{"id":987517310,"date":"2024-02-19T14:23:07","date_gmt":"2024-02-19T14:23:07","guid":{"rendered":"https:\/\/pmchampions.com\/?p=987517310"},"modified":"2024-02-19T16:08:45","modified_gmt":"2024-02-19T16:08:45","slug":"gestion-du-perimetre-du-projet","status":"publish","type":"post","link":"https:\/\/pmchampions.com\/fr\/gestion-du-perimetre-du-projet\/","title":{"rendered":"Gestion du p\u00e9rim\u00e8tre du projet"},"content":{"rendered":"\n[et_pb_section fb_built=&#8221;1&#8243; _builder_version=&#8221;4.23.1&#8243; _module_preset=&#8221;default&#8221; global_colors_info=&#8221;{}&#8221; theme_builder_area=&#8221;post_content&#8221;][et_pb_row _builder_version=&#8221;4.23.1&#8243; _module_preset=&#8221;default&#8221; global_colors_info=&#8221;{}&#8221; theme_builder_area=&#8221;post_content&#8221;][et_pb_column type=&#8221;4_4&#8243; _builder_version=&#8221;4.23.1&#8243; _module_preset=&#8221;default&#8221; global_colors_info=&#8221;{}&#8221; theme_builder_area=&#8221;post_content&#8221;][et_pb_image src=&#8221;https:\/\/pmchampions.com\/wp-content\/uploads\/2024\/02\/Scope-Management-fr.png&#8221; alt=&#8221;Risks&#8221; title_text=&#8221;Scope-Management-fr&#8221; _builder_version=&#8221;4.23.1&#8243; _module_preset=&#8221;default&#8221; global_colors_info=&#8221;{}&#8221; theme_builder_area=&#8221;post_content&#8221;][\/et_pb_image][pac_divi_table_of_contents title=&#8221;Sommaire&#8221; collapse_when_sticky=&#8221;on&#8221; opened_icon=&#8221;&#x3a;||divi||400&#8243; closed_icon=&#8221;&#x3b;||divi||400&#8243; included_headings=&#8221;off|on|on|off|off|off&#8221; exclude_headings_by_class=&#8221;on&#8221; show_keyword_highlight=&#8221;on&#8221; show_keyword_highlight_placeholder=&#8221;Mots Cl\u00e9s &#8230;&#8221; title_container_bg_color=&#8221;#1a9e21&#8243; body_area_height=&#8221;650px&#8221; body_area_scroll_color=&#8221;#606060&#8243; body_area_text_link_color=&#8221;#595959&#8243; body_area_text_link_underline=&#8221;#007ce2&#8243; body_area_text_link_padding=&#8221;10px|0px|0px|0px|false|false&#8221; _builder_version=&#8221;4.23.1&#8243; _module_preset=&#8221;default&#8221; title_font_font=&#8221;Quicksand||||||||&#8221; heading_all_font=&#8221;|600|||||||&#8221; heading_all_font_size=&#8221;18px&#8221; marker_all_font=&#8221;|600|||||||&#8221; marker_all_text_color=&#8221;#595959&#8243; motion_trigger_start=&#8221;top&#8221; heading_all_font_size_tablet=&#8221;15px&#8221; heading_all_font_size_phone=&#8221;15px&#8221; heading_all_font_size_last_edited=&#8221;on|phone&#8221; border_radii=&#8221;on|10px|10px|10px|10px&#8221; border_color_all=&#8221;RGBA(255,255,255,0)&#8221; border_radii_title_container=&#8221;off|10px|10px|0px|0px&#8221; border_radii_body_area=&#8221;off|0px|0px|10px|10px&#8221; border_width_all_body_area=&#8221;3px&#8221; border_color_all_body_area=&#8221;RGBA(255,255,255,0)&#8221; box_shadow_style=&#8221;preset2&#8243; global_colors_info=&#8221;{}&#8221; theme_builder_area=&#8221;post_content&#8221;][\/pac_divi_table_of_contents][\/et_pb_column][\/et_pb_row][\/et_pb_section][et_pb_section fb_built=&#8221;1&#8243; _builder_version=&#8221;4.23.1&#8243; _module_preset=&#8221;default&#8221; background_color=&#8221;#f0f3f6&#8243; custom_padding=&#8221;0px||0px|||&#8221; global_colors_info=&#8221;{}&#8221; theme_builder_area=&#8221;post_content&#8221;][et_pb_row _builder_version=&#8221;4.23.1&#8243; _module_preset=&#8221;default&#8221; global_colors_info=&#8221;{}&#8221; theme_builder_area=&#8221;post_content&#8221;][et_pb_column type=&#8221;4_4&#8243; _builder_version=&#8221;4.23.1&#8243; _module_preset=&#8221;default&#8221; global_colors_info=&#8221;{}&#8221; theme_builder_area=&#8221;post_content&#8221;][et_pb_text _builder_version=&#8221;4.23.1&#8243; _module_preset=&#8221;default&#8221; global_colors_info=&#8221;{}&#8221; theme_builder_area=&#8221;post_content&#8221;]<div class=\"ControlZone ControlZone--clean a_b_50a7110f\" data-automation-id=\"CanvasControl\" id=\"cb33b57f-7ebe-44dd-a7d8-51b1a8786501\">\n<div class=\"ControlZone--control\">\n<div data-sp-feature-tag=\"Rich Text Editor\" class=\"rte-webpart rte--ck5 rte--read-ck5 headerFontSizeLegacy uniformSpacingForElements\" data-sp-feature-instance-id=\"cb33b57f-7ebe-44dd-a7d8-51b1a8786501\" dir=\"auto\">\n<div data-automation-id=\"textBox\" class=\"ck-content rteEmphasis root-179\">\n<blockquote>\n<p><span class=\"fontSizeXSmall\">\u200b\u200b\u200b\u200b\u200b<\/span><span class=\"fontSizeLarge\"><span class=\"fontColorNeutralDark\">\u201c<\/span><i><span class=\"fontColorNeutralDark\">On n&#8217;ex\u00e9cute pas tout ce qui se propose ; Et le chemin est long du projet \u00e0 la chose<\/span><\/i><span class=\"fontColorNeutralDark\">\u201d<\/span><\/span><\/p>\n<p><em><strong>Jean-Baptiste Poquelin, dit Moli\u00e8re\u200b\u200b\u200b\u200b\u200b\u200b\u200b\u200b\u200b\u200b\u200b\u200b\u200b\u200b<\/strong><\/em><\/p>\n<\/blockquote>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<div class=\"ControlZone ControlZone--clean a_b_50a7110f\" data-automation-id=\"CanvasControl\" id=\"8b34bc46-447f-41c5-8331-4c5f9c12197f\">\n<div class=\"ControlZone--control\">\n<div id=\"vpc_WebPart.DividerWebPart.internal.8b34bc46-447f-41c5-8331-4c5f9c12197f\" data-viewport-id=\"WebPart.DividerWebPart.internal.8b34bc46-447f-41c5-8331-4c5f9c12197f\">\n<div data-sp-feature-tag=\"DividerWebPart web part (S\u00e9parateur)\" data-sp-feature-instance-id=\"8b34bc46-447f-41c5-8331-4c5f9c12197f\" data-sp-web-part-id=\"2161a1c6-db61-4731-b97c-3cdb303f7cbb\"><\/div>\n<\/div>\n<\/div>\n<\/div>[\/et_pb_text][dipl_separator seprator_thickness=&#8221;1px&#8221; separator_color=&#8221;rgba(0,0,0,0.54)&#8221; _builder_version=&#8221;4.23.1&#8243; _module_preset=&#8221;default&#8221; global_colors_info=&#8221;{}&#8221; theme_builder_area=&#8221;post_content&#8221;][\/dipl_separator][et_pb_text module_class=&#8221;blue-list&#8221; _builder_version=&#8221;4.23.1&#8243; _module_preset=&#8221;default&#8221; global_colors_info=&#8221;{}&#8221; theme_builder_area=&#8221;post_content&#8221;]<h2 id=\"qu-est-ce-que-le-p\u00e9rim\u00e8tre-d-un-projet\"><span class=\"fontSizeLarge\"><span class=\"fontColorThemePrimary\">Qu&#8217;est-ce que le p\u00e9rim\u00e8tre d&#8217;un projet ?<\/span><\/span><span class=\"c_b_1310c973\"><\/span><\/h2>\n<p><span class=\"fontSizeLarge\"><span class=\"fontColorThemePrimary\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/pmchampions.com\/wp-content\/uploads\/2024\/02\/triangle-dor.png\" width=\"258\" height=\"225\" alt=\"\" class=\"wp-image-987517316 aligncenter size-full\" srcset=\"https:\/\/pmchampions.com\/wp-content\/uploads\/2024\/02\/triangle-dor.png 400w, https:\/\/pmchampions.com\/wp-content\/uploads\/2024\/02\/triangle-dor-300x262.png 300w\" sizes=\"(max-width: 258px) 100vw, 