{"id":9488,"date":"2023-09-20T11:54:28","date_gmt":"2023-09-20T08:54:28","guid":{"rendered":"https:\/\/vasexperts.com\/?p=9488"},"modified":"2025-08-11T14:13:41","modified_gmt":"2025-08-11T11:13:41","slug":"case-how-an-operator-can-reduce-the-uplink-cost","status":"publish","type":"post","link":"https:\/\/vasexperts.com\/fr\/blog\/quality-of-experience\/case-how-an-operator-can-reduce-the-uplink-cost\/","title":{"rendered":"Cas : Comment un op\u00e9rateur peut r\u00e9duire le co\u00fbt de uplink"},"content":{"rendered":"<h2>En quoi consiste le co\u00fbt de la liaison uplink ?<\/h2>\r\nD\u2019apr\u00e8s les statistiques que nous avons recueillies sur les op\u00e9rateurs de t\u00e9l\u00e9communications du monde entier, les protocoles les plus gourmands en trafic sont toujours les suivants :\r\n<ul>\r\n\t<li>les services de streaming et d\u2019h\u00e9bergement vid\u00e9o (YouTube, Netflix) ;<\/li>\r\n\t<li>les r\u00e9seaux sociaux et les messageries (WhatsApp, Instagram, Facebook) ;<\/li>\r\n\t<li>les services web.<\/li>\r\n<\/ul>\r\n   [important]  C\u2019est le contenu multim\u00e9dia, en particulier la vid\u00e9o, qui est \u00e0 l\u2019origine de l\u2019augmentation de la charge sur la liaison montante du fournisseur, ce qui entra\u00eene la n\u00e9cessit\u00e9 d\u2019augmenter la largeur de bande et de payer pour une capacit\u00e9 de canal suppl\u00e9mentaire.   [\/important]  \r\n\r\nLe pourcentage des co\u00fbts de location de la liaison montante est particuli\u00e8rement \u00e9lev\u00e9 dans les endroits o\u00f9 il n\u2019est pas facile de poser un c\u00e2ble dorsal en raison du paysage : par exemple, dans certains pays d\u2019Am\u00e9rique latine, une partie importante de l\u2019acc\u00e8s \u00e0 l\u2019internet est fournie par des dorsales pos\u00e9es au fond de l\u2019oc\u00e9an, et le terrain est trop montagneux pour permettre un d\u00e9veloppement rapide et peu co\u00fbteux de l\u2019infrastructure de r\u00e9seau. Il s\u2019av\u00e8re que le propri\u00e9taire du c\u00e2ble sous-marin est celui qui fixe les prix de uplink.\r\n\r\n<noscript><img decoding=\"async\" src=\"\/wp-content\/uploads\/2023\/09\/submarine-cables.jpg\" alt=\"submarine cables in South America\" width=\"100%\" height=\"auto\" class=\"alignnone size-full wp-image-9490\" srcset=\"\/wp-content\/uploads\/2023\/09\/submarine-cables.jpg 900w, \/wp-content\/uploads\/2023\/09\/submarine-cables-300x197.jpg 300w, \/wp-content\/uploads\/2023\/09\/submarine-cables-768x504.jpg 768w\" sizes=\"(max-width: 900px) 100vw, 900px\"><\/noscript><img decoding=\"async\" src=\"\/wp-content\/uploads\/2023\/09\/submarine-cables.jpg\" alt=\"submarine cables in South America\" width=\"100%\" height=\"auto\" class=\"alignnone size-full wp-image-9490 lazyload\" sizes=\"(max-width: 900px) 100vw, 900px\" data-src=\"\/wp-content\/uploads\/2023\/09\/submarine-cables.jpg\" data-srcset=\"\/wp-content\/uploads\/2023\/09\/submarine-cables.jpg 900w, \/wp-content\/uploads\/2023\/09\/submarine-cables-300x197.jpg 300w, \/wp-content\/uploads\/2023\/09\/submarine-cables-768x504.jpg 768w\">\r\n<em>Source: <a href=\"https:\/\/www.submarinecablemap.com\/\" rel=\"nofollow noreferrer noopener\">Submarine Cable Map<\/a><\/em>\r\n<h2>Optimisation par la mise en cache<\/h2>\r\nUn fournisseur de services peut utiliser la mise en cache de contenu pour r\u00e9duire la quantit\u00e9 de trafic provenant d\u2019une liaison montante. La mise en cache du contenu consiste \u00e0 stocker une copie du contenu multim\u00e9dia sur des serveurs situ\u00e9s \u00e0 proximit\u00e9 des utilisateurs finaux.