{"id":74246,"date":"2025-10-15T12:13:51","date_gmt":"2025-10-15T10:13:51","guid":{"rendered":"https:\/\/jotelulu.com\/fr-fr\/blog\/"},"modified":"2025-10-17T11:41:47","modified_gmt":"2025-10-17T09:41:47","slug":"virtual-network-functions-vnf-cloud-jotelulu","status":"publish","type":"post","link":"https:\/\/jotelulu.com\/fr-fr\/blog\/virtual-network-functions-vnf-cloud-jotelulu\/","title":{"rendered":"Qu\u2019est-ce qu\u2019une VNF (Virtual Network Function) et comment l\u2019utiliser sur Jotelulu : r\u00e9seaux L2, IP publique shared et cas d\u2019usage"},"content":{"rendered":"<h1 data-prosemirror-content-type=\"node\" data-prosemirror-node-name=\"heading\" data-prosemirror-node-block=\"true\" data-pm-slice=\"1 1 []\">Virtual Network Functions (VNF) sur Jotelulu<\/h1>\n<p>&nbsp;<\/p>\n<p data-prosemirror-content-type=\"node\" data-prosemirror-node-name=\"paragraph\" data-prosemirror-node-block=\"true\">Vous vous \u00eates s\u00fbrement d\u00e9j\u00e0 retrouv\u00e9 dans cette situation :<\/p>\n<p>&nbsp;<\/p>\n<p data-prosemirror-content-type=\"node\" data-prosemirror-node-name=\"paragraph\" data-prosemirror-node-block=\"true\">Vous devez d\u00e9ployer un <strong data-prosemirror-content-type=\"mark\" data-prosemirror-mark-name=\"strong\">Fortinet<\/strong>, un <strong data-prosemirror-content-type=\"mark\" data-prosemirror-mark-name=\"strong\">SonicWall<\/strong> ou un <strong data-prosemirror-content-type=\"mark\" data-prosemirror-mark-name=\"strong\">WatchGuard<\/strong> dans un environnement cloud\u2026 et les choses se compliquent. Configuration manuelle, probl\u00e8mes de NAT, manque de flexibilit\u00e9 des r\u00e9seaux, des heures perdues pour mettre en place quelque chose qui devrait \u00eatre simple.<\/p>\n<p>&nbsp;<\/p>\n<p data-prosemirror-content-type=\"node\" data-prosemirror-node-name=\"paragraph\" data-prosemirror-node-block=\"true\">Chez Jotelulu, nous avons \u00e9cout\u00e9 ces plaintes de la part de beaucoup d\u2019entre vous. Et nous avons trouv\u00e9 la solution en int\u00e9grant les images officielles des principaux fabricants de s\u00e9curit\u00e9 directement sur notre plateforme. D\u00e9sormais, d\u00e9ployer une VNF n\u2019est plus un projet interminable, mais un processus <strong data-prosemirror-content-type=\"mark\" data-prosemirror-mark-name=\"strong\">automatis\u00e9, guid\u00e9 et pr\u00eat en quelques minutes<\/strong>.<\/p>\n<p>&nbsp;<\/p>\n<h2 data-prosemirror-content-type=\"node\" data-prosemirror-node-name=\"heading\" data-prosemirror-node-block=\"true\">Qu\u2019est-ce qu\u2019une VNF et pourquoi est-ce important<\/h2>\n<p>&nbsp;<\/p>\n<p data-prosemirror-content-type=\"node\" data-prosemirror-node-name=\"paragraph\" data-prosemirror-node-block=\"true\">Une <strong data-prosemirror-content-type=\"mark\" data-prosemirror-mark-name=\"strong\">VNF (Virtual Network Function)<\/strong> n\u2019est rien d\u2019autre que la version software des traditionnels appliances physiques de r\u00e9seau.<\/p>\n<p>&nbsp;<\/p>\n<p data-prosemirror-content-type=\"node\" data-prosemirror-node-name=\"paragraph\" data-prosemirror-node-block=\"true\">Ce qui \u00e9tait auparavant un firewall avec ses ventilateurs et son rack est maintenant une machine virtuelle pr\u00eate \u00e0 d\u00e9marrer dans le cloud.<\/p>\n<p>&nbsp;<\/p>\n<p data-prosemirror-content-type=\"node\" data-prosemirror-node-name=\"paragraph\" data-prosemirror-node-block=\"true\">Cela change les r\u00e8gles du jeu, car :<\/p>\n<p>&nbsp;<\/p>\n<ul class=\"ak-ul\" data-prosemirror-content-type=\"node\" data-prosemirror-node-name=\"bulletList\" data-prosemirror-node-block=\"true\">\n<li>Vous gagnez en <strong>flexibilit\u00e9<\/strong> : d\u00e9ployez o\u00f9 vous voulez, quand vous voulez.<\/li>\n<li>Vous gagnez en <strong>agilit\u00e9<\/strong> : passez de plusieurs semaines d\u2019attente \u00e0 quelques minutes.