&quot;134233118&quot;:false,&quot;335559738&quot;:0,&quot;335559739&quot;:0}\">\u00a0<\/span><\/p><ul><li data-leveltext=\"-\" data-font=\"Segoe UI\" data-listid=\"9\" data-list-defn-props=\"{&quot;134224900&quot;:true,&quot;335551671&quot;:2,&quot;335552541&quot;:1,&quot;335559685&quot;:720,&quot;335559991&quot;:360,&quot;469769226&quot;:&quot;Segoe UI&quot;,&quot;469769242&quot;:[8226],&quot;469777803&quot;:&quot;left&quot;,&quot;469777804&quot;:&quot;-&quot;,&quot;469777815&quot;:&quot;hybridMultilevel&quot;}\" aria-setsize=\"-1\" data-aria-posinset=\"2\" data-aria-level=\"1\"><b><span data-contrast=\"none\">Grande boule de boue<\/span><\/b><span data-contrast=\"none\">\u202f(<\/span><i><span data-contrast=\"none\">Big Ball of Mud<\/span><\/i><span data-contrast=\"none\">)\u202f: syst\u00e8me ou un logiciel n\u2019ayant pas d\u2019architecture \u00e9vidente. Il peut \u00eatre conseill\u00e9 de r\u00e9\u00e9crire compl\u00e8tement ce type de logiciel.<\/span><span data-ccp-props=\"{&quot;134233117&quot;:false,&quot;134233118&quot;:false,&quot;335559738&quot;:0,&quot;335559739&quot;:0}\">\u00a0<\/span><\/li><\/ul><ul><li data-leveltext=\"-\" data-font=\"Segoe UI\" data-listid=\"9\" data-list-defn-props=\"{&quot;134224900&quot;:true,&quot;335551671&quot;:2,&quot;335552541&quot;:1,&quot;335559685&quot;:720,&quot;335559991&quot;:360,&quot;469769226&quot;:&quot;Segoe UI&quot;,&quot;469769242&quot;:[8226],&quot;469777803&quot;:&quot;left&quot;,&quot;469777804&quot;:&quot;-&quot;,&quot;469777815&quot;:&quot;hybridMultilevel&quot;}\" aria-setsize=\"-1\" data-aria-posinset=\"3\" data-aria-level=\"1\"><b><span data-contrast=\"none\">\u00c9rosion de l\u2019architecture logicielle<\/span><\/b><span data-contrast=\"none\">\u202f: \u00e9cart entre l\u2019architecture pr\u00e9vue d\u2019un logiciel et son impl\u00e9mentation. L\u2019architecture d\u2019un syst\u00e8me logiciel ne permet plus de modifications puisque des changements continus introduits dans le syst\u00e8me l\u2019ont rendu impossible \u00e0 maintenir. Dans ce cas particulier, on dira alors que le syst\u00e8me est cristallis\u00e9.<\/span><span data-ccp-props=\"{&quot;134233117&quot;:false,&quot;134233118&quot;:false,&quot;335559738&quot;:0,&quot;335559739&quot;:0}\">\u00a0<\/span><\/li><\/ul><ul><li data-leveltext=\"-\" data-font=\"Segoe UI\" data-listid=\"9\" data-list-defn-props=\"{&quot;134224900&quot;:true,&quot;335551671&quot;:2,&quot;335552541&quot;:1,&quot;335559685&quot;:720,&quot;335559991&quot;:360,&quot;469769226&quot;:&quot;Segoe UI&quot;,&quot;469769242&quot;:[8226],&quot;469777803&quot;:&quot;left&quot;,&quot;469777804&quot;:&quot;-&quot;,&quot;469777815&quot;:&quot;hybridMultilevel&quot;}\" aria-setsize=\"-1\" data-aria-posinset=\"4\" data-aria-level=\"1\"><b><span data-contrast=\"none\">Programmation spaghetti<\/span><\/b><span data-contrast=\"none\">\u202f: code non structur\u00e9 et difficile \u00e0 maintenir, pouvant \u00eatre caus\u00e9 par plusieurs facteurs tels que des exigences changeantes dans un projet, l\u2019absence de r\u00e8gles de style de programmation ou une ing\u00e9nierie logicielle excessive.