{"id":476413,"date":"2023-08-09T07:29:55","date_gmt":"2023-08-09T07:29:55","guid":{"rendered":""},"modified":"2023-09-05T11:12:42","modified_gmt":"2023-09-05T11:12:42","slug":"content-delivery-network","status":"publish","type":"wiki","link":"https:\/\/oneproxy.pro\/tr\/wiki\/content-delivery-network\/","title":{"rendered":"\u0130\u00e7erik Da\u011f\u0131t\u0131m A\u011f\u0131"},"content":{"rendered":"<p>\u0130\u00e7erik Da\u011f\u0131t\u0131m A\u011flar\u0131 (CDN&#039;ler), \u0130nternet i\u00e7eri\u011finin h\u0131zl\u0131 da\u011f\u0131t\u0131m\u0131n\u0131 sa\u011flamak i\u00e7in birlikte \u00e7al\u0131\u015fan, co\u011frafi olarak da\u011f\u0131t\u0131lm\u0131\u015f sunucu a\u011flar\u0131d\u0131r. HTML sayfalar\u0131, JavaScript dosyalar\u0131, stil sayfalar\u0131, resimler ve videolar da dahil olmak \u00fczere \u0130nternet i\u00e7eri\u011fini y\u00fcklemek i\u00e7in gereken varl\u0131klar\u0131n h\u0131zl\u0131 aktar\u0131m\u0131n\u0131 sa\u011flarlar.<\/p>\n<h2>\u0130\u00e7erik Da\u011f\u0131t\u0131m A\u011flar\u0131n\u0131n K\u00f6keni ve Tarih\u00e7esi<\/h2>\n<p>CDN kavram\u0131 ilk olarak 1990&#039;lar\u0131n sonlar\u0131nda &quot;D\u00fcnya \u00c7ap\u0131nda Bekleme&quot; sorununa bir \u00e7\u00f6z\u00fcm olarak ortaya \u00e7\u0131kt\u0131. \u0130nternetin artan pop\u00fclaritesi, web sayfalar\u0131n\u0131n ve \u00e7evrimi\u00e7i i\u00e7eri\u011fin da\u011f\u0131t\u0131m h\u0131z\u0131n\u0131 yava\u015flat\u0131yordu. CDN&#039;den ilk kez 1998 y\u0131l\u0131nda Sandpiper Networks&#039;\u00fcn &quot;Da\u011f\u0131t\u0131lm\u0131\u015f \u0130\u00e7erik Da\u011f\u0131t\u0131m\u0131 i\u00e7in Sistem ve Y\u00f6ntem&quot; ba\u015fl\u0131kl\u0131 patentinde bahsedilmi\u015ftir.<\/p>\n<p>\u0130nternet b\u00fcy\u00fcd\u00fck\u00e7e CDN hizmetlerine olan talep de artt\u0131. G\u00fcn\u00fcm\u00fczde CDN&#039;ler, web nesneleri (metin, grafikler), indirilebilir nesneler (medya dosyalar\u0131, yaz\u0131l\u0131m, belgeler), uygulamalar (e-ticaret, portallar), canl\u0131 ak\u0131\u015f ortam\u0131, iste\u011fe ba\u011fl\u0131 ak\u0131\u015f ortam\u0131 dahil olmak \u00fczere t\u00fcm web trafi\u011finin b\u00fcy\u00fck bir k\u0131sm\u0131na hizmet vermektedir. ve sosyal a\u011flar.<\/p>\n<h2>Ayr\u0131nt\u0131l\u0131: \u0130\u00e7erik Da\u011f\u0131t\u0131m A\u011flar\u0131<\/h2>\n<p>CDN&#039;ler temelde h\u0131z ve g\u00fcvenilirlikle ilgilidir. Gecikme sorununu, bir web sayfas\u0131n\u0131 y\u00fckleme talebinde bulundu\u011funuzda olu\u015fan gecikmeyi ve i\u00e7eri\u011fin ekran\u0131n\u0131zda tam olarak g\u00f6r\u00fcnt\u00fclenmesi i\u00e7in gereken s\u00fcreyi \u00e7\u00f6zmek i\u00e7in tasarlanm\u0131\u015ft\u0131r.