{"id":3094,"date":"2019-10-04T00:00:00","date_gmt":"2019-10-04T00:00:00","guid":{"rendered":"http:\/\/the-codest.localhost\/blog\/codests-good-practices-for-building-software-how-do-we-implement-the-requirement-analysis\/"},"modified":"2026-04-24T08:49:39","modified_gmt":"2026-04-24T08:49:39","slug":"codests-good-practices-for-building-software-how-do-we-implement-the-requirement-analysis","status":"publish","type":"post","link":"https:\/\/thecodest.co\/fr\/blog\/codests-good-practices-for-building-software-how-do-we-implement-the-requirement-analysis\/","title":{"rendered":"Comment mettre en \u0153uvre l'analyse des besoins ?"},"content":{"rendered":"<h2><strong>\u00c0 quoi ressemble le processus de planification ?<\/strong><\/h2>\n<p>L'analyse des besoins est incluse dans le processus de planification qui, \u00e0 son tour, devrait \u00eatre le suivant :<\/p>\n<ol>\n<li>A <a href=\"https:\/\/thecodest.co\/fr\/dictionary\/why-do-projects-fail\/\">projet<\/a> qui d\u00e9crit la vision finale de l'entreprise. <a href=\"https:\/\/thecodest.co\/fr\/dictionary\/how-to-make-product\/\">produit<\/a> \u00e0 cr\u00e9er.<\/li>\n<li>Un plan d'action g\u00e9n\u00e9ral ou une id\u00e9e qui d\u00e9finit ce qu'il faut faire pour atteindre nos objectifs.<\/li>\n<li>Liste des t\u00e2ches de base qui d\u00e9terminent les \u00e9tapes du travail sur le projet.<\/li>\n<li>La planification du temps, dans laquelle nous d\u00e9finissons ce qui doit \u00eatre livr\u00e9 et \u00e0 quel moment.<\/li>\n<li>Planification d\u00e9taill\u00e9e des t\u00e2ches individuelles cr\u00e9\u00e9es au cours de la troisi\u00e8me \u00e9tape.<\/li>\n<\/ol>\n<p>L'analyse des besoins couvre les trois premiers points du processus de planification.<\/p>\n<h2><strong>Vision du projet<\/strong><\/h2>\n<p>\u00c0 ce stade, il convient de se poser quelques questions fondamentales :<\/p>\n<h3>1. <strong>Que voulons-nous faire ?<\/strong><\/h3>\n<p>Certes, \u00e0 ce stade, nous sommes d\u00e9j\u00e0 conscients de ce que nous recherchons et l'id\u00e9e du projet a \u00e9t\u00e9 pr\u00e9sent\u00e9e et r\u00e9fl\u00e9chie depuis longtemps, mais il vaut la peine d'y r\u00e9fl\u00e9chir de mani\u00e8re plus approfondie. Peut-\u00eatre d\u00e9couvrirons-nous de nouvelles questions qui m\u00e9ritent d'\u00eatre expliqu\u00e9es. Les questions suivantes peuvent \u00eatre utiles \u00e0 cet \u00e9gard :<\/p>\n<ul>\n<li>Quel probl\u00e8me ce projet doit-il r\u00e9soudre ?<\/li>\n<li>Qui sera son utilisateur final ?<\/li>\n<li>Sommes-nous en train de cr\u00e9er une interface pour les utilisateurs ? Sa cr\u00e9ation est-elle pr\u00e9vue dans le futur ? Le type d'interface que nous cr\u00e9ons (bureau ou mobile) a-t-il \u00e9t\u00e9 d\u00e9termin\u00e9 ? Sommes-nous int\u00e9ress\u00e9s par le RWD ?<\/li>\n<li>Existe-t-il des applications similaires ? Quels sont leurs avantages et leurs inconv\u00e9nients ?<\/li>\n<li>Le projet a-t-il d\u00e9j\u00e0 fait l'objet d'une conception initiale ou d'une maquette ?<\/li>\n<li>Le projet d\u00e9pendra-t-il d'applications externes ? Connaissent-elles ou ont-elles des limites ?<\/li>\n<li>Conna\u00eet-on les performances attendues et le niveau de s\u00e9curit\u00e9 ?<\/li>\n<\/ul>\n<p><img decoding=\"async\" src=\"\/app\/uploads\/2024\/05\/software-development-project-1.jpg\" alt=\"Projet de d\u00e9veloppement de logiciels\" \/><\/p>\n<h3>2. <strong>Quelles sont les exigences ?