<\/li>\n<li>Vous gagnez en <strong>contr\u00f4le<\/strong> : int\u00e9grez la s\u00e9curit\u00e9 et la connectivit\u00e9 sur la m\u00eame plateforme o\u00f9 vous g\u00e9rez vos serveurs.<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<h2>Cas d\u2019usage r\u00e9els<\/h2>\n<p>&nbsp;<\/p>\n<ul class=\"ak-ul\">\n<li><strong>Firewall virtuel<\/strong> pour segmenter des environnements critiques.<\/li>\n<li><strong>VPN Concentrator<\/strong> pour les acc\u00e8s \u00e0 distance.<\/li>\n<li><strong>\u00c9quilibreur de charge virtuel<\/strong> pour les applications n\u00e9cessitant une haute disponibilit\u00e9.<\/li>\n<li><strong>IDS\/IPS<\/strong> pour renforcer la s\u00e9curit\u00e9 sans d\u00e9pendre du hardware physique.<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<h2>Ce que nous avons mis en place sur Jotelulu<\/h2>\n<p>&nbsp;<\/p>\n<p>En plus des images officielles des fabricants (Fortinet, SonicWall, WatchGuard, etc.), nous avons ajout\u00e9 de nouvelles fonctionnalit\u00e9s \u00e0 la plateforme qui rendent tout cela possible :<\/p>\n<p>&nbsp;<\/p>\n<h4>R\u00e9seaux Layer 2 (L2)<\/h4>\n<p>Imaginez avoir un switch virtuel dans le cloud. C\u2019est ce que sont les r\u00e9seaux L2 : du trafic bas\u00e9 sur l\u2019adresse <strong>MAC<\/strong>, sans services r\u00e9seau pr\u00e9configur\u00e9s (IP, gateway ou DNS).<\/p>\n<p>&nbsp;<\/p>\n<ul class=\"ak-ul\">\n<li>Ils vous permettent de reproduire des topologies complexes, comme dans un data center physique.<\/li>\n<li>Vous pouvez configurer une IP lors du d\u00e9ploiement afin de pr\u00e9parer des acc\u00e8s distants depuis votre propre VNF (firewall, router, etc.).<\/li>\n<li>Si vous ne configurez pas de gateway, cette interface n\u2019aura pas de sortie vers Internet : le contr\u00f4le est 100 % entre vos mains.<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<p>Les L2, c\u2019est libert\u00e9 et contr\u00f4le. C\u2019est vous qui d\u00e9cidez comment configurer le r\u00e9seau, nous vous donnons la base pour le faire.<\/p>\n<p>&nbsp;<\/p>\n<h4>IP Publique Shared<\/h4>\n<p>Lorsque vous d\u00e9ployez une VNF, vous avez besoin de plus que de la connectivit\u00e9 interne : vous devez l\u2019exposer au monde. C\u2019est \u00e0 cela que servent les <strong>IP Publiques Shared<\/strong>.<\/p>\n<p>&nbsp;<\/p>\n<ul class=\"ak-ul\">\n<li>Ce sont des IP publiques d\u00e9di\u00e9es aux VNFs.<\/li>\n<li>Elles se connectent directement au serveur, sans NAT interm\u00e9diaire.<\/li>\n<li>En l\u2019absence de NAT, la <strong>s\u00e9curit\u00e9 d\u00e9pend enti\u00e8rement de votre VNF<\/strong> : configurez-le correctement, filtrez les acc\u00e8s et bloquez ce qui ne doit pas entrer.<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<p>Une Shared IP est de la puissance brute : acc\u00e8s direct \u00e0 Internet, sans interm\u00e9diaires. Vous installez le firewall, vous d\u00e9cidez.<\/p>\n<p>&nbsp;<\/p>\n<h2>Ce que cela signifie pour vous, partner<\/h2>\n<p>&nbsp;<\/p>\n<ul class=\"ak-ul\">\n<li>Vous pouvez <strong>proposer \u00e0 vos clients<\/strong> des firewalls, VPNs et \u00e9quilibreurs de charge des principaux fabricants, sans complications de d\u00e9ploiement.<\/li>\n<li>Vous r\u00e9duisez <strong>les co\u00fbts et les d\u00e9lais<\/strong> : plus besoin d\u2019acheter du mat\u00e9riel ni de r\u00e9aliser des installations physiques.<\/li>\n<li>Vous gagnez en <strong>flexibilit\u00e9<\/strong> : concevez des architectures r\u00e9seau dans le cloud avec la m\u00eame libert\u00e9 que sur site (on-prem).<\/li>\n<li>Vous vous positionnez comme un <strong>fournisseur complet<\/strong>, capable de fournir serveurs, s\u00e9curit\u00e9 et connectivit\u00e9 depuis un seul et unique panneau.