{"id":19930,"date":"2024-02-28T12:05:01","date_gmt":"2024-02-28T11:05:01","guid":{"rendered":"https:\/\/www.transparentedge.eu\/en\/blog\/"},"modified":"2025-07-08T15:18:01","modified_gmt":"2025-07-08T13:18:01","slug":"beyond-caching-content-two-alternative-cdn-approaches","status":"publish","type":"post","link":"https:\/\/www.transparentedge.eu\/en\/blog\/beyond-caching-content-two-alternative-cdn-approaches\/","title":{"rendered":"Beyond caching content: two alternative CDN approaches"},"content":{"rendered":"\n<p>The reverse proxy cache mode of a CDN is the most widely used, but a next-generation network like Transparent Edge offers many more possibilities. In this post we present some alternatives: load balancer and API Gateway. <strong><em>To the edge and beyond!<\/em><\/strong><\/p>\n\n\n\n<p>It is well known, from other posts on our blog, the benefits and advantages of using a CDN like ours in front of your website. Your page will load like lightning from any point on the planet, Google will like you as much as <a href=\"https:\/\/en.wikipedia.org\/wiki\/Wile_E._Coyote_and_the_Road_Runner\" target=\"_blank\" rel=\"noreferrer noopener nofollow\">Wile E. Coyote chasing the Road Runner<\/a>. Not to mention that the web security of your site will be on par with the defense of <a href=\"https:\/\/www.estadiodeportivo.com\/futbol\/sevilla-fc\/las-memorias-javi-navarro-pablo-alfaro-nos-gritaban-asesinos-pero-era-gasolina-para-cuerpo-20230312-414987.html\" target=\"_blank\" rel=\"noreferrer noopener nofollow\">Pablo Alfaro and Javi Navarro&#8217;s<\/a> <a href=\"https:\/\/sevillafc.es\/en\" target=\"_blank\" rel=\"noreferrer noopener nofollow\">Sevilla Football Club<\/a>.<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"307\" src=\"https:\/\/www.transparentedge.eu\/wp-content\/uploads\/2024\/02\/blog-Hasta-el-edge-y-mas-alla-1024x307.jpg\" alt=\"\" class=\"wp-image-18709\" srcset=\"https:\/\/www.transparentedge.eu\/wp-content\/uploads\/2024\/02\/blog-Hasta-el-edge-y-mas-alla-1024x307.jpg 1024w, https:\/\/www.transparentedge.eu\/wp-content\/uploads\/2024\/02\/blog-Hasta-el-edge-y-mas-alla-300x90.jpg 300w, https:\/\/www.transparentedge.eu\/wp-content\/uploads\/2024\/02\/blog-Hasta-el-edge-y-mas-alla-768x230.jpg 768w, https:\/\/www.transparentedge.eu\/wp-content\/uploads\/2024\/02\/blog-Hasta-el-edge-y-mas-alla-1536x461.jpg 1536w, https:\/\/www.transparentedge.eu\/wp-content\/uploads\/2024\/02\/blog-Hasta-el-edge-y-mas-alla.jpg 1667w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<p>However, there are many other features and modes of operation that you can take advantage of when working with a <a href=\"https:\/\/www.transparentedge.eu\/en\/content-delivery-cdn\/next-generation-cdn\/\">next-generation CDN<\/a> like Transparent Edge.<\/p>\n\n\n\n<p>In this post we explain some modes of operation in which you can use a CDN beyond caching content (reverse proxy cache, load balancer and API Gateway).<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Reverse Proxy Cache: the most popular option<\/h3>\n\n\n\n<p>It is no surprise if I tell you that, greatly simplifying, a CDN is nothing more than an extensive network of proxy servers spread across different parts of the planet. Its main purpose is to cache the content of its clients&#8217; web pages in order to make web objects load much faster.<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"320\" src=\"https:\/\/www.transparentedge.eu\/wp-content\/uploads\/2024\/02\/TE_balanceador_descarga_02-1024x320.png\" alt=\"Reverse proxy\" class=\"wp-image-18702\" srcset=\"https:\/\/www.transparentedge.eu\/wp-content\/uploads\/2024\/02\/TE_balanceador_descarga_02-1024x320.png 1024w, https:\/\/www.transparentedge.eu\/wp-content\/uploads\/2024\/02\/TE_balanceador_descarga_02-300x94.png 300w, https:\/\/www.transparentedge.eu\/wp-content\/uploads\/2024\/02\/TE_balanceador_descarga_02-768x240.png 768w, https:\/\/www.transparentedge.eu\/wp-content\/uploads\/2024\/02\/TE_balanceador_descarga_02-1536x480.png 1536w, https:\/\/www.transparentedge.eu\/wp-content\/uploads\/2024\/02\/TE_balanceador_descarga_02.png 1667w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<p>This operating mode has many other advantages. For example, <a href=\"https:\/\/www.transparentedge.eu\/en\/perimetrical\/\">all the security measures<\/a> that can be implemented at this layer or the ability to absorb large volumes of traffic, without making large investments in the infrastructure of your origin platform.