{"id":103,"date":"2016-11-09T16:09:58","date_gmt":"2016-11-09T16:09:58","guid":{"rendered":"https:\/\/mastertech.cloud\/?p=103"},"modified":"2021-08-08T18:08:23","modified_gmt":"2021-08-08T18:08:23","slug":"what-is-a-content-delivery-network","status":"publish","type":"post","link":"https:\/\/mastertech.cloud\/?p=103","title":{"rendered":"What is a content delivery network?"},"content":{"rendered":"<p><div class=\"fusion-fullwidth fullwidth-box fusion-builder-row-1 fusion-flex-container nonhundred-percent-fullwidth non-hundred-percent-height-scrolling\" style=\"background-color: rgba(255,255,255,0);background-position: center center;background-repeat: no-repeat;border-width: 0px 0px 0px 0px;border-color:#edeef2;border-style:solid;\" ><div class=\"fusion-builder-row fusion-row fusion-flex-align-items-flex-start\" style=\"max-width:1216.8px;margin-left: calc(-4% \/ 2 );margin-right: calc(-4% \/ 2 );\"><div class=\"fusion-layout-column fusion_builder_column fusion-builder-column-0 fusion_builder_column_1_1 1_1 fusion-flex-column\"><div class=\"fusion-column-wrapper fusion-flex-justify-content-flex-start fusion-content-layout-column\" style=\"background-position:left top;background-repeat:no-repeat;-webkit-background-size:cover;-moz-background-size:cover;-o-background-size:cover;background-size:cover;padding: 0px 0px 0px 0px;\"><style type=\"text\/css\">@media only screen and (max-width:1024px) {.fusion-title.fusion-title-1{margin-top:0px!important; margin-right:0px!important;margin-bottom:31px!important;margin-left:0px!important;}}@media only screen and (max-width:640px) {.fusion-title.fusion-title-1{margin-top:0px!important; margin-right:0px!important;margin-bottom:20px!important; margin-left:0px!important;}}<\/style><div class=\"fusion-title title fusion-title-1 fusion-title-text fusion-title-size-three\" style=\"margin-top:0px;margin-right:0px;margin-bottom:31px;margin-left:0px;\"><div class=\"title-sep-container title-sep-container-left fusion-no-large-visibility fusion-no-medium-visibility fusion-no-small-visibility\"><div class=\"title-sep sep-\" style=\"border-color:#edeef2;\"><\/div><\/div><span class=\"awb-title-spacer fusion-no-large-visibility fusion-no-medium-visibility fusion-no-small-visibility\"><\/span><h3 class=\"title-heading-left fusion-responsive-typography-calculated\" style=\"margin:0;--fontSize:42;line-height:1.3;\">What is a Content Delivery Network or CDN<span style=\"color: #74c5da;\">?<\/span><\/h3><span class=\"awb-title-spacer\"><\/span><div class=\"title-sep-container title-sep-container-right\"><div class=\"title-sep sep-\" style=\"border-color:#edeef2;\"><\/div><\/div><\/div><div class=\"fusion-separator\" style=\"align-self: flex-start;margin-right:auto;margin-top:0px;margin-bottom:30px;width:100%;max-width:150px;\"><div class=\"fusion-separator-border sep-single sep-solid\" style=\"border-color:#74c5da;border-top-width:4px;\"><\/div><\/div><div class=\"fusion-text fusion-text-1\"><p>Content Delivery Network (CDN) is a globally distributed network of web servers or Points of Presence (PoP) whose purpose is to provide faster content delivery.<\/p>\n<p>The content is replicated and stored throughout the CDN so the user can access the data that is stored at a location that is geographically closest to the user. This is different (and more efficient) than the traditional method of storing content on just one, central server.<\/p>\n<p>A client accesses a copy of the data near to the client, as opposed to all clients accessing the same central server, in order to avoid bottlenecks near that server.