258px\" \/><\/span><\/span><\/p>\n<p><span class=\"fontSizeLarge\"><span class=\"fontColorThemePrimary\"><\/span><\/span><\/p>\n<div class=\"ControlZone ControlZone--clean a_b_50a7110f\" data-automation-id=\"CanvasControl\" id=\"00000000-0000-0000-0000-100000000006\">\n<div class=\"ControlZone--control\">\n<div data-sp-feature-tag=\"Rich Text Editor\" class=\"rte-webpart rte--ck5 rte--read-ck5 headerFontSizeLegacy uniformSpacingForElements\" data-sp-feature-instance-id=\"00000000-0000-0000-0000-100000000006\" dir=\"auto\">\n<div data-automation-id=\"textBox\" class=\"ck-content rteEmphasis root-179\">\n<p>Le p\u00e9rim\u00e8tre d&#8217;un projet est une composante fondamentale du <strong>triangle d&#8217;or<\/strong>, \u00e9galement connu sous le nom de <strong>triple contrainte<\/strong>, comprenant le <strong>co\u00fbt<\/strong>, les <strong>d\u00e9lais<\/strong> et le <strong>p\u00e9rim\u00e8tre<\/strong>, o\u00f9 chacun influence les deux autres.<\/p>\n<p>Il repr\u00e9sente essentiellement ce que le projet doit accomplir, soit le &#8220;QUOI&#8221;.<\/p>\n<p>Ce p\u00e9rim\u00e8tre est d\u00e9fini par les exigences qui d\u00e9taillent les attentes du projet.<\/p>\n<p>Les <strong>exigences<\/strong> correspondent aux <strong>besoins des utilisateurs finaux<\/strong> <span style=\"text-decoration: underline;\">exprim\u00e9s par le client<\/span> et doivent \u00eatre satisfaites par le <strong>produit<\/strong>.<\/p>\n<p>Elles englobent les fonctionnalit\u00e9s ou services attendus, les normes \u00e0 respecter et les d\u00e9pendances \u00e0 consid\u00e9rer, telles que les services tiers.<\/p>\n<p>En fonction du mod\u00e8le de d\u00e9veloppement utilis\u00e9 (cycle en V, s\u00e9quentiel, it\u00e9ratif ou Agile), le <strong>r\u00e9f\u00e9rentiel des exigences<\/strong> ou le <strong>backlog<\/strong> initial du produit mat\u00e9rialisent le p\u00e9rim\u00e8tre.<\/p>\n<p>Le p\u00e9rim\u00e8tre joue un r\u00f4le crucial en guidant le travail des \u00e9quipes tout au long de l&#8217;ex\u00e9cution du projet, en les aidant \u00e0 rester sur la bonne voie et \u00e0 \u00e9viter les d\u00e9rives potentielles.<\/p>\n<\/div>\n<\/div>\n<\/div>\n<\/div>[\/et_pb_text][dipl_separator seprator_thickness=&#8221;1px&#8221; separator_color=&#8221;rgba(0,0,0,0.54)&#8221; _builder_version=&#8221;4.23.1&#8243; _module_preset=&#8221;default&#8221; global_colors_info=&#8221;{}&#8221; theme_builder_area=&#8221;post_content&#8221;][\/dipl_separator][\/et_pb_column][\/et_pb_row][et_pb_row column_structure=&#8221;1_4,3_4&#8243; _builder_version=&#8221;4.23.1&#8243; _module_preset=&#8221;default&#8221; custom_margin=&#8221;||40px||false|false&#8221; link_option_url=&#8221;https:\/\/pmchampions.com\/fr\/comment-contractualiser-un-projet-agile\/&#8221; link_option_url_new_window=&#8221;on&#8221; border_radii=&#8221;on|0.25rem|0.25rem|0.25rem|0.25rem&#8221; border_width_all=&#8221;1px&#8221; border_color_all=&#8221;#dee2e6&#8243; box_shadow_style=&#8221;preset3&#8243; box_shadow_vertical=&#8221;5px&#8221; global_colors_info=&#8221;{}&#8221; theme_builder_area=&#8221;post_content&#8221;][et_pb_column type=&#8221;1_4&#8243; _builder_version=&#8221;4.22.0&#8243; _module_preset=&#8221;default&#8221; global_colors_info=&#8221;{}&#8221; theme_builder_area=&#8221;post_content&#8221;][et_pb_image