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Alternative operations: load balancer and API Gateway<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Load balancer<\/strong><\/li>\n<\/ul>\n\n\n\n<p>A load balancer is a network element that is usually located within the client&#8217;s infrastructure and is used to distribute the traffic of a specific service between different servers.<\/p>\n\n\n\n<p>The purpose of a load balancer is to provide the service with high availability. In such a way that, in the event of a hypothetical failure of one of the servers behind the load balancer, the service is not affected and its continuity is guaranteed.<\/p>\n\n\n\n<p>However, a CDN can do the work of a web load balancer going one step further than a traditional load balancer. A CDN offers all the functionalities of a traditional load balancer, but it makes it possible to perform load balancing at the data center level, thanks to the fact that it is not physically located on the client&#8217;s premises. This allows your application to be distributed across different data centers, eliminating a very difficult point of failure to overcome, such as the data center.<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"416\" src=\"https:\/\/www.transparentedge.eu\/wp-content\/uploads\/2024\/02\/TE_balanceador_descarga_03-1024x416.png\" alt=\"Load balancer\" class=\"wp-image-18704\" srcset=\"https:\/\/www.transparentedge.eu\/wp-content\/uploads\/2024\/02\/TE_balanceador_descarga_03-1024x416.png 1024w, https:\/\/www.transparentedge.eu\/wp-content\/uploads\/2024\/02\/TE_balanceador_descarga_03-300x122.png 300w, https:\/\/www.transparentedge.eu\/wp-content\/uploads\/2024\/02\/TE_balanceador_descarga_03-768x312.png 768w, https:\/\/www.transparentedge.eu\/wp-content\/uploads\/2024\/02\/TE_balanceador_descarga_03-1536x624.png 1536w, https:\/\/www.transparentedge.eu\/wp-content\/uploads\/2024\/02\/TE_balanceador_descarga_03.png 1667w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<p>For example, we could configure a simple <em>Active-Passive<\/em> balancing policy, where the main origin of the CDN is datacenter A and in case of a datacenter failure, it would automatically switch to the backup datacenter.<\/p>\n\n\n\n<p>Or, if we want to go a step further, an Active-Active balancing policy could be configured. Source traffic would be served from two or more data centers indiscriminately, either by weights or by other more <a href=\"https:\/\/docs.transparentedge.eu\/v\/english\/guias\/tomando-decisiones-sobre-las-cabeceras-http\" target=\"_blank\" rel=\"noreferrer noopener\">advanced balancing policies<\/a>.<\/p>\n\n\n\n<figure data-wp-context=\"{&quot;imageId&quot;:&quot;6a036689222d1&quot;}\" data-wp-interactive=\"core\/image\" data-wp-key=\"6a036689222d1\" class=\"wp-block-image size-large is-resized wp-lightbox-container\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"928\" data-wp-class--hide=\"state.isContentHidden\" data-wp-class--show=\"state.isContentVisible\" data-wp-init=\"callbacks.setButtonStyles\" data-wp-on--click=\"actions.showLightbox\" data-wp-on--load=\"callbacks.setButtonStyles\" data-wp-on-window--resize=\"callbacks.setButtonStyles\" src=\"https:\/\/www.transparentedge.eu\/wp-content\/uploads\/2024\/02\/TE_balanceador_descarga_01-1024x928.png\" alt=\"Backup recovery system\" class=\"wp-image-18706\" style=\"aspect-ratio:1;object-fit:contain;width:auto;height:800px\" srcset=\"https:\/\/www.transparentedge.eu\/wp-content\/uploads\/2024\/02\/TE_balanceador_descarga_01-1024x928.png 1024w, https:\/\/www.transparentedge.eu\/wp-content\/uploads\/2024\/02\/TE_balanceador_descarga_01-300x272.png 300w, https:\/\/www.transparentedge.eu\/wp-content\/uploads\/2024\/02\/TE_balanceador_descarga_01-768x696.png 768w, https:\/\/www.transparentedge.eu\/wp-content\/uploads\/2024\/02\/TE_balanceador_descarga_01-1536x1392.png 1536w, https:\/\/www.transparentedge.eu\/wp-content\/uploads\/2024\/02\/TE_balanceador_descarga_01.png 1667w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><button\n\t\t\tclass=\"lightbox-trigger\"\n\t\t\ttype=\"button\"\n\t\t\taria-haspopup=\"dialog\"\n\t\t\taria-label=\"Enlarge\"\n\t\t\tdata-wp-init=\"callbacks.initTriggerButton\"\n\t\t\tdata-wp-on--click=\"actions.showLightbox\"\n\t\t\tdata-wp-style--right=\"state.imageButtonRight\"\n\t\t\tdata-wp-style--top=\"state.imageButtonTop\"\n\t\t>\n\t\t\t<svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"12\" height=\"12\" fill=\"none\" viewBox=\"0 0 12 12\">\n\t\t\t\t<path fill=\"#fff\" d=\"M2 0a2 2 0 0 0-2 2v2h1.5V2a.5.5 0 0 1 .5-.5h2V0H2Zm2 10.5H2a.5.5 0 0 1-.5-.5V8H0v2a2 2 0 0 0 2 2h2v-1.5ZM8 12v-1.5h2a.5.5 0 0 0 .5-.5V8H12v2a2 2 0 0 1-2 2H8Zm2-12a2 2 0 0 1 2 2v2h-1.5V2a.5.5 0 0 0-.5-.5H8V0h2Z\" \/>\n\t\t\t<\/svg>\n\t\t<\/button><\/figure>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>API <\/strong><strong><em>Gateway<\/em><\/strong><\/li>\n<\/ul>\n\n\n\n<p>In this mode of operation, the CDN is the single entry point for the different endpoints of your API. When in reality, the same API, at its origin, is distributed across different servers or even different microservices.