<\/p>\n<p>\u0130ste\u011fin ne kadar uza\u011fa gitmesi gerekiyorsa gecikme de o kadar y\u00fcksek olur. CDN&#039;ler bu sorunu, i\u00e7eri\u011fi d\u00fcnya \u00e7ap\u0131nda birden fazla sunucuda \u00f6nbelle\u011fe alarak \u00e7\u00f6zer; b\u00f6ylece bir kullan\u0131c\u0131 bir istekte bulundu\u011funda i\u00e7erik en yak\u0131n sunucudan veya &#039;u\u00e7 sunucudan&#039; teslim edilir ve bu da kat etmesi gereken mesafeyi azalt\u0131r.<\/p>\n<h2>CDN&#039;lerin \u0130\u00e7 Yap\u0131s\u0131 ve \u0130\u015fleyi\u015fi<\/h2>\n<p>Bir CDN iki ana bile\u015fenden olu\u015fur: bir kaynak sunucu ve bir u\u00e7 sunucu a\u011f\u0131. Kaynak sunucu, web i\u00e7eri\u011finin orijinal &quot;ana&quot; kopyas\u0131n\u0131 tutar. Edge sunucular\u0131 d\u00fcnya \u00e7ap\u0131nda stratejik olarak konumland\u0131r\u0131lm\u0131\u015ft\u0131r ve bu i\u00e7eri\u011fin \u00f6nbelle\u011fe al\u0131nm\u0131\u015f s\u00fcr\u00fcmlerini saklar.<\/p>\n<p>Bir kullan\u0131c\u0131 i\u00e7erik istedi\u011finde (bir video veya web sayfas\u0131 gibi), CDN&#039;nin kullan\u0131c\u0131ya en yak\u0131n u\u00e7 sunucusu, \u00f6nbelle\u011fe al\u0131nan i\u00e7eri\u011fi sunarak minimum gecikme ve en h\u0131zl\u0131 y\u00fckleme s\u00fcrelerini sa\u011flar. \u0130stenilen i\u00e7eri\u011fin u\u00e7 sunucuda bulunmamas\u0131 durumunda, i\u00e7eri\u011fi kaynak sunucudan veya yak\u0131ndaki bir u\u00e7 sunucudan al\u0131r.<\/p>\n<h2>CDN&#039;lerin Temel \u00d6zellikleri<\/h2>\n<ul>\n<li><strong>Verim<\/strong>: CDN&#039;ler, i\u00e7eri\u011fi kullan\u0131c\u0131ya yak\u0131n bir yerde \u00f6nbelle\u011fe alarak gecikmeyi azalt\u0131r ve i\u00e7erik da\u011f\u0131t\u0131m h\u0131z\u0131n\u0131 art\u0131r\u0131r.<\/li>\n<li><strong>\u00d6l\u00e7eklenebilirlik<\/strong>: CDN&#039;ler ani trafik art\u0131\u015flar\u0131n\u0131 ve a\u011f\u0131r y\u00fckleri kald\u0131rabilir ve i\u00e7eri\u011fin her zaman kullan\u0131labilir olmas\u0131n\u0131 sa\u011flar.<\/li>\n<li><strong>G\u00fcvenilirlik<\/strong>: CDN&#039;ler i\u00e7eri\u011fi bir\u00e7ok sunucuya da\u011f\u0131tarak ar\u0131zalara kar\u015f\u0131 koruma sa\u011flar ve kesintisiz hizmet sa\u011flar.<\/li>\n<li><strong>G\u00fcvenlik<\/strong>: CDN&#039;ler DDoS korumas\u0131, g\u00fcvenli belirte\u00e7 ve IP engelleme gibi g\u00fcvenlik \u00f6nlemleri sa\u011flar.<\/li>\n<\/ul>\n<h2>CDN t\u00fcrleri<\/h2>\n<p>Farkl\u0131 ihtiya\u00e7lara cevap veren \u00e7e\u015fitli CDN t\u00fcrleri vard\u0131r:<\/p>\n<table>\n<thead>\n<tr>\n<th>CDN t\u00fcr\u00fc<\/th>\n<th>Tan\u0131m<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>Standart CDN<\/td>\n<td>Kenar sunucular\u0131ndan \u00f6nbelle\u011fe al\u0131nm\u0131\u015f statik i\u00e7erik sunar.<\/td>\n<\/tr>\n<tr>\n<td>Dinamik Site H\u0131zland\u0131rma (DSA)<\/td>\n<td>Dinamik, \u00f6nbelle\u011fe al\u0131namayan i\u00e7eri\u011fin da\u011f\u0131t\u0131m\u0131n\u0131 optimize eder.