<\/strong><\/h3>\n<p>Le moment est venu d'\u00e9tablir une liste des exigences fix\u00e9es pour le projet. En plus des exigences fonctionnelles, nous sp\u00e9cifions celles qui ne sont pas li\u00e9es aux fonctionnalit\u00e9s : convivialit\u00e9, r\u00e9activit\u00e9, rapidit\u00e9, performance et s\u00e9curit\u00e9.<\/p>\n<p>Laisser <a href=\"https:\/\/thecodest.co\/fr\/blog\/why-us-companies-are-opting-for-polish-developers\/\">nous<\/a> v\u00e9rifier si chacune des exigences r\u00e9pond aux crit\u00e8res suivants :<\/p>\n<ul>\n<li>est compl\u00e8te - nous en avons une image compl\u00e8te,<\/li>\n<li>est correcte, sinc\u00e8re et attendue,<\/li>\n<li>est r\u00e9alisable - r\u00e9alisable et les autres exigences ne l'annulent pas,<\/li>\n<li>est n\u00e9cessaire - il est n\u00e9cessaire au fonctionnement du syst\u00e8me ou exig\u00e9 par le client,<\/li>\n<li>est sans ambigu\u00eft\u00e9 - lisible et impossible \u00e0 mal interpr\u00e9ter,<\/li>\n<li>est v\u00e9rifiable - apr\u00e8s la mise en \u0153uvre, par l'observation et les essais, il est possible de d\u00e9terminer si cette exigence a \u00e9t\u00e9 respect\u00e9e ou non.<\/li>\n<\/ul>\n<h3>3. <strong>Quel est l'objectif final ?<\/strong><\/h3>\n<p>Il vaut la peine de cr\u00e9er une visualisation simple du fonctionnement du projet. Rien n'aide plus \u00e0 comprendre l'id\u00e9e du projet que de dessiner un flux de base ou d'\u00e9crire simplement sur le tableau en quelques points ce qui doit se passer \u00e0 tour de r\u00f4le. Dans le cas d'une application dot\u00e9e d'une interface utilisateur, l'id\u00e9al est de disposer des maquettes les plus simples.<\/p>\n<h3>4. <strong>Quelles sont les priorit\u00e9s ?<\/strong><\/h3>\n<p>Tout comme pour la construction d'une maison, les projets informatiques doivent partir de z\u00e9ro au d\u00e9but et s'orienter ensuite vers ce dont vous avez le plus besoin. Au d\u00e9part, sur la base de la liste des besoins, il est donc n\u00e9cessaire de sp\u00e9cifier une liste de toutes les fonctions possibles qu'un projet donn\u00e9 ex\u00e9cutera, puis de se mettre d'accord sur celles qui ont la plus haute priorit\u00e9 et qui doivent \u00eatre r\u00e9alis\u00e9es d\u00e8s que possible, et sur celles qui sont du type \"nice-to-have\" (agr\u00e9able \u00e0 avoir).<\/p>\n<p>Le r\u00e9sultat de l'ensemble de la phase de visualisation du projet devrait \u00eatre une image g\u00e9n\u00e9rale de la mani\u00e8re dont le projet devrait fonctionner, que ce soit par le biais de maquettes ou du flux d'activit\u00e9s dessin\u00e9. Nous devrions \u00e9galement recevoir une liste de toutes les fonctions possibles qu'un projet donn\u00e9 doit remplir et savoir quelle est la priorit\u00e9 de chacune d'entre elles.<\/p>\n<p>La visualisation du projet est un moment cl\u00e9 de l'analyse des besoins. Elle permet de comprendre en profondeur l'essence du probl\u00e8me, et plus le mat\u00e9riel illustrant le probl\u00e8me est de qualit\u00e9, plus les \u00e9tapes suivantes de la planification seront efficaces.