<\/p>\n\n\n\n<p>Its greatest advantage is that you consolidate all access through a single point, a single domain, a single SSL management, while providing your API with all the security measures that a service like ours can offer. To mention some interesting ones that are particularly applicable in this case, we can implement rate limits, endpoint tokenization, parameter validation or advanced deployments such as <a href=\"https:\/\/www.transparentedge.eu\/blog\/canary-deployment\/\">canary deployment<\/a> or blue\/green deployment, among others.<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"416\" src=\"https:\/\/www.transparentedge.eu\/wp-content\/uploads\/2024\/02\/TE_balanceador_descarga_04-1024x416.png\" alt=\"API Gateway para diferentes APIs\" class=\"wp-image-18727\" srcset=\"https:\/\/www.transparentedge.eu\/wp-content\/uploads\/2024\/02\/TE_balanceador_descarga_04-1024x416.png 1024w, https:\/\/www.transparentedge.eu\/wp-content\/uploads\/2024\/02\/TE_balanceador_descarga_04-300x122.png 300w, https:\/\/www.transparentedge.eu\/wp-content\/uploads\/2024\/02\/TE_balanceador_descarga_04-768x312.png 768w, https:\/\/www.transparentedge.eu\/wp-content\/uploads\/2024\/02\/TE_balanceador_descarga_04-1536x624.png 1536w, https:\/\/www.transparentedge.eu\/wp-content\/uploads\/2024\/02\/TE_balanceador_descarga_04.png 1667w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<p>These are just a few of the ways you can use a CDN. But a <a href=\"https:\/\/www.transparentedge.eu\/en\/content-delivery-cdn\/next-generation-cdn\/\">next-generation CDN<\/a> like Transparent Edge is much more than that, as it allows you to do other, more powerful things. For example, <a href=\"https:\/\/www.transparentedge.eu\/blog\/edge-computing-is-strategic-for-europe\/\">moving part of your application logic to the edge<\/a> so that part of your website runs as close to the user as possible.<\/p>\n\n\n\n<p>Not to mention how nice and efficient our support guys are, of course\ud83d\ude09. Not only do they work hand in hand with clients to get the most out of the CDN, but they also provide the <a href=\"https:\/\/docs.transparentedge.eu\/v\/english\/guias\/web-application-gateway\" target=\"_blank\" rel=\"noreferrer noopener\">Documentation Portal<\/a> with all the tricks from a technical point of view. There you will find the necessary information to implement any of the scenarios we propose in this post.<\/p>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<p><a href=\"https:\/\/www.linkedin.com\/in\/jorge-roman-transparent-edge\/\" target=\"_blank\" rel=\"noreferrer noopener\">Jorge Rom\u00e1n<\/a>\u00a0is co-founder and CEO of Transparent Edge.<br><br><em><em>Jorge Rom\u00e1n is either a systems engineer who became a CEO over the years\u2014or a CEO who became a systems engineer. He\u2019s not entirely sure, and often thinks about it while mopping the office floor and serving coffee. The rest of the time, he runs the first CDN of Spanish origin, raises two daughters, and still finds time to read about entrepreneurship. As for sleep, he\u2019s saving that for his next life.<\/em><\/em><\/p>\n<\/blockquote>\n\n\n\n<p><\/p>\n","protected":false},"excerpt":{"rendered":"<p>We present two alternatives for using the CDN beyond caching content: load balancer and getaway API<\/p>\n","protected":false},"author":13,"featured_media":19669,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"content-type":"","footnotes":""},"categories":[7],"tags":[],"class_list":["post-19930","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-uncategorized"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.4 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Beyond caching content: two alternative CDN approaches - Transparent Edge<\/title>\n<meta name=\"description\" content=\"We present two alternatives for using the CDN beyond caching content: load balancer and getaway API\" \/>\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.transparentedge.eu\/blog\/beyond-caching-content-two-alternative-cdn-approaches\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Beyond caching content: two alternative CDN approaches - 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