src=&#8221;https:\/\/pmchampions.com\/wp-content\/uploads\/2023\/09\/Contractualisation.png&#8221; title_text=&#8221;Contractualisation&#8221; _builder_version=&#8221;4.22.0&#8243; _module_preset=&#8221;default&#8221; width=&#8221;100%&#8221; width_tablet=&#8221;100%&#8221; width_phone=&#8221;100%&#8221; width_last_edited=&#8221;on|tablet&#8221; max_width=&#8221;100%&#8221; custom_margin=&#8221;-11px||-11px||false|false&#8221; custom_padding=&#8221;|10px||10px|false|false&#8221; border_radii=&#8221;on|5px|5px|5px|5px&#8221; global_colors_info=&#8221;{}&#8221; theme_builder_area=&#8221;post_content&#8221;][\/et_pb_image][\/et_pb_column][et_pb_column type=&#8221;3_4&#8243; _builder_version=&#8221;4.22.0&#8243; _module_preset=&#8221;default&#8221; global_colors_info=&#8221;{}&#8221; theme_builder_area=&#8221;post_content&#8221;][et_pb_text _builder_version=&#8221;4.23.1&#8243; _module_preset=&#8221;default&#8221; text_font=&#8221;Quicksand||||||||&#8221; text_text_color=&#8221;#619ccd&#8221; text_font_size=&#8221;26px&#8221; text_line_height=&#8221;1em&#8221; custom_margin=&#8221;|||-40px|false|false&#8221; custom_margin_tablet=&#8221;|15px||15px|false|false&#8221; custom_margin_phone=&#8221;|15px||15px|false|false&#8221; custom_margin_last_edited=&#8221;on|tablet&#8221; text_font_size_tablet=&#8221;20px&#8221; text_font_size_phone=&#8221;20px&#8221; text_font_size_last_edited=&#8221;on|phone&#8221; global_colors_info=&#8221;{}&#8221; theme_builder_area=&#8221;post_content&#8221;]<h6><span style=\"color: #808080;\"><strong>Agilit\u00e9:<\/strong><\/span><\/h6>\n<p><strong><span style=\"color: #ff6600;\"><a href=\"https:\/\/pmchampions.com\/fr\/agilite-et-scrum\/\" target=\"_blank\" rel=\"noopener\" style=\"color: #ff6600;\">D\u00e9couvrir nos articles autour de l&#8217;agilit\u00e9<\/a><\/span><\/strong><\/p>[\/et_pb_text][\/et_pb_column][\/et_pb_row][\/et_pb_section][et_pb_section fb_built=&#8221;1&#8243; _builder_version=&#8221;4.23.1&#8243; _module_preset=&#8221;default&#8221; custom_padding=&#8221;0px||0px|||&#8221; global_colors_info=&#8221;{}&#8221; theme_builder_area=&#8221;post_content&#8221;][et_pb_row _builder_version=&#8221;4.23.1&#8243; _module_preset=&#8221;default&#8221; custom_padding=&#8221;||0px|||&#8221; global_colors_info=&#8221;{}&#8221; theme_builder_area=&#8221;post_content&#8221;][et_pb_column type=&#8221;4_4&#8243; _builder_version=&#8221;4.23.1&#8243; _module_preset=&#8221;default&#8221; global_colors_info=&#8221;{}&#8221; theme_builder_area=&#8221;post_content&#8221;][et_pb_text module_class=&#8221;blue-list list_space&#8221; _builder_version=&#8221;4.23.1&#8243; _module_preset=&#8221;default&#8221; custom_padding=&#8221;||21px|||&#8221; global_colors_info=&#8221;{}&#8221; theme_builder_area=&#8221;post_content&#8221;]<h2 id=\"acter-le-p\u00e9rim\u00e8tre\"><span class=\"fontSizeLarge\"><span class=\"fontColorThemePrimary\">Acter le p\u00e9rim\u00e8tre<\/span><\/span><span class=\"c_b_1310c973\"><\/span><\/h2>\n<p>Le p\u00e9rim\u00e8tre d&#8217;un projet repr\u00e9sente le principal \u00e9l\u00e9ment de dimensionnement de la phase <strong>d&#8217;Avant-Vente<\/strong>, influen\u00e7ant ainsi le dispositif propos\u00e9 au client, y compris les charges, le budget, les d\u00e9lais, les engagements et le niveau de <strong><a href=\"https:\/\/pmchampions.com\/fr\/gestion-des-risques-projet\/\" target=\"_blank\" rel=\"noopener\">risque<\/a><\/strong>.