<\/p>\n<p><img decoding=\"async\" src=\"\/app\/uploads\/2024\/05\/software-development-specification-1.jpg\" alt=\"Sp\u00e9cification du d\u00e9veloppement de logiciels\" \/><\/p>\n<h2><strong>Plan d'action<\/strong><\/h2>\n<p>\u00c0 ce stade, nous d\u00e9terminons d\u00e9j\u00e0 comment nous imaginons le fonctionnement du projet dans son ensemble. Il est bon d'avoir quelques id\u00e9es de mise en \u0153uvre, de r\u00e9fl\u00e9chir et de discuter de chacune d'entre elles, et de mettre en \u00e9vidence leurs faiblesses et leurs points forts. Il est \u00e9galement int\u00e9ressant de d\u00e9tailler ici une id\u00e9e choisie, voire toutes les id\u00e9es.<\/p>\n<p>Cette \u00e9tape est \u00e9galement l'occasion de se pencher sur des questions purement technologiques, non seulement en ce qui concerne le langage ou le cadre dans lequel le projet sera r\u00e9dig\u00e9, mais aussi en ce qui concerne les outils suppl\u00e9mentaires dont nous aurons besoin. <a href=\"https:\/\/thecodest.co\/fr\/case-studies\/how-the-codest-helped-bright-launch-a-scalable-edtech-platform\/\">AWS<\/a> ou peut-\u00eatre autre chose. Si nous h\u00e9sitons entre certaines technologies ou si nous ne savons pas quoi utiliser, il vaut la peine de reporter une telle d\u00e9cision dans le temps et de la d\u00e9l\u00e9guer \u00e0 une t\u00e2che de recherche. Bien s\u00fbr, nous ne pouvons le faire que si la planification ult\u00e9rieure n'est pas bloqu\u00e9e par cette recherche. Dans le cas contraire, nous pouvons en toute s\u00e9curit\u00e9 les rattacher aux t\u00e2ches de la <a href=\"https:\/\/thecodest.co\/fr\/dictionary\/what-is-sprint-backlog\/\">sprint<\/a>.<\/p>\n<h2><strong>Principales t\u00e2ches<\/strong><\/h2>\n<p>Une fois le plan du projet \u00e9tabli, nous proc\u00e9dons \u00e0 la d\u00e9finition des t\u00e2ches principales, qui seront ensuite discut\u00e9es en d\u00e9tail et d\u00e9compos\u00e9es en t\u00e2ches plus petites par l'\u00e9quipe de projet. <a href=\"https:\/\/thecodest.co\/fr\/blog\/how-to-hire-the-best-outsourced-development-team-for-a-scaleup\/\">\u00e9quipe de d\u00e9veloppement<\/a> lors de la planification d'un nouveau sprint. Il est important de d\u00e9crire chaque t\u00e2che aussi pr\u00e9cis\u00e9ment que possible.<\/p>\n<h2><strong>R\u00e9sum\u00e9<\/strong><\/h2>\n<p>Comme indiqu\u00e9 pr\u00e9c\u00e9demment, le processus d'analyse des besoins varie en fonction de la complexit\u00e9 du projet. Il y a des probl\u00e8mes plus faciles et plus difficiles, et il y a aussi ceux qui ont d\u00e9j\u00e0 \u00e9t\u00e9 r\u00e9solus par quelqu'un et ceux qui sont compl\u00e8tement nouveaux et sur lesquels il faut s'arr\u00eater plus longtemps. Quoi qu'il en soit, il y a quelques conseils importants \u00e0 garder \u00e0 l'esprit :<\/p>\n<ul>\n<li>La communication. Il s'agit de l'\u00e9l\u00e9ment le plus important du cycle de vie de tout projet ; tout doit \u00eatre clairement d\u00e9fini et expliqu\u00e9.<\/li>\n<li>Comprendre rapidement le probl\u00e8me. C'est une bonne chose que la documentation du projet soit r\u00e9dig\u00e9e, mais n'oublions pas qu'elle doit \u00eatre aussi concise que possible et qu'elle ne doit pas faire mille pages. Chaque membre de l'\u00e9quipe de d\u00e9veloppement <a href=\"https:\/\/thecodest.co\/fr\/blog\/best-practices-for-building-a-strong-and-cohesive-team\/\">\u00e9quipe<\/a> doit y avoir acc\u00e8s et doit pouvoir comprendre rapidement la vision du projet.<\/li>\n<li>La simplicit\u00e9 avant tout. Essayons de rendre nos projets aussi simples que possible, choisissons des solutions plus simples qui pourront \u00eatre facilement d\u00e9velopp\u00e9es \u00e0 l'avenir, ou abandonnons-les lorsque le besoin s'en fera sentir.