{"id":34610,"date":"2023-06-23T10:58:02","date_gmt":"2023-06-23T08:58:02","guid":{"rendered":"https:\/\/cesam.community\/2023\/06\/23\/manage-functional-and-physical-interfaces-internal-and-external\/"},"modified":"2023-06-23T11:14:48","modified_gmt":"2023-06-23T09:14:48","slug":"manage-functional-and-physical-interfaces-internal-and-external","status":"publish","type":"post","link":"https:\/\/cesam.community\/fr\/2023\/06\/23\/manage-functional-and-physical-interfaces-internal-and-external\/","title":{"rendered":"G\u00e9rer les interfaces fonctionnelles et physiques, internes et externes"},"content":{"rendered":"<div class=\"wpb-content-wrapper\"><section class=\"vc_row wpb_row vc_row-fluid  vc_custom_1675958784901\"><div class=\"wpb_column vc_column_container vc_col-sm-12 vc_col-md-offset-1 vc_col-md-10 col-xs-mobile-fullwidth\"><div class=\"vc_column-inner \"><div class=\"wpb_wrapper\"><span class=\"text-extra-dark-gray margin-20px-bottom font-weight-600 display-inline-block alt-font heading-style2  heading-1\"  style=\"font-size: 15px;\" data-fontsize=\"15px\">Extrait du livre blanc : Le r\u00f4le de l\u2019architecte \u2013 Le Cercle CESAM<\/span><\/div><\/div><\/div><\/section><section data-vc-full-width=\"true\" data-vc-full-width-init=\"false\" class=\"vc_row wpb_row vc_row-fluid  vc_custom_1675957888898 vc_row-has-fill pofo-stretch-content pofo-stretch-row-container\"><div class=\"wpb_column vc_column_container vc_col-sm-12 vc_col-md-offset-1 vc_col-md-10 col-xs-mobile-fullwidth\"><div class=\"vc_column-inner \"><div class=\"wpb_wrapper\"><div class=\"font-weight-500 text-uppercase d-inline-block text-small alt-font heading-style6  vc_custom_1675954912068  heading-2\"  style=\"font-weight: 600;\"><span class=\"text-outside-line-left\">Pr\u00e9ambule<\/span><\/div><div class=\"last-paragraph-no-margin\"><p class=\"ParagrapheWP\" style=\"text-align: justify;\">En parall\u00e8le de la d\u00e9finition des architectures bo\u00eete noire et bo\u00eete blanche, l\u2019architecte doit identifier les interfaces, externes et internes (avec les syst\u00e8mes ext\u00e9rieurs, entre les fonctions du syst\u00e8me et entre ses composants).<br \/>\nTout comme il doit s\u2019assurer que chaque fonction et chaque composant est port\u00e9 en responsabilit\u00e9 par un r\u00f4le, de m\u00eame il doit mettre sous contr\u00f4le l\u2019ensemble des interfaces identifi\u00e9es.<\/p>\n<\/div><\/div><\/div><\/div><\/section><div class=\"vc_row-full-width vc_clearfix\"><\/div><section data-vc-full-width=\"true\" data-vc-full-width-init=\"false\" class=\"vc_row wpb_row vc_row-fluid  vc_custom_1675958886754 pofo-stretch-content pofo-stretch-row-container\"><div class=\"wpb_column vc_column_container vc_col-sm-12 vc_col-md-offset-1 vc_col-md-10 col-xs-mobile-fullwidth text-center\"><div class=\"vc_column-inner \"><div class=\"wpb_wrapper\"><span class=\"text-extra-large margin-25px-bottom display-inline-block alt-font text-uppercase heading-style3  vc_custom_1675957979951  heading-3\"  style=\"font-size: 22px; font-weight: 600; color: #1e5dbc;\" data-fontsize=\"22px\">L\u2019ESSENTIEL<\/span><div class=\"last-paragraph-no-margin\"><p style=\"font-weight: 400; text-align: justify;\">La complexit\u00e9 d\u2019un syst\u00e8me est en autre, li\u00e9e au nombre de ses interfaces qui peut conditionner le nombre de parties prenantes \u00e0 impliquer. La gestion des interfaces (humaines, physiques, logicielles\u2026) est une activit\u00e9 clef de la ma\u00eetrise des risques sur un projet. Dans la partie bo\u00eete noire, la d\u00e9finition des interfaces est un \u00e9l\u00e9ment majeur dans la formalisation du p\u00e9rim\u00e8tre d\u2019\u00e9tude et l\u2019int\u00e9gration du syst\u00e8me dans son environnement.