{"id":1513,"date":"2009-07-06T23:06:38","date_gmt":"2009-07-06T22:06:38","guid":{"rendered":"http:\/\/www.ziserman.com\/blog\/?p=1513"},"modified":"2009-07-06T23:06:38","modified_gmt":"2009-07-06T22:06:38","slug":"separer-le-back-du-front","status":"publish","type":"post","link":"https:\/\/www.ziserman.com\/blog\/2009\/07\/06\/separer-le-back-du-front\/","title":{"rendered":"S\u00e9parer le back du front"},"content":{"rendered":"<p>La plupart des syst\u00e8mes e-commerce regroupent, sur un m\u00eame serveur, le Front office et le back office.<\/p>\n<p>Bon, quand on se lance, il est compl\u00e8tement normal de tout mettre sur un seul serveur : on n&rsquo;a pas l&rsquo;argent pour se payer plusieurs machines. Et puis le trafic des premiers mois ne pose pas vraiment de probl\u00e8me&#8230;<\/p>\n<p>Par la suite, c&rsquo;est une autre histoire.<\/p>\n<p>Le site e-commerce repr\u00e9sente un chiffre d&rsquo;affaire conc\u00e9quent&#8230; Et la moindre interruption de service met en danger l&rsquo;\u00e9quilibre de \u00ab\u00a0la petite entreprise e-commerce\u00a0\u00bb.<\/p>\n<p>Le Front office doit donc \u00eatre en ligne 24h sur 24, 7 jours sur 7.<\/p>\n<p>Pour garantir ce r\u00e9sultat, il faut <strong>isoler le Front au maximum<\/strong>.<\/p>\n<p>C&rsquo;est le meilleur moyen de garantir que le front est \u00ab\u00a0centr\u00e9\u00a0\u00bb sur sa mission : r\u00e9pondre, dans un temps tr\u00e8s court, aux requ\u00eates des internautes.<\/p>\n<p>Le back office n&rsquo;entre pas dans cette mission&#8230; Il doit donc \u00eatre d\u00e9coupl\u00e9 du Front.<\/p>\n<p>Une premi\u00e8re \u00e9tape peut \u00eatre de monter une architecture \u00e0 trois niveaux :<\/p>\n<ul>\n<li>Le Front office, compos\u00e9 d&rsquo;un ou plusieurs serveurs Web<\/li>\n<li>La base de donn\u00e9es, h\u00e9berg\u00e9e sur son propre serveur<\/li>\n<li>Le Back office, h\u00e9berg\u00e9 sur un autre serveur<\/li>\n<\/ul>\n<p>C&rsquo;est une bonne solution, qui a l&rsquo;avantage de pouvoir \u00eatre mise en oeuvre pratiquement sans modifier les solutions e-commerce du march\u00e9.<\/p>\n<p>Avantages :<br \/>\nLes programmes back office ne p\u00e9nalisent plus le Front.<\/p>\n<p>Limites majeures :<br \/>\nSi une page du back sollicite beaucoup la base de donn\u00e9es, les temps de r\u00e9ponses du front seront bien impact\u00e9s par l&rsquo;utilisation du back&#8230;<br \/>\nAutre limite : toute b\u00eatise sur le back sera instantann\u00e9ment visible sur le Front.<\/p>\n<p>Et puis, pour un site plus pro, on souhaite un d\u00e9couplage plus fort :<br \/>\nOn veut, par exemple, mettre \u00e0 jour le catalogue, et pouvoir \u00ab\u00a0recetter\u00a0\u00bb les modifications, avant qu&rsquo;elles soient en ligne.<\/p>\n<p>L&rsquo;\u00e9tape d&rsquo;apr\u00e8s consiste donc \u00e0 avoir un ensemble front complet, compos\u00e9 de serveurs front, avec une base de donn\u00e9es d\u00e9di\u00e9e.<\/p>\n<p><strong>Le back office est compl\u00e8tement s\u00e9par\u00e9, avec sa propre base de donn\u00e9es<\/strong>.<\/p>\n<p>Si on part d&rsquo;une solution e-commerce toute faite, on peut arriver \u00e0 ce r\u00e9sultat assez facilement&#8230;<\/p>\n<p>Toute la question, sur un tel syst\u00e8me, c&rsquo;est : <strong>comment synchroniser les donn\u00e9es entre les bases du Front et du Back<\/strong>.<\/p>\n<p>L\u00e0, pas de solution magique : il va faloir <strong>d\u00e9velopper une couche de synchronisation<\/strong>.<\/p>\n<p>Et \u00e7a, \u00e7a sera l&rsquo;occasion de pleins d&rsquo;autres billets&#8230;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>La plupart des syst\u00e8mes e-commerce regroupent, sur un m\u00eame serveur, le Front office et le back office. Bon, quand on se lance, il est compl\u00e8tement normal de tout mettre sur un seul serveur : on n&rsquo;a pas l&rsquo;argent pour se payer plusieurs machines. Et puis le trafic des premiers mois ne pose pas vraiment de [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_monsterinsights_skip_tracking":false,"footnotes":""},"categories":[2],"tags":[379,371,139],"class_list":["post-1513","post","type-post","status-publish","format-standard","hentry","category-e-commerce","tag-araok","tag-e-commerce","tag-systeme-dinformation"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.2 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>S\u00e9parer le back du front - Ziserman.com<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.ziserman.com\/blog\/2009\/07\/06\/separer-le-back-du-front\/\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"S\u00e9parer le back du front - Ziserman.com\" \/>\n<meta property=\"og:description\" content=\"La plupart des syst\u00e8mes e-commerce regroupent, sur un m\u00eame serveur, le Front office et le back office. 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