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/pmchampions.com\/wp-content\/uploads\/2024\/02\/project-management-1.png\" width=\"278\" height=\"278\" alt=\"\" class=\"wp-image-987517340 aligncenter size-full\" \/><\/p>\n<p>Il est \u00e9troitement li\u00e9 \u00e0 <strong>la proposition commerciale<\/strong> et en justifie une grande partie.<\/p>\n<p>Le p\u00e9rim\u00e8tre, souvent mat\u00e9rialis\u00e9 par un r\u00e9f\u00e9rentiel d&#8217;exigences, est \u00e9galement une composante cruciale du <strong>Plan Projet<\/strong> et peut \u00eatre annex\u00e9 au contrat avec le client. Dans certains cas, il peut \u00eatre formalis\u00e9 sous la forme d&#8217;un <strong>Cahier des Charges<\/strong>.<\/p>\n<p>Ces documents de cadrage sont soumis \u00e0 la validation du client.<\/p>[\/et_pb_text][\/et_pb_column][\/et_pb_row][\/et_pb_section][et_pb_section fb_built=&#8221;1&#8243; _builder_version=&#8221;4.23.1&#8243; _module_preset=&#8221;default&#8221; background_color=&#8221;#f0f3f6&#8243; custom_padding=&#8221;0px||0px|||&#8221; global_colors_info=&#8221;{}&#8221; theme_builder_area=&#8221;post_content&#8221;][et_pb_row _builder_version=&#8221;4.23.1&#8243; _module_preset=&#8221;default&#8221; global_colors_info=&#8221;{}&#8221; theme_builder_area=&#8221;post_content&#8221;][et_pb_column type=&#8221;4_4&#8243; _builder_version=&#8221;4.23.1&#8243; _module_preset=&#8221;default&#8221; global_colors_info=&#8221;{}&#8221; theme_builder_area=&#8221;post_content&#8221;][et_pb_text module_class=&#8221;list_space&#8221; _builder_version=&#8221;4.23.1&#8243; _module_preset=&#8221;default&#8221; global_colors_info=&#8221;{}&#8221; theme_builder_area=&#8221;post_content&#8221;]<h2 id=\"qualit\u00e9-du-p\u00e9rim\u00e8tre\"><span class=\"fontSizeLarge\"><span class=\"fontColorThemePrimary\">Qualit\u00e9 du\u00a0p\u00e9rim\u00e8tre<\/span><\/span><span class=\"c_b_1310c973\"><\/span><\/h2>\n<p>Plus les exigences formul\u00e9es par le client sont exhaustives et pr\u00e9cises, meilleures seront les estimations en <strong>phase d&#8217;Avant-Vente.<\/strong><\/p>\n<p>Ainsi, le chiffrage reposera sur des <strong>hypoth\u00e8ses claires<\/strong> et document\u00e9es, garantissant \u00e0 l&#8217;entreprise un engagement juste et bien encadr\u00e9.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/pmchampions.com\/wp-content\/uploads\/2024\/02\/idea.png\" width=\"270\" height=\"270\" alt=\"\" class=\"wp-image-987517338 aligncenter size-full\" \/><\/p>\n<p>Cependant, l&#8217;expression des besoins du client n&#8217;est pas n\u00e9cessairement contraignante.<\/p>\n<p>Certaines exigences peuvent \u00eatre <strong>\u00e9cart\u00e9es<\/strong> (en raison de leur faisabilit\u00e9 discutable, de leur pertinence mineure ou propos\u00e9es en option pour des raisons de co\u00fbt), ou bien ajust\u00e9es \u00e0 la hausse ou \u00e0 la baisse en termes d&#8217;ambition.<\/p>\n<p>Il est essentiel d&#8217;<strong>identifier clairement les exigences<\/strong> qui ne seront pas trait\u00e9es telles quelles ou du tout, et d&#8217;informer explicitement le client de leur exclusion du p\u00e9rim\u00e8tre couvert par le prestataire de service et de sa responsabilit\u00e9.<\/p>\n<p>Ce sont les exigences auxquelles le prestataire de service r\u00e9pond avec ses propres hypoth\u00e8ses structurantes qui, une fois valid\u00e9es par le client, d\u00e9finiront le p\u00e9rim\u00e8tre du projet, plut\u00f4t que l&#8217;expression initiale des besoins.