<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/www.globaldots.com\/hs-fs\/hubfs\/how_cdn_works.png?width=590&amp;name=how_cdn_works.png\" sizes=\"(max-width: 590px) 100vw, 590px\" srcset=\"https:\/\/www.globaldots.com\/hs-fs\/hubfs\/how_cdn_works.png?width=295&amp;name=how_cdn_works.png 295w, https:\/\/www.globaldots.com\/hs-fs\/hubfs\/how_cdn_works.png?width=590&amp;name=how_cdn_works.png 590w, https:\/\/www.globaldots.com\/hs-fs\/hubfs\/how_cdn_works.png?width=885&amp;name=how_cdn_works.png 885w, https:\/\/www.globaldots.com\/hs-fs\/hubfs\/how_cdn_works.png?width=1180&amp;name=how_cdn_works.png 1180w, https:\/\/www.globaldots.com\/hs-fs\/hubfs\/how_cdn_works.png?width=1475&amp;name=how_cdn_works.png 1475w, https:\/\/www.globaldots.com\/hs-fs\/hubfs\/how_cdn_works.png?width=1770&amp;name=how_cdn_works.png 1770w\" alt=\"how_cdn_works\" width=\"590\" \/><\/p>\n<p>High content loading speed = positive User Experience. If all data is located on a central server, the User Experience is negatively affected by limited loading speed. The greater the distance between two objects in communication (in this case, the user and the server), the longer it takes for the content to reach any of these objects.<\/p>\n<p>To put it more simply, the purpose of a CDN is to improve user experience and provide it with a more efficient network resource utilization. Content providers such as media companies and e-commerce vendors pay CDN operators to deliver their content to their audience, that is, end-users. In turn, a CDN pays ISPs, carriers and network operators for hosting servers in their data centers. There are two key mechanisms that explain how CDN functions:<\/p>\n<ol>\n<li>Keep important content distributed to multiple, globally distributed data centers so it is closer to end users, and thus faster to download.<\/li>\n<li>Use server optimizations based on content type to get that content to the user most efficiently.<\/li>\n<\/ol>\n<p>Other than better performance, CDNs also offload the traffic served directly from the content provider\u2019s origin infrastructure, resulting in possible cost savings for the content provider. They are also effective against DDoS attacks, since they provide their own large distributed server infrastructure to absorb the volume of the attack, but we\u2019ll explain that later.<\/p>\n<p>Location is key for content delivery speed. The farther the user is from the server where the content is stored, the longer it will take for the content to reach the user, and this in turn negatively affects User Experience.<\/p>\n<\/div><\/div><style type=\"text\/css\">.fusion-body .fusion-builder-column-0{width:100% !important;margin-top : 0px;margin-bottom : 0px;}.fusion-builder-column-0 > .fusion-column-wrapper {padding-top : 0px !important;padding-right : 0px !important;margin-right : 1.92%;padding-bottom : 0px !important;padding-left : 0px !important;margin-left : 1.92%;}@media only screen and (max-width:1024px) {.fusion-body .fusion-builder-column-0{width:100% !important;}.fusion-builder-column-0 > .fusion-column-wrapper {margin-right : 1.92%;margin-left : 1.92%;}}@media only screen and (max-width:640px) {.fusion-body .fusion-builder-column-0{width:100% !important;}.fusion-builder-column-0 > .fusion-column-wrapper {margin-right : 1.92%;margin-left : 1.92%;}}<\/style><\/div><div class=\"fusion-layout-column fusion_builder_column fusion-builder-column-1 fusion_builder_column_1_2 1_2 fusion-flex-column\"><div class=\"fusion-column-wrapper fusion-flex-justify-content-flex-start fusion-content-layout-column\" style=\"background-position:left top;background-repeat:no-repeat;-webkit-background-size:cover;-moz-background-size:cover;-o-background-size:cover;background-size:cover;padding: 0px 0px 0px 0px;\"><ul class=\"fusion-checklist fusion-checklist-1\" style=\"font-size:16px;line-height:27.2px;\"><li class=\"fusion-li-item\"><span style=\"background-color:#e67fb9;font-size:14.08px;height:27.2px;width:27.2px;margin-right:11.2px;\" class=\"icon-wrapper circle-yes\"><i class=\"fusion-li-icon fa fa-cloud\" style=\"color:#ffffff;\" aria-hidden=\"true\"><\/i><\/span><div class=\"fusion-li-item-content\" style=\"margin-left:38.4px;\">\n<p><strong>Improved