<\/p>\n<\/div><\/div><\/div><\/div><\/section><div class=\"vc_row-full-width vc_clearfix\"><\/div><section data-vc-full-width=\"true\" data-vc-full-width-init=\"false\" class=\"vc_row wpb_row vc_row-fluid  vc_custom_1675958895317 pofo-stretch-content pofo-stretch-row-container\"><div class=\"wpb_column vc_column_container vc_col-sm-12 vc_col-md-offset-1 vc_col-md-10 col-xs-mobile-fullwidth text-center\"><div class=\"vc_column-inner \"><div class=\"wpb_wrapper\"><span class=\"text-extra-large margin-25px-bottom display-inline-block alt-font text-uppercase heading-style3  vc_custom_1675955485886  heading-4\"  style=\"font-size: 22px; font-weight: 600; color: #cc3b1e;\" data-fontsize=\"22px\">LES ECUEILS PRINCIPAUX<\/span><div class=\"last-paragraph-no-margin\"><p style=\"font-weight: 400; text-align: justify;\">Parmi les principaux \u00e9cueils, on notera :<\/p>\n<ul style=\"font-weight: 400;\">\n<li style=\"text-align: justify;\">Identifier des interfaces externes sans se poser la question du besoin qu&rsquo;on doit couvrir et aller trop vite dans le d\u00e9tail technique (ex : vouloir d\u00e9finir finement les types de donn\u00e9es \u00e0 faire transiter). C&rsquo;est souvent amplifi\u00e9 par une volont\u00e9 de re-use mal cadr\u00e9e par rapport au nouveau contexte\/besoin.<\/li>\n<li style=\"text-align: justify;\">Ne pas suivre en maturit\u00e9 les interfaces, c&rsquo;est \u00e0 dire ne pas g\u00e9rer une interface car encore peu mature (cela met les gens en attente et g\u00e9n\u00e8re des retards potentiels) et\/ou ne pas anticiper le fait que la d\u00e9finition de certaines interfaces va \u00e9voluer (ce qui g\u00e9n\u00e8re un rework per\u00e7u comme inutile).<\/li>\n<li style=\"text-align: justify;\">Mettre \u00e0 jour les interfaces sans informer les parties prenantes impact\u00e9es par cette modification.<\/li>\n<li style=\"text-align: justify;\">Ne pas identifier de responsabilit\u00e9 pour une interface.<\/li>\n<li style=\"text-align: justify;\">Mal g\u00e9rer en configuration les deux organes de part et d&rsquo;autre lors de l&rsquo;int\u00e9gration des interfaces.<\/li>\n<li style=\"text-align: justify;\">Interfaces bien d\u00e9finies sur des aspects pr\u00e9cis (ex : fonctionnement statique m\u00e9canique) qui permettent \u00e0 priori l&rsquo;int\u00e9gration mais qui sont mal d\u00e9finies au final sur d&rsquo;autres aspects (ex : fonctionnement en dynamique).<\/li>\n<li style=\"text-align: justify;\">D\u00e9tourner des interfaces (dans le cadre d&rsquo;un re-use) et risquer de sortir du nominal de design de l&rsquo;interface (avec des probl\u00e9matiques associ\u00e9es, ce qui reviendrait plus cher que de d\u00e9finir la bonne interface).