<\/p>[\/et_pb_text][\/et_pb_column][\/et_pb_row][\/et_pb_section][et_pb_section fb_built=&#8221;1&#8243; _builder_version=&#8221;4.23.1&#8243; _module_preset=&#8221;default&#8221; custom_padding=&#8221;0px||0px|||&#8221; global_colors_info=&#8221;{}&#8221; theme_builder_area=&#8221;post_content&#8221;][et_pb_row _builder_version=&#8221;4.23.1&#8243; _module_preset=&#8221;default&#8221; custom_padding=&#8221;||0px|||&#8221; global_colors_info=&#8221;{}&#8221; theme_builder_area=&#8221;post_content&#8221;][et_pb_column type=&#8221;4_4&#8243; _builder_version=&#8221;4.23.1&#8243; _module_preset=&#8221;default&#8221; global_colors_info=&#8221;{}&#8221; theme_builder_area=&#8221;post_content&#8221;][et_pb_text module_class=&#8221;blue-list list_space&#8221; _builder_version=&#8221;4.23.1&#8243; _module_preset=&#8221;default&#8221; global_colors_info=&#8221;{}&#8221; theme_builder_area=&#8221;post_content&#8221;]<h2 id=\"exigences-et-approche-produit\"><span class=\"fontSizeLarge\"><span class=\"fontColorThemePrimary\">Exigences et approche produit<\/span><\/span><span class=\"c_b_1310c973\"><\/span><\/h2>\n<p>Les exigences, g\u00e9n\u00e9ralement fonctionnelles pour r\u00e9pondre aux besoins des utilisateurs finaux, doivent \u00eatre consid\u00e9r\u00e9es de mani\u00e8re holistique \u00e0 la fois en <strong>Avant-Vente<\/strong> et en <strong>Delivery<\/strong>, car &#8220;<em><strong>Le diable se cache dans les d\u00e9tails<\/strong><\/em>&#8220;. Dans cette optique, il est essentiel de prendre en compte :<img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/pmchampions.com\/wp-content\/uploads\/2024\/02\/box.png\" width=\"217\" height=\"217\" alt=\"\" class=\"wp-image-987517336 aligncenter size-full\" \/>La <strong>valeur business<\/strong> pour prioriser voire segmenter les \u00e9l\u00e9ments.<\/p>\n<ol>\n<li>L&#8217;utilisabilit\u00e9, notamment l&#8217;exp\u00e9rience utilisateur (<strong>UX<\/strong>), les interfaces utilisateur (<strong>UI<\/strong>), les appareils, les langues, etc.<\/li>\n<li>La <strong>fiabilit\u00e9<\/strong>, incluant la stabilit\u00e9 et la disponibilit\u00e9 du produit.<\/li>\n<li>La <strong>performance<\/strong>, couvrant le temps de r\u00e9ponse, la volum\u00e9trie des donn\u00e9es, le nombre d&#8217;utilisateurs, etc.<\/li>\n<li>La <strong>s\u00e9curit\u00e9<\/strong>, en adoptant une approche de s\u00e9curit\u00e9 d\u00e8s la conception (<a href=\"https:\/\/www.techtarget.com\/whatis\/definition\/security-by-design\"><strong>Security By Design<\/strong><\/a>).<\/li>\n<li>La <strong>conformit\u00e9 r\u00e9glementaire<\/strong>, notamment en ce qui concerne la RGPD.<\/li>\n<li>L&#8217;impact <strong>RSE<\/strong> (Responsabilit\u00e9 Soci\u00e9tale des Entreprises) : l&#8217;\u00e9coconception, l&#8217;accessibilit\u00e9, la conformit\u00e9, etc.<\/li>\n<li>La <strong>maintenabilit\u00e9<\/strong> \u00e0 travers l&#8217;architecture, la configuration, les normes, la documentation, etc.<\/li>\n<\/ol>\n<p>Pour \u00e9viter que le p\u00e9rim\u00e8tre ne devienne une <span style=\"text-decoration: underline;\">liste indigeste d&#8217;exigences<\/span> et pour le rendre directement exploitable par les op\u00e9rationnels du projet, il est pr\u00e9f\u00e9rable d&#8217;adopter <strong>une approche produit<\/strong>.