<\/li>\n<li>Vous n'en aurez pas besoin. \u00c9tant donn\u00e9 qu'en programmation, nous sommes guid\u00e9s par le principe de YAGNI, ici, nous l'avons \u00e0 l'arri\u00e8re de la t\u00eate et nous n'acc\u00e9l\u00e9rons pas trop.<\/li>\n<li>Les changements. Ne les craignons pas ; t\u00f4t ou tard, chaque projet en a besoin. En outre, ne nous faisons pas d'illusions en pensant que ce que nous planifions aujourd'hui fonctionnera toujours. En m\u00eame temps, nous ne devons pas consid\u00e9rer les changements comme quelque chose de mauvais et d'ind\u00e9sirable. Les changements devraient \u00eatre synonymes d'am\u00e9lioration, et c'est ce que nous voulons : que le projet soit le meilleur.<\/li>\n<li>Le temps. Ne laissons pas la planification prendre trop de temps et s'\u00e9terniser. Si un probl\u00e8me nous bloque, cherchons des solutions \u00e0 l'ext\u00e9rieur ou choisissons l'option la plus facile.<\/li>\n<\/ul>\n<p>Il est toujours utile de se rappeler les aspects ci-dessus lors de l'analyse des besoins, afin que celle-ci se d\u00e9roule sans heurts et constitue la base d'un projet bien planifi\u00e9.<\/p>\n<p><strong>En savoir plus :<\/strong><\/p>\n<ul>\n<li><strong><a href=\"https:\/\/thecodest.co\/blog\/what-is-the-best-project-management-approach-to-software-development\/\">Quelle est la meilleure approche de gestion de projet pour le d\u00e9veloppement de logiciels ?<\/a><\/strong><\/li>\n<li><strong><a href=\"https:\/\/thecodest.co\/blog\/codests-good-practices-for-building-software-our-approach-to-customer-journey\/\">Les bonnes pratiques de Codest pour la cr\u00e9ation de logiciels. Notre approche du parcours client<\/a><\/strong><\/li>\n<li><strong><a href=\"https:\/\/thecodest.co\/blog\/a-quick-guide-to-building-and-developing-your-own-marketplace-what-is-worth-to-know\/\">Un guide rapide pour cr\u00e9er et d\u00e9velopper votre propre place de march\u00e9. Que faut-il savoir ?<\/a><\/strong><\/li>\n<\/ul>","protected":false},"excerpt":{"rendered":"<p>L'objectif de l'analyse des besoins est de cr\u00e9er un sch\u00e9ma g\u00e9n\u00e9ral du fonctionnement du projet, d'\u00e9tablir un plan d'action \u00e0 travers lequel le projet sera mis en \u0153uvre et, si possible, d'identifier les outils \u00e0 utiliser. Il n'y a pas de recette simple pour l'analyse des besoins.<\/p>","protected":false},"author":2,"featured_media":3095,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"inline_featured_image":false,"footnotes":""},"categories":[10],"tags":[],"class_list":["post-3094","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-project-management"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v27.3 (Yoast SEO v27.3) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>How do we implement the requirement analysis? - The Codest<\/title>\n<meta name=\"description\" content=\"The purpose of the requirement analysis is to create a general outline of the project&#039;s operation, establish an action plan through which the project will be implemented, and, if possible, identify the tools to be used.\u00a0There is no simple recipe for requirement analysis.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/thecodest.co\/fr\/blog\/codests-good-practices-for-building-software-how-do-we-implement-the-requirement-analysis\/\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"How do we implement the requirement analysis?