<\/li>\n<li style=\"text-align: justify;\">Une mauvaise d\u00e9finition des interfaces externes conduisant \u00e0 une ambigu\u00eft\u00e9 sur le p\u00e9rim\u00e8tre (ex : l&rsquo;interface pour authentifier l&rsquo;utilisateur : le client consid\u00e8re que c&rsquo;est dedans et le concepteur du logiciel consid\u00e8re que c&rsquo;est hors de son p\u00e9rim\u00e8tre).<\/li>\n<\/ul>\n<\/div><\/div><\/div><\/div><\/section><div class=\"vc_row-full-width vc_clearfix\"><\/div><section data-vc-full-width=\"true\" data-vc-full-width-init=\"false\" class=\"vc_row wpb_row vc_row-fluid  vc_custom_1675958903368 pofo-stretch-content pofo-stretch-row-container\"><div class=\"wpb_column vc_column_container vc_col-sm-12 vc_col-md-offset-1 vc_col-md-10 col-xs-mobile-fullwidth text-center\"><div class=\"vc_column-inner \"><div class=\"wpb_wrapper\"><span class=\"text-extra-large margin-25px-bottom display-inline-block alt-font text-uppercase heading-style3  vc_custom_1675955454289  heading-5\"  style=\"font-size: 22px; font-weight: 600; color: #84d620;\" data-fontsize=\"22px\">LES BONNES PRATIQUES<\/span><div class=\"last-paragraph-no-margin\"><p style=\"font-weight: 400; text-align: justify;\">Voici quelques bonnes pratiques \u00e0 prendre en compte :<\/p>\n<ul style=\"font-weight: 400;\">\n<li style=\"text-align: justify;\">Utiliser l\u2019architecture pour identifier les interfaces.<\/li>\n<li style=\"text-align: justify;\">S\u2019assurer que chaque interface est bien port\u00e9e (en responsabilit\u00e9).<\/li>\n<li style=\"text-align: justify;\">Mettre en place un processus de gestion de maturit\u00e9 des interfaces.<\/li>\n<li style=\"text-align: justify;\">Dans le cadre de re-use se reposer la question du besoin auquel on r\u00e9pond avec chaque interface.<\/li>\n<li style=\"text-align: justify;\">Mettre des d\u00e9trompeurs (Poka-Yoke) sur des interfaces qui sont physiquement identiques mais fonctionnellement diff\u00e9rentes (ex : d\u00e9trompeur sur les prises murales vides et oxyg\u00e8ne dans les chambres d\u2019h\u00f4pital).<\/li>\n<li style=\"text-align: justify;\">D\u00e9finir toutes les caract\u00e9ristiques de l\u2019interface (le nominal et la robustesse lorsqu\u2019on sort du nominal).<\/li>\n<li style=\"text-align: justify;\">Utiliser du MBSE pour d\u00e9finir de fa\u00e7on la plus exhaustive possible toutes les interfaces.<\/li>\n<li style=\"text-align: justify;\">Standardiser la mani\u00e8re de d\u00e9finir les interfaces.<\/li>\n<li style=\"text-align: justify;\">S\u2019appuyer sur la ma\u00eetrise des interfaces pour optimiser les interactions avec les parties prenantes (ex : la gestion de plusieurs interfaces avec une m\u00eame partie prenante peut permettre d\u2019augmenter la communalisation entre ces interfaces).<\/li>\n<\/ul>\n<\/div><\/div><\/div><\/div><\/section><div class=\"vc_row-full-width vc_clearfix\"><\/div><section data-vc-full-width=\"true\" data-vc-full-width-init=\"false\" class=\"vc_row wpb_row vc_row-fluid  vc_custom_1677228482631 pofo-stretch-content pofo-stretch-row-container\"><div class=\"wpb_column vc_column_container vc_col-sm-12 vc_col-md-offset-1 vc_col-md-10 col-xs-mobile-fullwidth text-center\"><div class=\"vc_column-inner \"><div class=\"wpb_wrapper\"><span class=\"text-extra-large margin-25px-bottom display-inline-block alt-font text-uppercase heading-style3  