\r\n\r\nLorsqu\u2019un utilisateur demande un contenu qui a d\u00e9j\u00e0 \u00e9t\u00e9 stock\u00e9 dans la m\u00e9moire cache, le serveur renvoie ce contenu \u00e0 partir de la m\u00e9moire cache au lieu de le t\u00e9l\u00e9charger \u00e0 nouveau \u00e0 partir de la liaison montante. Cela permet de r\u00e9duire le volume de trafic qui passe par la dorsale et de r\u00e9duire la charge sur le r\u00e9seau.\r\n\r\nIl convient de noter que les op\u00e9rateurs peuvent configurer ind\u00e9pendamment la mise en cache uniquement pour le trafic non crypt\u00e9, dont la part est en constante diminution et tend \u00e0 \u00eatre r\u00e9duite au minimum. Dans le cas des contenus multim\u00e9dias, il existe deux options pour la mise en cache : soit la fournir par l\u2019interm\u00e9diaire d\u2019un CDN, soit la demander au fournisseur de contenu lui-m\u00eame. Dans ce cas, il faut s\u2019adresser directement \u00e0 TikTok\/Meta\/Google, etc.\r\n\r\nL\u2019un de nos clients en Am\u00e9rique latine a tir\u00e9 parti de cette option pour r\u00e9duire les co\u00fbts de liaison montante. L\u2019op\u00e9rateur utilise <a href=\"\/fr\/products\/cgnat\/\" rel=\"noopener noreferrer\">CG-NAT<\/a> et <a href=\"\/fr\/products\/qoe-analytics\/\" rel=\"noopener noreferrer\">le module analytique<\/a> de VAS Experts, ce qui lui permet de contr\u00f4ler habilement le trafic, de r\u00e9agir aux changements et de mon\u00e9tiser les donn\u00e9es analytiques.\r\n\r\n<noscript><img decoding=\"async\" src=\"\/wp-content\/uploads\/2023\/09\/traffic-speed-by-protocols.png\" alt=\"Traffic speed by protocols\" width=\"100%\" height=\"auto\" class=\"alignnone size-full wp-image-9491\" srcset=\"\/wp-content\/uploads\/2023\/09\/traffic-speed-by-protocols.png 1919w, \/wp-content\/uploads\/2023\/09\/traffic-speed-by-protocols-300x145.png 300w, \/wp-content\/uploads\/2023\/09\/traffic-speed-by-protocols-1024x496.png 1024w, \/wp-content\/uploads\/2023\/09\/traffic-speed-by-protocols-768x372.png 768w, \/wp-content\/uploads\/2023\/09\/traffic-speed-by-protocols-1536x744.png 1536w\" sizes=\"(max-width: 1919px) 100vw, 1919px\"><\/noscript><img decoding=\"async\" src=\"\/wp-content\/uploads\/2023\/09\/traffic-speed-by-protocols.png\" alt=\"Traffic speed by protocols\" width=\"100%\" height=\"auto\" class=\"alignnone size-full wp-image-9491 lazyload\" sizes=\"(max-width: 1919px) 100vw, 1919px\" data-src=\"\/wp-content\/uploads\/2023\/09\/traffic-speed-by-protocols.png\" data-srcset=\"\/wp-content\/uploads\/2023\/09\/traffic-speed-by-protocols.png 1919w, \/wp-content\/uploads\/2023\/09\/traffic-speed-by-protocols-300x145.png 300w, \/wp-content\/uploads\/2023\/09\/traffic-speed-by-protocols-1024x496.png 1024w, \/wp-content\/uploads\/2023\/09\/traffic-speed-by-protocols-768x372.png 768w, \/wp-content\/uploads\/2023\/09\/traffic-speed-by-protocols-1536x744.png 1536w\">\r\n\r\nSi l\u2019on analyse la r\u00e9partition du trafic sur le r\u00e9seau de l\u2019op\u00e9rateur pendant les heures de pointe, on constate que 18 \u00e0 20 % de la bande passante est occup\u00e9e par