security<\/strong><\/p>\n<\/div><\/li><li class=\"fusion-li-item\"><span style=\"background-color:#e67fb9;font-size:14.08px;height:27.2px;width:27.2px;margin-right:11.2px;\" class=\"icon-wrapper circle-yes\"><i class=\"fusion-li-icon fa fa-cloud\" style=\"color:#ffffff;\" aria-hidden=\"true\"><\/i><\/span><div class=\"fusion-li-item-content\" style=\"margin-left:38.4px;\">\n<p><strong>Enhanced performance<\/strong><\/p>\n<\/div><\/li><li class=\"fusion-li-item\"><span style=\"background-color:#e67fb9;font-size:14.08px;height:27.2px;width:27.2px;margin-right:11.2px;\" class=\"icon-wrapper circle-yes\"><i class=\"fusion-li-icon fa fa-cloud\" style=\"color:#ffffff;\" aria-hidden=\"true\"><\/i><\/span><div class=\"fusion-li-item-content\" style=\"margin-left:38.4px;\">\n<p><strong>Access from anywhere<\/strong><\/p>\n<\/div><\/li><li class=\"fusion-li-item\"><span style=\"background-color:#e67fb9;font-size:14.08px;height:27.2px;width:27.2px;margin-right:11.2px;\" class=\"icon-wrapper circle-yes\"><i class=\"fusion-li-icon fa fa-cloud\" style=\"color:#ffffff;\" aria-hidden=\"true\"><\/i><\/span><div class=\"fusion-li-item-content\" style=\"margin-left:38.4px;\">\n<p><strong>Real-time backups<\/strong><\/p>\n<\/div><\/li><li class=\"fusion-li-item\"><span style=\"background-color:#e67fb9;font-size:14.08px;height:27.2px;width:27.2px;margin-right:11.2px;\" class=\"icon-wrapper circle-yes\"><i class=\"fusion-li-icon fa fa-cloud\" style=\"color:#ffffff;\" aria-hidden=\"true\"><\/i><\/span><div class=\"fusion-li-item-content\" style=\"margin-left:38.4px;\">\n<p><strong>Entirely cloud based<\/strong><\/p>\n<\/div><\/li><li class=\"fusion-li-item\"><span style=\"background-color:#e67fb9;font-size:14.08px;height:27.2px;width:27.2px;margin-right:11.2px;\" class=\"icon-wrapper circle-yes\"><i class=\"fusion-li-icon fa fa-cloud\" style=\"color:#ffffff;\" aria-hidden=\"true\"><\/i><\/span><div class=\"fusion-li-item-content\" style=\"margin-left:38.4px;\">\n<p><strong>Any number of devices<\/strong><\/p>\n<\/div><\/li><\/ul><div class=\"fusion-separator 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fusion_builder_column_2_3 2_3 fusion-flex-column\"><div class=\"fusion-column-wrapper fusion-flex-justify-content-center fusion-content-layout-column\" style=\"background-position:left top;background-repeat:no-repeat;-webkit-background-size:cover;-moz-background-size:cover;-o-background-size:cover;background-size:cover;border-width: 0 0 0 10px;border-color:#74c5da;border-style:solid;padding: 0px 30px 0px 30px;\"><style type=\"text\/css\">@media only screen and (max-width:1024px) {.fusion-title.fusion-title-3{margin-top:20px!important; margin-right:0px!important;margin-bottom:0px!important;margin-left:0px!important;}}@media only screen and (max-width:640px) {.fusion-title.fusion-title-3{margin-top:0px!important; margin-right:0px!important;margin-bottom:20px!important; margin-left:0px!important;}}<\/style><div class=\"fusion-title title fusion-title-3 fusion-title-text fusion-title-size-two\" style=\"font-size:124px;margin-top:20px;margin-right:0px;margin-bottom:0px;margin-left:0px;\"><div class=\"title-sep-container title-sep-container-left fusion-no-large-visibility fusion-no-medium-visibility fusion-no-small-visibility\"><div class=\"title-sep sep-\" style=\"border-color:#edeef2;\"><\/div><\/div><span class=\"awb-title-spacer fusion-no-large-visibility fusion-no-medium-visibility fusion-no-small-visibility\"><\/span><h2 class=\"title-heading-left fusion-responsive-typography-calculated\" style=\"margin:0;font-size:1em;color:#ffffff;--fontSize:124;line-height:1;\">THE CLOUD<\/h2><span class=\"awb-title-spacer\"><\/span><div class=\"title-sep-container title-sep-container-right\"><div class=\"title-sep sep-\" style=\"border-color:#edeef2;\"><\/div><\/div><\/div><style type=\"text\/css\">@media only screen and (max-width:1024px) {.fusion-title.fusion-title-4{margin-top:0px!important; margin-right:0px!important;margin-bottom:10px!important;margin-left:0px!important;}}@media only screen and (max-width:640px) {.fusion-title.fusion-title-4{margin-top:0px!important; margin-right:0px!important;margin-bottom:20px!important; margin-left:0px!important;}}<\/style><div class=\"fusion-title title fusion-title-4 fusion-title-text fusion-title-size-two\" style=\"margin-top:0px;margin-right:0px;margin-bottom:10px;margin-left:0px;\"><div class=\"title-sep-container title-sep-container-left fusion-no-large-visibility fusion-no-medium-visibility fusion-no-small-visibility\"><div class=\"title-sep sep-\" style=\"border-color:#edeef2;\"><\/div><\/div><span class=\"awb-title-spacer fusion-no-large-visibility fusion-no-medium-visibility fusion-no-small-visibility\"><\/span><h2 class=\"title-heading-left fusion-responsive-typography-calculated\" style=\"margin:0;color:#ffffff;--fontSize:65;line-height:1.0;\">IS IN OUR DNA<span style=\"color: #74c5da;\">.<\/span><\/h2><span class=\"awb-title-spacer\"><\/span><div class=\"title-sep-container title-sep-container-right\"><div class=\"title-sep sep-\" style=\"border-color:#edeef2;\"><\/div><\/div><\/div><\/div><style type=\"text\/css\">.fusion-body .fusion-builder-column-4{width:66.666666666667% !important;margin-top : 15px;margin-bottom : 15px;}.fusion-builder-column-4 > .fusion-column-wrapper {padding-top : 0 !important;padding-right : 30px !important;margin-right : 3.84%;padding-bottom : 0 !important;padding-left : 30px !important;margin-left : 2.88%;}@media only screen and (max-width:1024px) {.fusion-body .fusion-builder-column-4{width:100% !important;}.fusion-builder-column-4 > .fusion-column-wrapper {margin-right : 1.92%;margin-left : 1.92%;}}@media only screen and (max-width:640px) {.fusion-body .fusion-builder-column-4{width:100% !important;}.fusion-builder-column-4 > .fusion-column-wrapper {margin-right : 1.92%;margin-left : 1.92%;}}<\/style><\/div><div class=\"fusion-layout-column fusion_builder_column fusion-builder-column-5 fusion_builder_column_1_3 1_3 fusion-flex-column\"><div class=\"fusion-column-wrapper fusion-flex-justify-content-center fusion-content-layout-column\" style=\"background-position:left top;background-repeat:no-repeat;-webkit-background-size:cover;-moz-background-size:cover;-o-background-size:cover;background-size:cover;padding: 0px 0px 0px 0px;\"><div ><style type=\"text\/css\">.fusion-button.button-1 .fusion-button-text, .fusion-button.button-1 i {color:#092933;}.fusion-button.button-1 .fusion-button-icon-divider{border-color:#092933;}.fusion-button.button-1:hover .fusion-button-text, .fusion-button.button-1:hover i,.fusion-button.button-1:focus .fusion-button-text, .fusion-button.button-1:focus i,.fusion-button.button-1:active .fusion-button-text, .fusion-button.button-1:active{color:#ffffff;}.fusion-button.button-1:hover .fusion-button-icon-divider, .fusion-button.button-1:hover .fusion-button-icon-divider, .fusion-button.button-1:active .fusion-button-icon-divider{border-color:#ffffff;}.fusion-button.button-1:hover, 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delivery.<\/p>\n","protected":false},"author":1,"featured_media":377,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_monsterinsights_skip_tracking":false,"_monsterinsights_sitenote_active":false,"_monsterinsights_sitenote_note":"","_monsterinsights_sitenote_category":0,"footnotes":""},"categories":[1],"tags":[],"class_list":["post-103","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 v21.5 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>What is a content delivery network? - Mastertech.cloud<\/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:\/\/mastertech.cloud\/?p=103\" \/>\n<meta property=\"og:locale\" content=\"en_GB\" \/>\n<meta property=\"og:type\" content=\"article\" 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