vc_custom_1675956721188  heading-6\"  style=\"font-size: 22px; font-weight: 600; color: #ffbf00;\" data-fontsize=\"22px\">TEMOIGNAGES<\/span><div class=\"last-paragraph-no-margin\"><p style=\"text-align: justify;\">Nous avons compil\u00e9 ici un certain nombre de verbatims de chef de projet ou d\u2019architecte syst\u00e8me de diff\u00e9rentes entreprises, et qui font \u00e9cho \u00e0 cette phase :<\/p>\n<p style=\"text-align: justify;\"><em><span style=\"font-size: 10pt;\"><strong>\u201c<\/strong> <\/span><\/em><em><span style=\"font-size: 10pt;\"> Nous avons mis en place un processus de gestion de maturit\u00e9 des interfaces, en particulier sur le suivi des interfaces m\u00e9caniques. Chaque document d\u2019interface a un niveau de maturit\u00e9 d\u00e9fini et affich\u00e9, ce qui permet de partager les risques associ\u00e9s \u00e0 chaque interface.<br \/>\n<strong>\u201c<\/strong>Sur des syst\u00e8mes logiciels, nous proc\u00e9dons \u00e0 de l\u2019early-integration plut\u00f4t qu\u2019\u00e0 une mont\u00e9e progressive en maturit\u00e9 des interfaces. (Attention n\u00e9anmoins \u00e0 ce que cette pratique ne se couple pas \u00e0 l\u2019\u00e9cueil mentionn\u00e9 au-dessus sur le questionnement du besoin \u00e0 couvrir).<br \/>\n<strong>\u201c<\/strong> Pour le hardware : on est plut\u00f4t sur la mise en place d\u2019une \u00e9tape d\u2019int\u00e9gration virtuelle (int\u00e9gration des mod\u00e8les num\u00e9riques m\u00e9tier &#8211; 3D, hydrauliques, \u00e9lectriques\u2026) pour anticiper les probl\u00e8mes d\u2019int\u00e9gration.<br \/>\n<strong>\u201c<\/strong>Mise en place d\u2019une gestion outill\u00e9e des interfaces en utilisant le cadre CESAM dans Xatis (Safran).<\/span><\/em><\/p>\n<\/div><\/div><\/div><\/div><\/section><div class=\"vc_row-full-width vc_clearfix\"><\/div><section data-vc-full-width=\"true\" data-vc-full-width-init=\"false\" class=\"vc_row wpb_row vc_row-fluid  vc_custom_1676045500631 cover-background wow fadeIn pofo-stretch-content pofo-stretch-row-container pofo-row-responsive-69d2a8cc095a1\"><div class=\"bg-extra-dark-gray bg-overlay\" style=\"opacity:0.8; \"><\/div><div class=\"wpb_column vc_column_container vc_col-sm-12 vc_col-md-offset-1 vc_col-md-10 col-xs-mobile-fullwidth wow fadeInUp text-center\"><div class=\"vc_column-inner \"><div class=\"wpb_wrapper\"><span class=\"text-extra-large margin-25px-bottom vertical-align-middle sm-width-100 display-inline-block alt-font heading-style3  vc_custom_1676045384304 pofo-button-responsive-69d2a8cc09635  heading-7\"  style=\"font-size: 18px; color: #ffffff;\" data-fontsize=\"18px\">Cet article est \u00e9galement disponible en format pdf.<\/span><a  href=\"https:\/\/cesam.community\/wp-content\/uploads\/2023\/06\/Le_role_de_l_architecte_WP_Extrait10_FR_v0_9.pdf\" target=\"_self\" class=\"btn pofo-button-1 button-style2  btn-white  btn-small  pofo-button-responsive-69d2a8cc09673\" >TELECHARGER<i class=\"ti-download   margin-5px-left no-margin-right\" aria-hidden=\"true\"><\/i><\/a><\/div><\/div><\/div><\/section><div class=\"vc_row-full-width vc_clearfix\"><\/div><section data-vc-full-width=\"true\" data-vc-full-width-init=\"false\" class=\"vc_row wpb_row vc_row-fluid  vc_custom_1676018195365 wow fadeIn vc_row-has-fill pofo-stretch-content