<\/span><span data-ccp-props=\"{&quot;134233117&quot;:false,&quot;134233118&quot;:false,&quot;335559738&quot;:0,&quot;335559739&quot;:0}\">\u00a0<\/span><\/li><\/ul><ul><li data-leveltext=\"-\" data-font=\"Segoe UI\" data-listid=\"9\" data-list-defn-props=\"{&quot;134224900&quot;:true,&quot;335551671&quot;:2,&quot;335552541&quot;:1,&quot;335559685&quot;:720,&quot;335559991&quot;:360,&quot;469769226&quot;:&quot;Segoe UI&quot;,&quot;469769242&quot;:[8226],&quot;469777803&quot;:&quot;left&quot;,&quot;469777804&quot;:&quot;-&quot;,&quot;469777815&quot;:&quot;hybridMultilevel&quot;}\" aria-setsize=\"-1\" data-aria-posinset=\"5\" data-aria-level=\"1\"><b><i><span data-contrast=\"none\">Code smell<\/span><\/i><\/b><span data-contrast=\"none\">\u202f: bien que le terme soit subjectif, il s\u2019agit d\u2019une mauvaise pratique de conception ou d\u2019impl\u00e9mentation logicielle qui conduit \u00e0 l\u2019apparition de d\u00e9fauts. Un <\/span><i><span data-contrast=\"none\">code smell<\/span><\/i><span data-contrast=\"none\"> peut ralentir le d\u00e9veloppement d\u2019une application ou d\u2019une fonctionnalit\u00e9, mais aussi causer de futurs bogues.<\/span><span data-ccp-props=\"{&quot;134233117&quot;:false,&quot;134233118&quot;:false,&quot;335559738&quot;:0,&quot;335559739&quot;:0}\">\u00a0<\/span><\/li><\/ul><ul><li data-leveltext=\"-\" data-font=\"Segoe UI\" data-listid=\"9\" data-list-defn-props=\"{&quot;134224900&quot;:true,&quot;335551671&quot;:2,&quot;335552541&quot;:1,&quot;335559685&quot;:720,&quot;335559991&quot;:360,&quot;469769226&quot;:&quot;Segoe UI&quot;,&quot;469769242&quot;:[8226],&quot;469777803&quot;:&quot;left&quot;,&quot;469777804&quot;:&quot;-&quot;,&quot;469777815&quot;:&quot;hybridMultilevel&quot;}\" aria-setsize=\"-1\" data-aria-posinset=\"6\" data-aria-level=\"1\"><b><span data-contrast=\"none\">Anti-patron<\/span><\/b><span data-contrast=\"none\">\u202f(<\/span><i><span data-contrast=\"none\">Antipattern<\/span><\/i><span data-contrast=\"none\">)\u202f: erreurs de conception logicielle h\u00e9rit\u00e9es de la phase de conception du logiciel, par l\u2019absence ou la mauvaise utilisation de mod\u00e8les de conception (<\/span><i><span data-contrast=\"none\">design pattern<\/span><\/i><span data-contrast=\"none\">). Ces erreurs ont souvent pour r\u00e9sultat une lenteur excessive du logiciel, des co\u00fbts de r\u00e9alisation ou de maintenance \u00e9lev\u00e9s, des comportements anormaux et des bogues.<\/span><span data-ccp-props=\"{&quot;134233117&quot;:false,&quot;134233118&quot;:false,&quot;335559738&quot;:0,&quot;335559739&quot;:0}\">\u00a0<\/span><\/li><\/ul>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-3239336 elementor-widget elementor-widget-heading\" data-id=\"3239336\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Cerner et corriger les dettes techniques <\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-588005a elementor-widget elementor-widget-text-editor\" data-id=\"588005a\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p><span data-contrast=\"none\">\u00ab\u202f<\/span><i><span data-contrast=\"none\">Une dette technique n\u2019est pas forc\u00e9ment mauvaise. Un d\u00e9veloppeur exp\u00e9riment\u00e9 peut introduire une dette technique consciemment afin de d\u00e9bloquer un projet ou de se conformer \u00e0 un \u00e9ch\u00e9ancier contraignant. Dans ce cas, la dette technique devrait \u00eatre nomm\u00e9e, document\u00e9e et pay\u00e9e (ou corrig\u00e9e) d\u00e8s que possible<\/span><\/i><span data-contrast=\"none\"> \u00bb, pr\u00e9cise <\/span><b><span data-contrast=\"none\">Julien Bonnier<\/span><\/b><span data-contrast=\"none\">, <\/span><span data-contrast=\"auto\">d\u00e9veloppeur de l\u2019\u00e9quipe Maintenance &amp; Support.