<\/td>\n<\/tr>\n<tr>\n<td>\u00d6zel CDN<\/td>\n<td>B\u00fcy\u00fck \u015firketler gibi tekil varl\u0131klar taraf\u0131ndan olu\u015fturulan ve kullan\u0131lan \u00f6zel bir CDN.<\/td>\n<\/tr>\n<tr>\n<td>Hibrit CDN<\/td>\n<td>\u00d6zel ve genel CDN&#039;lerin \u00f6zelliklerini birle\u015ftirir.<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h2>Kullan\u0131m, Sorunlar ve \u00c7\u00f6z\u00fcmler<\/h2>\n<p>CDN&#039;ler \u00e7ok \u00e7e\u015fitli end\u00fcstriler taraf\u0131ndan kullan\u0131lmaktad\u0131r: daha h\u0131zl\u0131 \u00fcr\u00fcn g\u00f6r\u00fcnt\u00fcleme i\u00e7in e-ticaret web siteleri, h\u0131zl\u0131 resim y\u00fckleme i\u00e7in medya web siteleri ve h\u0131zl\u0131, kusursuz oyun i\u00e7in \u00e7evrimi\u00e7i oyunlar. \u00d6zellikle k\u00fcresel eri\u015fime sahip i\u015fletmeler i\u00e7in faydal\u0131d\u0131rlar.<\/p>\n<p>Ancak CDN kullan\u0131m\u0131, sald\u0131rgan\u0131n CDN&#039;nin sitenin yanl\u0131\u015f bir s\u00fcr\u00fcm\u00fcn\u00fc \u00f6nbelle\u011fe almas\u0131na neden olan yan\u0131tlar g\u00f6ndermesine neden olan \u00f6nbellek zehirlenmesi gibi baz\u0131 sorunlara yol a\u00e7abilir. Bunlar, s\u0131k\u0131 \u00f6nbellek kontrol mekanizmalar\u0131 ve g\u00fcvenli HTTP ba\u015fl\u0131klar\u0131n\u0131n benimsenmesi yoluyla azalt\u0131labilir.<\/p>\n<h2>Kar\u015f\u0131la\u015ft\u0131rmalar ve \u00d6zellikler<\/h2>\n<p>CDN&#039;ler geleneksel web bar\u0131nd\u0131rma ile kar\u015f\u0131la\u015ft\u0131r\u0131labilir. Geleneksel bar\u0131nd\u0131rmada t\u00fcm i\u00e7erik tek bir sunucudan gelir. Ancak CDN&#039;lerde i\u00e7erik k\u00fcresel olarak yay\u0131lm\u0131\u015f birden fazla sunucudan gelir ve bu da daha h\u0131zl\u0131, daha g\u00fcvenilir i\u00e7erik da\u011f\u0131t\u0131m\u0131na olanak sa\u011flar.<\/p>\n<p>Bir CDN&#039;nin temel \u00f6zellikleri PoP say\u0131s\u0131n\u0131 (Varl\u0131k Noktalar\u0131), toplam a\u011f kapasitesini (Tbps cinsinden \u00f6l\u00e7\u00fcl\u00fcr) ve sunabilece\u011fi i\u00e7erik t\u00fcrlerini (statik, dinamik, canl\u0131 ak\u0131\u015f vb.) i\u00e7erir.<\/p>\n<h2>Gelecek Perspektifleri ve Teknolojiler<\/h2>\n<p>5G ve Edge Computing gibi geli\u015fen teknolojilerin CDN&#039;lerin gelece\u011fini etkilemesi bekleniyor. 5G, y\u00fcksek kaliteli i\u00e7eri\u011fe olan talebi art\u0131racak ve Edge Computing, u\u00e7 sunucular\u0131n i\u015fleme yeteneklerini geli\u015ftirecek.<\/p>\n<p>CDN&#039;ler ayr\u0131ca bulut hizmetleriyle daha entegre olacak ve daha g\u00fcvenlik odakl\u0131 hale gelecek; Bot azaltma, Web Uygulamas\u0131 G\u00fcvenlik Duvarlar\u0131 (WAF) ve DDoS korumas\u0131 gibi hizmetler sunacak.