<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<p><strong>En r\u00e9sum\u00e9 :<\/strong><\/p>\n<p>&nbsp;<\/p>\n<p>Les VNF sur Jotelulu ne sont pas seulement une nouvelle feature. Ce sont la pi\u00e8ce manquante pour que des partners comme vous puissent d\u00e9ployer des infrastructures r\u00e9seau et s\u00e9curit\u00e9 compl\u00e8tes en quelques minutes, avec les outils habituels (Fortinet, SonicWall, WatchGuard) mais avec l\u2019agilit\u00e9 du cloud.<\/p>\n<p>&nbsp;<\/p>\n<article class=\"text-token-text-primary w-full focus:outline-none [--shadow-height:45px] has-data-writing-block:pointer-events-none has-data-writing-block:-mt-(--shadow-height) has-data-writing-block:pt-(--shadow-height) [&amp;:has([data-writing-block])&gt;*]:pointer-events-auto scroll-mt-[calc(var(--header-height)+min(200px,max(70px,20svh)))]\" dir=\"auto\" tabindex=\"-1\" data-turn-id=\"2f64bcd4-778f-45fd-9a65-ffafa1e0e058\" data-testid=\"conversation-turn-2\" data-scroll-anchor=\"true\" data-turn=\"assistant\">\n<div class=\"text-base my-auto mx-auto pb-10 [--thread-content-margin:--spacing(4)] thread-sm:[--thread-content-margin:--spacing(6)] thread-lg:[--thread-content-margin:--spacing(16)] px-(--thread-content-margin)\">\n<div class=\"[--thread-content-max-width:40rem] thread-lg:[--thread-content-max-width:48rem] mx-auto max-w-(--thread-content-max-width) flex-1 group\/turn-messages focus-visible:outline-hidden relative flex w-full min-w-0 flex-col agent-turn\" tabindex=\"-1\">\n<div class=\"flex max-w-full flex-col grow\">\n<div class=\"min-h-8 text-message relative flex w-full flex-col items-end gap-2 text-start break-words whitespace-normal [.text-message+&amp;]:mt-1\" dir=\"auto\" data-message-author-role=\"assistant\" data-message-id=\"2dada17f-2b6a-43cb-85c1-621362481286\" data-message-model-slug=\"gpt-5-mini\">\n<div class=\"flex w-full flex-col gap-1 empty:hidden first:pt-[1px]\">\n<div class=\"markdown prose dark:prose-invert w-full break-words light markdown-new-styling\">\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<h4 data-prosemirror-content-type=\"node\" data-prosemirror-node-name=\"paragraph\" data-prosemirror-node-block=\"true\">Nous vous proposons ci-dessous quelques tutoriels qui pourraient vous \u00eatre utiles :<\/h4>\n<ul>\n<li><a href=\"https:\/\/jotelulu.com\/fr-fr\/assistance\/tutoriels\/migrer-fortigate-on-premise-ou-cloud-vers-jotelulu\/\" target=\"_blank\" rel=\"noopener\">Migrer un FortiGate depuis On-premise ou Cloud vers Jotelulu : guide complet avec configuration et licence<\/a><\/li>\n<li><a href=\"https:\/\/jotelulu.com\/fr-fr\/assistance\/tutoriels\/deployer-fortigate-vnf-cloud-jotelulu\/\" target=\"_blank\" rel=\"noopener\">Comment d\u00e9ployer un FortiGate VNF dans le cloud avec Jotelulu \u00e9tape par \u00e9tape<\/a><\/li>\n<\/ul>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/article>\n","protected":false},"excerpt":{"rendered":"<p>Virtual Network Functions (VNF) sur Jotelulu &nbsp; Vous vous \u00eates s\u00fbrement d\u00e9j\u00e0 retrouv\u00e9 dans cette situation : &nbsp; Vous devez d\u00e9ployer un Fortinet, un SonicWall ou un WatchGuard dans un environnement cloud\u2026 et les choses se compliquent. Configuration manuelle, probl\u00e8mes de NAT, manque de flexibilit\u00e9 des r\u00e9seaux, des heures perdues pour mettre en place quelque [&hellip;]<\/p>\n","protected":false},"author":33,"featured_media":68188,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[264],"tags":[],"class_list":["post-74246","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-nouveautes-produits"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.4 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Virtual Network Functions (VNF) sur Jotelulu: int\u00e9grez vos firewalls et r\u00e9seaux virtuels avec agilit\u00e9 et contr\u00f4le total<\/title>\n<meta name=\"description\" content=\"D\u00e9couvrez comment Jotelulu simplifie le d\u00e9ploiement des Virtual Network Functions (VNF) avec flexibilit\u00e9, 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