<\/p>\n<p>Cela implique de <strong>d\u00e9composer<\/strong> le p\u00e9rim\u00e8tre en <strong>sous-produits<\/strong> ou <strong>produits interm\u00e9diaires<\/strong>, avec une granularit\u00e9 adapt\u00e9e au contexte : suffisamment d\u00e9taill\u00e9e pour former des ensembles fonctionnels coh\u00e9rents et utilisables par les utilisateurs finaux, mais aussi assez fine pour <strong>r\u00e9duire le d\u00e9lai<\/strong> de mise \u00e0 disposition \u00e0 ces utilisateurs.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/pmchampions.com\/wp-content\/uploads\/2024\/02\/decomposition.png\" width=\"171\" height=\"171\" alt=\"\" class=\"wp-image-987517345 aligncenter size-full\" \/><\/p>\n<p>L&#8217;approche produit se r\u00e9v\u00e8le \u00e9galement plus flexible lorsqu&#8217;il s&#8217;agit de r\u00e9viser le p\u00e9rim\u00e8tre avec le client et plus engageante pour l&#8217;ensemble des parties prenantes lors de la r\u00e9alisation du projet.<\/p>\n<p>&nbsp;<\/p>[\/et_pb_text][\/et_pb_column][\/et_pb_row][\/et_pb_section][et_pb_section fb_built=&#8221;1&#8243; _builder_version=&#8221;4.23.1&#8243; _module_preset=&#8221;default&#8221; background_color=&#8221;#f0f3f6&#8243; custom_padding=&#8221;0px||0px|||&#8221; global_colors_info=&#8221;{}&#8221; theme_builder_area=&#8221;post_content&#8221;][et_pb_row _builder_version=&#8221;4.23.1&#8243; _module_preset=&#8221;default&#8221; global_colors_info=&#8221;{}&#8221; theme_builder_area=&#8221;post_content&#8221;][et_pb_column type=&#8221;4_4&#8243; _builder_version=&#8221;4.23.1&#8243; _module_preset=&#8221;default&#8221; global_colors_info=&#8221;{}&#8221; theme_builder_area=&#8221;post_content&#8221;][et_pb_text module_class=&#8221;blue-list list_space&#8221; _builder_version=&#8221;4.23.1&#8243; _module_preset=&#8221;default&#8221; custom_padding=&#8221;||7px|||&#8221; global_colors_info=&#8221;{}&#8221; theme_builder_area=&#8221;post_content&#8221;]<h2 id=\"g\u00e9rer-les-changements\"><span class=\"fontSizeLarge\"><span class=\"fontColorThemePrimary\">G\u00e9rer les changements<\/span><\/span><span class=\"c_b_1310c973\"><\/span><\/h2>\n<p>Bien que le p\u00e9rim\u00e8tre soit d\u00e9fini plus ou moins pr\u00e9cis\u00e9ment au d\u00e9but du projet, il peut \u00e9voluer en raison de divers changements tels que des <strong>ajouts<\/strong>, des <strong>modifications<\/strong>, des <strong>substitutions<\/strong> ou des <strong>suppressions<\/strong> d&#8217;exigences, ainsi que la remise en cause d&#8217;hypoth\u00e8ses.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/pmchampions.com\/wp-content\/uploads\/2024\/02\/change.png\" width=\"224\" height=\"224\" alt=\"\" class=\"wp-image-987517334 aligncenter size-full\" \/><\/p>\n<p>Ces changements peuvent \u00eatre d\u00e9clench\u00e9s par des facteurs externes au p\u00e9rim\u00e8tre du produit, mais qui ont une influence sur celui-ci, comme :<\/p>\n<ul>\n<li>l&#8217;indisponibilit\u00e9 de parties prenantes<\/li>\n<li>le remplacement d&#8217;interlocuteurs<\/li>\n<li>de nouvelles r\u00e9glementations<\/li>\n<li>des restrictions budg\u00e9taires<\/li>\n<li>des impacts conjoncturels<\/li>\n<li>des al\u00e9as de s\u00e9curit\u00e9.<\/li>\n<\/ul>\n<p>Il est important de noter qu&#8217;un tel changement est normal dans un projet complexe, incertain et \u00e9volutif, mais il est essentiel d&#8217;en mesurer les impacts et d&#8217;adopter la bonne d\u00e9marche.