\u00a0<\/span><span data-ccp-props=\"{}\">\u00a0<\/span><\/p><p><span data-contrast=\"auto\">\u00ab\u202f<\/span><i><span data-contrast=\"auto\">Les dettes techniques peuvent \u00eatre int\u00e9gr\u00e9es directement dans le carnet de produit (backlog) au m\u00eame titre que des fonctionnalit\u00e9s \u00e0 prioriser<\/span><\/i><span data-contrast=\"auto\">\u202f\u00bb, explique <\/span><b><span data-contrast=\"auto\">Mathieu Fillion<\/span><\/b><span data-contrast=\"auto\">, Gestionnaire de l\u2019\u00e9quipe de d\u00e9veloppement.\u00a0\u00a0<\/span><span data-ccp-props=\"{&quot;134233117&quot;:false,&quot;134233118&quot;:false,&quot;335559738&quot;:0,&quot;335559739&quot;:0}\">\u00a0<\/span><\/p><p><span data-ccp-props=\"{&quot;134233117&quot;:false,&quot;134233118&quot;:false,&quot;335559738&quot;:0,&quot;335559739&quot;:0}\">\u00a0<\/span><\/p><p><span data-contrast=\"none\">D\u00e8s l\u2019\u00e9tape de choix techniques en d\u00e9but de projet, il est important d\u2019avoir \u00e0 l\u2019esprit les notions de p\u00e9rennit\u00e9 des solutions choisies. En effet, la dette technique peut parfois \u00eatre caus\u00e9e par le choix d\u2019une solution plus facile \u00e0 d\u00e9velopper \u2013 au d\u00e9triment d\u2019une solution plus adapt\u00e9e, mais qui exige plus de travail. Il faut donc avoir une vision \u00e0 long terme pour effectuer un choix qui combine du mieux possible les imp\u00e9ratifs de <\/span><b><span data-contrast=\"none\">mise en march\u00e9 et de durabilit\u00e9<\/span><\/b><span data-contrast=\"none\">.\u00a0<\/span><span data-ccp-props=\"{}\">\u00a0<\/span><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-5e535a0 elementor-widget elementor-widget-heading\" data-id=\"5e535a0\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Garantir un code de qualit\u00e9 <\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-b9a6d32 elementor-widget elementor-widget-text-editor\" data-id=\"b9a6d32\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p><span data-contrast=\"none\">Puisque les dettes techniques peuvent fr\u00e9quemment \u00eatre caus\u00e9es par des erreurs d\u2019architecture ou de d\u00e9veloppement, les architectes et d\u00e9veloppeurs se doivent d\u2019adopter diff\u00e9rentes pratiques exemplaires pour limiter les risques de dettes techniques.\u00a0<\/span><span data-ccp-props=\"{}\">\u00a0<\/span><\/p><p><span data-contrast=\"none\">De nombreux processus sont implant\u00e9s dans le sprint afin de contrer ces \u00e9ventuelles erreurs, notamment la revue de l\u2019architecture en d\u00e9but de projet, ou la revue des codes pour chaque requ\u00eate tir\u00e9e (<\/span><i><span data-contrast=\"none\">pull request)<\/span><\/i><span data-contrast=\"none\"> lors du d\u00e9veloppement. D\u2019autres pratiques tr\u00e8s importantes s\u2019int\u00e8grent \u00e9galement dans les processus dans une optique de DevSecOps\u202f: garder les biblioth\u00e8ques \u00e0 jour ou encore avoir et conserver des pipelines de d\u00e9ploiement continu pour permettre des corrections rapides lorsqu\u2019une faille est d\u00e9cel\u00e9e.