des t\u00e9l\u00e9chargements de contenu dans l\u2019application TikTok. Dans ce cas, c\u2019est m\u00eame plus que le trafic YouTube. Dans le rapport sur le top des h\u00f4tes, filtrons la liste par protocole TikTok et voyons tous les h\u00f4tes et la vitesse de leur trafic :\r\n\r\n<noscript><img decoding=\"async\" src=\"\/wp-content\/uploads\/2023\/09\/tiktok-hosts.png\" alt=\"TikTok Hosts\" width=\"100%\" height=\"auto\" class=\"alignnone size-full wp-image-9492\" srcset=\"\/wp-content\/uploads\/2023\/09\/tiktok-hosts.png 1919w, \/wp-content\/uploads\/2023\/09\/tiktok-hosts-300x146.png 300w, \/wp-content\/uploads\/2023\/09\/tiktok-hosts-1024x497.png 1024w, \/wp-content\/uploads\/2023\/09\/tiktok-hosts-768x373.png 768w, \/wp-content\/uploads\/2023\/09\/tiktok-hosts-1536x745.png 1536w\" sizes=\"(max-width: 1919px) 100vw, 1919px\"><\/noscript><img decoding=\"async\" src=\"\/wp-content\/uploads\/2023\/09\/tiktok-hosts.png\" alt=\"TikTok Hosts\" width=\"100%\" height=\"auto\" class=\"alignnone size-full wp-image-9492 lazyload\" sizes=\"(max-width: 1919px) 100vw, 1919px\" data-src=\"\/wp-content\/uploads\/2023\/09\/tiktok-hosts.png\" data-srcset=\"\/wp-content\/uploads\/2023\/09\/tiktok-hosts.png 1919w, \/wp-content\/uploads\/2023\/09\/tiktok-hosts-300x146.png 300w, \/wp-content\/uploads\/2023\/09\/tiktok-hosts-1024x497.png 1024w, \/wp-content\/uploads\/2023\/09\/tiktok-hosts-768x373.png 768w, \/wp-content\/uploads\/2023\/09\/tiktok-hosts-1536x745.png 1536w\">\r\n\r\nAfin de r\u00e9duire la part de TikTok dans le canal et de lib\u00e9rer des ressources pour d\u2019autres protocoles gr\u00e2ce \u00e0 la mise en cache, les sp\u00e9cialistes techniques du FAI ont entam\u00e9 une correspondance avec le si\u00e8ge du fournisseur de contenu en Chine. Apr\u00e8s avoir fourni des captures d\u2019\u00e9cran du module d\u2019analyse de la qualit\u00e9 de l\u2019exp\u00e9rience pour justifier la n\u00e9cessit\u00e9 d\u2019installer un serveur de cache et de pr\u00e9voir sa mise \u00e0 l\u2019\u00e9chelle, ils ont demand\u00e9 \u00e0 ce que la mise en cache soit activ\u00e9e.\r\n\r\nL\u2019op\u00e9rateur pr\u00e9voit ainsi d\u2019\u00e9conomiser jusqu\u2019\u00e0 100 000 dollars par an.\r\n\r\n[product id=\u00a0\u00bb108\u2033 type=\u00a0\u00bbdark\u00a0\u00bb]","protected":false},"excerpt":{"rendered":"<p>La r\u00e9duction des d\u00e9penses d&rsquo;exploitation joue un r\u00f4le important dans l&rsquo;activit\u00e9 d&rsquo;un FAI, en particulier pour ceux qui sont en phase active de d\u00e9veloppement et de croissance. Pour chaque poste de d\u00e9penses, qu&rsquo;il s&rsquo;agisse du d\u00e9veloppement de l&rsquo;infrastructure ou du marketing, il existe diff\u00e9rents m\u00e9canismes d&rsquo;optimisation ; dans cet article, nous parlerons des co\u00fbts de location de uplink.<\/p>\n","protected":false},"author":7,"featured_media":9493,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[44],"tags":[],"class_list":["post-9488","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-quality-of-experience"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v23.1 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>(English) VASExperts<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<script type=\"application\/ld+json\" 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