<\/p>\n<h2>Proxy Sunucular\u0131 ve CDN&#039;ler<\/h2>\n<p>Proxy sunucular\u0131 ve CDN&#039;lerin her ikisi de web i\u00e7eri\u011finin sa\u011flanmas\u0131nda rol oynar. Proxy sunucular, di\u011fer sunuculardan kaynak arayan istemcilerden gelen istekler i\u00e7in arac\u0131 g\u00f6revi g\u00f6r\u00fcrken, CDN&#039;ler, y\u00fcksek kullan\u0131labilirlik ve y\u00fcksek performans sa\u011flamak i\u00e7in hizmeti son kullan\u0131c\u0131lara g\u00f6re mekansal olarak da\u011f\u0131t\u0131r. Proxy sunucular\u0131 bir CDN altyap\u0131s\u0131n\u0131n par\u00e7as\u0131 olabilir ve i\u00e7eri\u011fin \u00f6nbelle\u011fe al\u0131nmas\u0131na ve sunulmas\u0131na yard\u0131mc\u0131 olur.<\/p>\n<h2>\u0130lgili Ba\u011flant\u0131lar<\/h2>\n<ol>\n<li><a href=\"https:\/\/www.cloudflare.com\/learning\/cdn\/what-is-a-cdn\/\" target=\"_new\" rel=\"noopener nofollow\">CDN nedir? \u2013 Bulut parlamas\u0131<\/a><\/li>\n<li><a href=\"https:\/\/www.akamai.com\/us\/en\/cdn\/what-is-a-cdn.jsp\" target=\"_new\" rel=\"noopener nofollow\">CDN nas\u0131l \u00e7al\u0131\u015f\u0131r? \u2013 Akamai<\/a><\/li>\n<li><a href=\"https:\/\/www.imperva.com\/learn\/performance\/what-is-cdn-how-it-works\/\" target=\"_new\" rel=\"noopener nofollow\">CDN Rehberi \u2013 Imperva<\/a><\/li>\n<li><a href=\"https:\/\/www.ibm.com\/cloud\/learn\/content-delivery-network\" target=\"_new\" rel=\"noopener nofollow\">CDN: Genel Bak\u0131\u015f ve Mimari \u2013 IBM<\/a><\/li>\n<li><a href=\"https:\/\/www.gartner.com\/en\/documents\/3981119\" target=\"_new\" rel=\"noopener nofollow\">\u0130\u00e7erik Da\u011f\u0131t\u0131m A\u011flar\u0131 (CDN&#039;ler): Ana Tedarik\u00e7ilerin Analizi \u2013 Gartner<\/a><\/li>\n<\/ol>","protected":false},"featured_media":476414,"menu_order":0,"template":"","meta":{"_acf_changed":false,"content-type":"","inline_featured_image":false,"footnotes":""},"class_list":["post-476413","wiki","type-wiki","status-publish","has-post-thumbnail","hentry"],"acf":{"faq_title":"Frequently Asked Questions about <mark>Content Delivery Network: A Detailed Overview<\/mark>","faq_items":[{"question":"What is a Content Delivery Network (CDN)?","answer":"<p>A Content Delivery Network (CDN) is a network of geographically distributed servers that work together to provide fast delivery of internet content. This includes HTML pages, JavaScript files, stylesheets, images, and videos.<\/p>"},{"question":"When was the concept of Content Delivery Networks first introduced?","answer":"<p>The concept of CDNs was first introduced in the late 1990s as a solution to the \"World Wide Wait\" problem, which was a slowdown in the delivery speed of web pages and online content due to the rapid growth of internet usage.<\/p>"},{"question":"How does a Content Delivery Network (CDN) work?","answer":"<p>A CDN consists of an origin server that holds the original, \"master\" copy of the web content and a network of edge servers that are strategically located around the world and store cached versions of this content. When a user requests content, it is delivered from the nearest edge server, ensuring minimal latency and fast load times.