<\/span><span data-ccp-props=\"{}\">\u00a0<\/span><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-4dc861e elementor-widget elementor-widget-heading\" data-id=\"4dc861e\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Le vrai co\u00fbt de la maintenance<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-85111cf elementor-widget elementor-widget-text-editor\" data-id=\"85111cf\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p><span data-contrast=\"none\">Selon <\/span><a href=\"https:\/\/www.sciencedirect.com\/science\/article\/abs\/pii\/S0950584915000762\"><span data-contrast=\"none\">cet article<\/span><\/a><span data-contrast=\"none\">, la maintenance d\u2019une solution num\u00e9rique repr\u00e9senterait de <\/span><b><span data-contrast=\"none\">50 \u00e0 75\u202f% des co\u00fbts totaux d\u2019une solution<\/span><\/b><span data-contrast=\"none\">. Selon notre exp\u00e9rience, les projets et les ann\u00e9es, les <\/span><b><span data-contrast=\"none\">co\u00fbts r\u00e9els de maintenance<\/span><\/b><span data-contrast=\"none\">, c\u2019est-\u00e0-dire de mises \u00e0 jour des syst\u00e8mes, repr\u00e9senteront en moyenne selon les projets et selon les ann\u00e9es un co\u00fbt total de 10 \u00e0 20\u202f% de l\u2019investissement initial dans le projet. Les <\/span><b><span data-contrast=\"none\">co\u00fbts d\u2019\u00e9volution<\/span><\/b><span data-contrast=\"none\">, eux, seront diff\u00e9rents en fonction des objectifs d\u2019affaires pour chaque solution num\u00e9rique.\u00a0<\/span><span data-ccp-props=\"{}\">\u00a0<\/span><\/p><p><span data-ccp-props=\"{}\">\u00a0<\/span><\/p><p><b><span data-contrast=\"none\">\u00c0 retenir : plus la solution num\u00e9rique est maintenue de mani\u00e8re proactive, moins les co\u00fbts seront \u00e9lev\u00e9s &#8211; et impr\u00e9vus!<\/span><\/b><span data-ccp-props=\"{}\">\u00a0<\/span><\/p><p><span data-ccp-props=\"{}\">\u00a0<\/span><\/p><p><i><span data-contrast=\"none\">*Article mis \u00e0 jour le 8 mai 2025.<\/span><\/i><span data-ccp-props=\"{}\">\u00a0<\/span><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-eebd494 e-con-full e-flex e-con e-parent\" data-id=\"eebd494\" data-element_type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-432119f elementor-widget elementor-widget-template\" data-id=\"432119f\" data-element_type=\"widget\" data-widget_type=\"template.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"elementor-template\">\n\t\t\t\t\t<div data-elementor-type=\"container\" data-elementor-id=\"12184\" class=\"elementor elementor-12184\" data-elementor-post-type=\"elementor_library\">\n\t\t\t\t<div class=\"elementor-element elementor-element-40d5957e e-flex e-con-boxed e-con e-parent\" data-id=\"40d5957e\" data-element_type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t<div class=\"elementor-element elementor-element-1b78efbf e-con-full e-flex e-con e-child\" data-id=\"1b78efbf\" data-element_type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-7e14a4ef elementor-widget elementor-widget-heading\" data-id=\"7e14a4ef\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Articles en vedette<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-2902db16 elementor-widget elementor-widget-nv-button\" data-id=\"2902db16\" data-element_type=\"widget\" data-widget_type=\"nv-button.