\" \/>\n<meta property=\"og:description\" content=\"The purpose of the requirement analysis is to create a general outline of the project&#039;s operation, establish an action plan through which the project will be implemented, and, if possible, identify the tools to be used.\u00a0There is no simple recipe for requirement analysis.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/thecodest.co\/fr\/blog\/codests-good-practices-for-building-software-how-do-we-implement-the-requirement-analysis\/\" \/>\n<meta property=\"og:site_name\" content=\"The Codest\" \/>\n<meta property=\"article:published_time\" content=\"2019-10-04T00:00:00+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2026-04-24T08:49:39+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/thecodest.co\/app\/uploads\/2024\/05\/cover-image-33.jpg\" \/>\n\t<meta property=\"og:image:width\" content=\"1920\" \/>\n\t<meta property=\"og:image:height\" content=\"1080\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/jpeg\" \/>\n<meta name=\"author\" content=\"thecodest\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Written by\" \/>\n\t<meta name=\"twitter:data1\" content=\"thecodest\" \/>\n\t<meta name=\"twitter:label2\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data2\" content=\"6 minutes\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\\\/\\\/thecodest.co\\\/blog\\\/codests-good-practices-for-building-software-how-do-we-implement-the-requirement-analysis\\\/#article\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/thecodest.co\\\/blog\\\/codests-good-practices-for-building-software-how-do-we-implement-the-requirement-analysis\\\/\"},\"author\":{\"name\":\"thecodest\",\"@id\":\"https:\\\/\\\/thecodest.co\\\/#\\\/schema\\\/person\\\/7e3fe41dfa4f4e41a7baad4c6e0d4f76\"},\"headline\":\"How do we implement the requirement analysis?\",\"datePublished\":\"2019-10-04T00:00:00+00:00\",\"dateModified\":\"2026-04-24T08:49:39+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\\\/\\\/thecodest.co\\\/blog\\\/codests-good-practices-for-building-software-how-do-we-implement-the-requirement-analysis\\\/\"},\"wordCount\":1187,\"commentCount\":0,\"publisher\":{\"@id\":\"https:\\\/\\\/thecodest.co\\\/#organization\"},\"image\":{\"@id\":\"https:\\\/\\\/thecodest.co\\\/blog\\\/codests-good-practices-for-building-software-how-do-we-implement-the-requirement-analysis\\\/#primaryimage\"},\"thumbnailUrl\":\"https:\\\/\\\/thecodest.co\\\/app\\\/uploads\\\/2024\\\/05\\\/cover-image-33.jpg\",\"articleSection\":[\"Project Management\"],\"inLanguage\":\"fr-FR\",\"potentialAction\":[{\"@type\":\"CommentAction\",\"name\":\"Comment\",\"target\":[\"https:\\\/\\\/thecodest.co\\\/blog\\\/codests-good-practices-for-building-software-how-do-we-implement-the-requirement-analysis\\\/#respond\"]}]},{\"@type\":\"WebPage\",\"@id\":\"https:\\\/\\\/thecodest.co\\\/blog\\\/codests-good-practices-for-building-software-how-do-we-implement-the-requirement-analysis\\\/\",\"url\":\"https:\\\/\\\/thecodest.co\\\/blog\\\/codests-good-practices-for-building-software-how-do-we-implement-the-requirement-analysis\\\/\",\"name\":\"How do we implement the requirement analysis? 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