<\/p>"},{"question":"What are the key features of Content Delivery Networks?","answer":"<p>The key features of CDNs include performance (reducing latency and increasing content delivery speed), scalability (handling sudden traffic spikes and heavy loads), reliability (ensuring content is always available by distributing it across multiple servers), and security (offering features like DDoS protection, secure token, and IP blocking).<\/p>"},{"question":"What are the types of Content Delivery Networks (CDNs)?","answer":"<p>The types of CDNs include Standard CDN (delivers cached static content from edge servers), Dynamic Site Acceleration (optimizes the delivery of dynamic, non-cacheable content), Private CDN (a custom CDN built and used by single entities like large corporations), and Hybrid CDN (combines features of private and public CDNs).<\/p>"},{"question":"What problems can arise from the use of CDNs and how can they be solved?","answer":"<p>One problem that can arise from the use of CDNs is cache-poisoning, where an attacker sends responses that cause the CDN to cache an incorrect version of the site. This can be mitigated through stringent cache-control mechanisms and adopting secure HTTP headers.<\/p>"},{"question":"How do proxy servers relate to Content Delivery Networks?","answer":"<p>Proxy servers and CDNs are both involved in the delivery of web content. While proxy servers act as intermediaries for requests from clients seeking resources from other servers, CDNs distribute service spatially relative to end-users to provide high availability and high performance. Proxy servers can be part of a CDN infrastructure, assisting in caching and delivering content.<\/p>"},{"question":"What is the future of Content Delivery Networks?","answer":"<p>Emerging technologies like 5G and Edge Computing are expected to influence the future of CDNs. 5G will increase the demand for high-quality content, and Edge Computing will enhance the processing capabilities of edge servers. CDNs will also be more integrated with cloud services and become more security-focused, offering services like Bot mitigation, Web Application Firewalls (WAF), and DDoS protection.<\/p>"}]},"_links":{"self":[{"href":"https:\/\/oneproxy.pro\/tr\/wp-json\/wp\/v2\/wiki\/476413","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/oneproxy.pro\/tr\/wp-json\/wp\/v2\/wiki"}],"about":[{"href":"https:\/\/oneproxy.pro\/tr\/wp-json\/wp\/v2\/types\/wiki"}],"version-history":[{"count":0,"href":"https:\/\/oneproxy.pro\/tr\/wp-json\/wp\/v2\/wiki\/476413\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/oneproxy.pro\/tr\/wp-json\/wp\/v2\/media\/476414"}],"wp:attachment":[{"href":"https:\/\/oneproxy.pro\/tr\/wp-json\/wp\/v2\/media?parent=476413"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}