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\n                <a\n            class=\"nv-button  nv-button--style--desktop--outline-icon nv-button--style--laptop--outline-icon nv-button--style--tablet--outline-icon nv-button--style--mobile--outline-icon nv-button--theme--desktop--dark nv-button--theme--laptop--dark nv-button--theme--tablet--dark nv-button--theme--mobile--dark\" href=\"https:\/\/nventive.com\/fr\/blogue\/\" aria-label=\"Voir tous les articles\"        >\n            <span class=\"nv-button__text\">Voir tous les articles<\/span>\n            <span class=\"nv-button__icon\">\n                <i aria-hidden=\"true\" class=\"myemoji-icon my-emoji-iconarrow_right_alt\"><\/i>            <\/span>\n        <\/a>\n            \t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-2e3d033e elementor-grid-3 elementor-grid-tablet-2 elementor-grid-mobile-1 elementor-widget elementor-widget-loop-grid\" data-id=\"2e3d033e\" data-element_type=\"widget\" data-settings=\"{&quot;template_id&quot;:5334,&quot;_skin&quot;:&quot;post&quot;,&quot;columns&quot;:&quot;3&quot;,&quot;columns_tablet&quot;:&quot;2&quot;,&quot;columns_mobile&quot;:&quot;1&quot;,&quot;edit_handle_selector&quot;:&quot;[data-elementor-type=\\&quot;loop-item\\&quot;]&quot;,&quot;row_gap&quot;:{&quot;unit&quot;:&quot;px&quot;,&quot;size&quot;:&quot;&quot;,&quot;sizes&quot;:[]},&quot;row_gap_laptop&quot;:{&quot;unit&quot;:&quot;px&quot;,&quot;size&quot;:&quot;&quot;,&quot;sizes&quot;:[]},&quot;row_gap_tablet&quot;:{&quot;unit&quot;:&quot;px&quot;,&quot;size&quot;:&quot;&quot;,&quot;sizes&quot;:[]},&quot;row_gap_mobile&quot;:{&quot;unit&quot;:&quot;px&quot;,&quot;size&quot;:&quot;&quot;,&quot;sizes&quot;:[]}}\" data-widget_type=\"loop-grid.post\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"e-loop-nothing-found-message\">\n\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t","protected":false},"excerpt":{"rendered":"<p>La dette, qu\u2019elle soit technique ou financi\u00e8re, devient co\u00fbteuse quand on la laisse s\u2019accumuler. Mais bien g\u00e9r\u00e9e, une dette technique peut devenir un levier d\u2019efficacit\u00e9. Gr\u00e2ce \u00e0 une maintenance r\u00e9guli\u00e8re, il est possible d\u2019\u00e9viter les mauvaises surprises et les projets de modernisation co\u00fbteux et non planifi\u00e9s. Voici comment.\u00a0 Votre objectif : \u00eatre proactifs dans la [&hellip;]<\/p>\n","protected":false},"author":3,"featured_media":15343,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"content-type":"","_jetpack_memberships_contains_paid_content":false,"footnotes":""},"categories":[32],"tags":[55],"main_article":[],"class_list":["post-8800","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-strategie","tag-back-end-cloud"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v25.2 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Dette technique : solutions \u00e0 chaque \u00e9tape du d\u00e9veloppement| nventive<\/title>\n<meta name=\"description\" content=\"D\u00e9couvrez comment g\u00e9rer et r\u00e9duire la dette technique \u00e0 chaque \u00e9tape du d\u00e9veloppement pour assurer la r\u00e9ussite et la maintenabilit\u00e9 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