pofo-stretch-row-container pofo-row-responsive-69d2a8cc096bd\"><div class=\"wpb_column vc_column_container vc_col-has-fill vc_col-sm-12 vc_col-md-offset-1 vc_col-md-10 col-xs-mobile-fullwidth\"><div class=\"vc_column-inner vc_custom_1676018441157\"><div class=\"wpb_wrapper\"><div class=\"vc_row wpb_row vc_inner vc_row-fluid  vc_custom_1676018467029\"><div class=\"wpb_column vc_column_container vc_col-sm-12  col-xs-mobile-fullwidth text-center\"><div class=\"vc_column-inner \"><div class=\"wpb_wrapper\"><span class=\"margin-100px-bottom xs-margin-40px-bottom font-weight-600 display-inline-block alt-font text-extra-small text-outside-line text-uppercase heading-style5  vc_custom_1676018337971  heading-8\"  style=\"font-size: 20px; color: #1c1c1c;\" data-fontsize=\"20px\">Des commentaires ?<\/span><div class=\"last-paragraph-no-margin\"><p style=\"text-align: center;\">Vos commentaires seront \u00e9tudi\u00e9s par les membres du Cercle lors de la prochaine r\u00e9union mensuelle.<\/p>\n<\/div><\/div><\/div><\/div><\/div>\n<div class=\"wpcf7 no-js\" id=\"wpcf7-f33627-o1\" lang=\"en-US\" dir=\"ltr\">\n<div class=\"screen-reader-response\"><p role=\"status\" aria-live=\"polite\" aria-atomic=\"true\"><\/p> <ul><\/ul><\/div>\n<form action=\"\/fr\/wp-json\/wp\/v2\/posts\/34610#wpcf7-f33627-o1\" method=\"post\" class=\"wpcf7-form init\" aria-label=\"Contact form\" novalidate=\"novalidate\" data-status=\"init\">\n<div style=\"display: none;\">\n<input type=\"hidden\" name=\"_wpcf7\" value=\"33627\" \/>\n<input type=\"hidden\" name=\"_wpcf7_version\" value=\"5.9.8\" \/>\n<input type=\"hidden\" name=\"_wpcf7_locale\" value=\"en_US\" \/>\n<input type=\"hidden\" name=\"_wpcf7_unit_tag\" value=\"wpcf7-f33627-o1\" \/>\n<input type=\"hidden\" name=\"_wpcf7_container_post\" value=\"0\" \/>\n<input type=\"hidden\" name=\"_wpcf7_posted_data_hash\" value=\"\" \/>\n<input type=\"hidden\" name=\"_wpcf7_recaptcha_response\" value=\"\" \/>\n<\/div>\n<div>\n\t<p><span class=\"wpcf7-form-control-wrap\" data-name=\"contact-name\"><input size=\"40\" maxlength=\"400\" class=\"wpcf7-form-control wpcf7-text wpcf7-validates-as-required input-border-bottom\" aria-required=\"true\" aria-invalid=\"false\" placeholder=\"Nom*\" value=\"\" type=\"text\" name=\"contact-name\" \/><\/span><br \/>\n<span class=\"wpcf7-form-control-wrap\" data-name=\"contact-company\"><input size=\"40\" maxlength=\"400\" class=\"wpcf7-form-control wpcf7-text wpcf7-validates-as-required input-border-bottom\" aria-required=\"true\" aria-invalid=\"false\" placeholder=\"Entreprise*\" value=\"\" type=\"text\" name=\"contact-company\" \/><\/span><br \/>\n<span class=\"wpcf7-form-control-wrap\" data-name=\"contact-email\"><input size=\"40\" maxlength=\"400\" class=\"wpcf7-form-control wpcf7-email wpcf7-validates-as-required wpcf7-text wpcf7-validates-as-email input-border-bottom\" aria-required=\"true\" aria-invalid=\"false\" placeholder=\"E-mail*\" value=\"\" type=\"email\" name=\"contact-email\" \/><\/span><br \/>\n<span class=\"wpcf7-form-control-wrap\" data-name=\"contact-message\"><textarea cols=\"40\" rows=\"3\" maxlength=\"2000\" class=\"wpcf7-form-control wpcf7-textarea wpcf7-validates-as-required xs-margin-20px-bottom input-border-bottom\" aria-required=\"true\" aria-invalid=\"false\" placeholder=\"Votre