<\/p>\n<p>Le pilote de projet doit faire preuve de prudence dans la modification du p\u00e9rim\u00e8tre et consigner tout changement apport\u00e9 au cours du processus, g\u00e9n\u00e9ralement via des compte-rendus d&#8217;instances de gouvernance et\/ou un registre des changements.<\/p>\n<p>Il convient de rappeler que la triple contrainte s&#8217;applique : toute modification du p\u00e9rim\u00e8tre peut avoir des r\u00e9percussions sur le co\u00fbt et les d\u00e9lais du projet, ainsi que sur son objectif ou sa <strong><a href=\"https:\/\/pmchampions.com\/fr\/gestion-de-la-qualite-de-projet\/\">qualit\u00e9<\/a><\/strong>, surtout si elle entra\u00eene des effets ind\u00e9sirables.<\/p>\n<p>Dans le cadre d&#8217;une m\u00e9thodologie pr\u00e9dictive telle que le <strong>Cycle en V<\/strong>, o\u00f9 le p\u00e9rim\u00e8tre est initialement suppos\u00e9 \u00eatre largement fig\u00e9, sauf si le changement est compensable par un descopage ou n\u00e9gociable commercialement, le pilote de projet doit :<\/p>\n<ol>\n<li>Revisiter le<strong> plan projet<\/strong> et le <strong>contrat<\/strong>, en int\u00e9grant les m\u00e9canismes de gestion des changements.<\/li>\n<li><strong>Qualifier<\/strong> et <strong>estimer<\/strong> les nouvelles exigences, tout en r\u00e9visant celles qui en d\u00e9pendent.<\/li>\n<li>Soumettre une <strong>nouvelle proposition<\/strong> au client, couvrant la charge suppl\u00e9mentaire.<\/li>\n<li><strong>Mettre \u00e0 jour le planning<\/strong> pour tenir compte de la d\u00e9rive induite.<\/li>\n<li>Produire un <strong>avenant<\/strong> pour officialiser le changement.<\/li>\n<li>Obtenir la <strong>validation<\/strong> de l&#8217;ensemble de ces \u00e9l\u00e9ments avant leur mise en \u0153uvre.<\/li>\n<\/ol>\n<p>Dans le cadre d&#8217;un projet Agile, bien que l&#8217;adaptabilit\u00e9 au changement soit inh\u00e9rente \u00e0 la m\u00e9thode, un changement n&#8217;est pas pour autant neutre en cons\u00e9quences.<\/p>\n<p>Le projet Agile est g\u00e9n\u00e9ralement d\u00e9limit\u00e9 dans le temps (par exemple, un <strong>MVP<\/strong> minimum viable) et le budget est fixe.<\/p>\n<p>Dans ce contexte, on privil\u00e9giera un syst\u00e8me de <strong>troc<\/strong> pour absorber le changement, c&#8217;est-\u00e0-dire le remplacement de <strong>User Stories<\/strong> par d&#8217;autres ayant une m\u00eame valeur en termes d&#8217;effort et donc de <strong>Story Points<\/strong>.<\/p>\n<p>\u00c0 d\u00e9faut, le nombre de sprints financ\u00e9s pourra \u00eatre \u00e9tendu pour absorber le changement.<\/p>[\/et_pb_text][\/et_pb_column][\/et_pb_row][\/et_pb_section]\n","protected":false},"excerpt":{"rendered":"<p>Le p\u00e9rim\u00e8tre d&#8217;un projet inclut sa port\u00e9e, ses exigences et sa gestion des changements pour garantir la qualit\u00e9 et l&#8217;atteinte des objectifs.<\/p>\n","protected":false},"author":1,"featured_media":987517283,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_et_pb_use_builder":"on","_et_pb_old_content":"","_et_gb_content_width":"","footnotes":""},"categories":[69],"tags":[30],"class_list":["post-987517310","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-integration-de-projet","tag-fr"],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 4.9.10 - aioseo.com -->\n\t<meta name=\"description\" content=\"Le p\u00e9rim\u00e8tre d&#039;un projet inclut sa port\u00e9e, ses exigences et sa gestion des 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