commentaire*\" name=\"contact-message\"><\/textarea><\/span><br \/>\n\t<span class=\"wpcf7-form-control-wrap recaptcha\" data-name=\"recaptcha\"><span data-sitekey=\"6LfrTVwpAAAAAO-8Y798BV1Fkw1VGKBXJBEV30-H\" class=\"wpcf7-form-control wpcf7-recaptcha g-recaptcha\"><\/span>\r\n<noscript>\r\n\t<div class=\"grecaptcha-noscript\">\r\n\t\t<iframe loading=\"lazy\" src=\"https:\/\/www.google.com\/recaptcha\/api\/fallback?k=6LfrTVwpAAAAAO-8Y798BV1Fkw1VGKBXJBEV30-H\" frameborder=\"0\" scrolling=\"no\" width=\"310\" height=\"430\">\r\n\t\t<\/iframe>\r\n\t\t<textarea name=\"g-recaptcha-response\" rows=\"3\" cols=\"40\" placeholder=\"reCaptcha Response Here\">\r\n\t\t<\/textarea>\r\n\t<\/div>\r\n<\/noscript>\r\n<\/span><br \/>\n<input class=\"wpcf7-form-control wpcf7-submit has-spinner btn btn-small btn-black\" type=\"submit\" value=\"ENVOYER\" \/>\n\t<\/p>\n<\/div><div class=\"wpcf7-response-output\" aria-hidden=\"true\"><\/div>\n<\/form>\n<\/div>\n<\/div><\/div><\/div><\/section><div class=\"vc_row-full-width vc_clearfix\"><\/div>\n<\/div>","protected":false},"excerpt":{"rendered":"Extrait du livre blanc : Le r\u00f4le de l\u2019architecte \u2013 Le Cercle CESAMPr\u00e9ambuleEn parall\u00e8le de la d\u00e9finition des architectures bo\u00eete noire et bo\u00eete blanche, l\u2019architecte doit identifier les interfaces, externes et internes (avec les syst\u00e8mes ext\u00e9rieurs, entre les fonctions du syst\u00e8me et entre ses composants). Tout comme il doit s\u2019assurer que chaque fonction et chaque composant est port\u00e9 en responsabilit\u00e9 par un r\u00f4le, de m\u00eame il doit mettre sous contr\u00f4le l\u2019ensemble des interfaces identifi\u00e9es. L\u2019ESSENTIELLa complexit\u00e9 d\u2019un syst\u00e8me est en autre, li\u00e9e au nombre de ses interfaces qui peut conditionner le nombre de parties prenantes \u00e0 impliquer. La gestion des interfaces (humaines, physiques, logicielles\u2026) est une activit\u00e9 clef de la ma\u00eetrise des risques sur un projet. Dans la partie bo\u00eete noire, la d\u00e9finition des interfaces est un \u00e9l\u00e9ment majeur dans la formalisation du p\u00e9rim\u00e8tre d\u2019\u00e9tude et l\u2019int\u00e9gration du syst\u00e8me dans son environnement. LES ECUEILS PRINCIPAUXParmi les principaux \u00e9cueils, on notera : Identifier des interfaces externes sans se poser la question du besoin qu'on doit couvrir et aller trop vite dans le d\u00e9tail technique (ex : vouloir d\u00e9finir finement les types de donn\u00e9es \u00e0 faire transiter). C'est souvent amplifi\u00e9 par une volont\u00e9 de re-use mal cadr\u00e9e par rapport au nouveau contexte\/besoin....","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[236,237],"tags":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v24.2 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>G\u00e9rer les interfaces fonctionnelles et physiques, internes et externes<\/title>\n<meta name=\"description\" content=\"La complexit\u00e9 d\u2019un syst\u00e8me est en autre, li\u00e9e au nombre de ses interfaces qui peut conditionner le nombre de parties prenantes \u00e0 impliquer...\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" 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