{"id":704,"date":"2008-11-11T23:07:14","date_gmt":"2008-11-11T21:07:14","guid":{"rendered":"http:\/\/vaxxi.net\/log\/?p=704"},"modified":"2009-12-18T12:29:23","modified_gmt":"2009-12-18T10:29:23","slug":"o-idee-desteapta-akamai","status":"publish","type":"post","link":"https:\/\/vaxxi.net\/log\/o-idee-desteapta-akamai\/","title":{"rendered":"O idee de\u015fteapt\u0103: Akamai"},"content":{"rendered":"<p>La locul de munc\u0103 anterior aveam un lot de servere Akamai instalate. Un mald\u0103r de cutii negre, f\u0103r\u0103 nici o alt\u0103 muf\u0103 \u00een afar\u0103 de cea a pl\u0103cii de re\u0163ea \u015fi a cablului de alimentare. Erau complet gestionate de la distan\u0163\u0103, nu ne atingeam de ele nici m\u0103car pentru a le configura IP-urile.<\/p>\n<p>Ideea care st\u0103tea \u00een spatele lor era una din acele idei care te face s\u0103-\u0163i dai o palm\u0103 peste ceaf\u0103 \u015fi s\u0103 zici &#8220;de ce nu m-oi fi g\u00e2ndit eu la asta&#8221;. Se d\u0103 problema urm\u0103toare: s\u0103 g\u0103sim o metod\u0103 de a accelera \u00eenc\u0103rcarea paginilor pentru utilizatori, \u015fi s\u0103 men\u0163inem func\u0163ionale site-urile cu trafic mare \u00een condi\u0163ii de \u00eenc\u0103rcare extrem\u0103 (de exemplu: se petrece un cutremur de magnitudine mare, \u015fi toat\u0103 lumea intr\u0103 pe CNN.com s\u0103 vad\u0103 \u015ftirea despre cutremur &#8211; \u00een situa\u0163ia asta, site-ul trebuie s\u0103 reziste la un trafic de 10-20 de ori mai mare dec\u00e2t normal). Evident, nu e rentabil s\u0103 avem servere care s\u0103 fac\u0103 fa\u0163\u0103 la aceste v\u00e2rfuri ocazionale de trafic, deoarece \u00een restul timpului ar sta degeaba.<\/p>\n<p><!--more--><\/p>\n<p>Eh, \u015fi aici vine solu\u0163ia: umplem lumea de cutii de-astea minune, pe care le plas\u0103m \u00een puncte cheie &#8211; de obicei, \u00een datacenterele furnizorilor mari de servicii Internet. Toate cutiile astea fac parte dintr-o re\u0163ea mare (adic\u0103 re\u0163eaua Akamai), \u015fi g\u0103zduiesc con\u0163inut: imagini, pagini, con\u0163inut media, etc. Eu, posesorul site-ului CNN.com, vin la firma Akamai \u015fi cump\u0103r ni\u015fte spa\u0163iu \u00een re\u0163eaua lor, \u00een care spa\u0163iu \u00eemi pun fi\u015fierele critice ale site-ului. Ulterior, dup\u0103 ce eu le \u00eencarc \u00een sistemul lor, toate fi\u015fierele sunt copiate (oglindite) pe fiecare din cutiile astea negre existente prin lume. Apoi, \u00een site, resursele nu sunt adresate prin &#8220;http:\/\/cnn.com\/fisiere\/blabla.mp3&#8221; ci prin &#8220;http:\/\/cnn.akamai.com\/fisiere\/blabla.mp3&#8221;.<\/p>\n<p>C\u00e2nd vine cutremurul \u015fi popula\u0163ia din toat\u0103 lumea intr\u0103 pe CNN.com, con\u0163inutul paginilor nu este servit direct din serverele principale ale CNN.com, ci de pe una din cutiile astea negre \u015fi magice, care se afl\u0103 mult mai aproape de vizitator (de obicei, criteriul este apropierea geografic\u0103, dar pot intra \u015fi al\u0163i factori \u00een calcul, cum ar fi costul sau viteza de acces). Furnizorul de servicii Internet c\u00e2\u015ftig\u0103 din faptul c\u0103 ai s\u0103i clien\u0163i nu \u00eei mai consum\u0103 banda de extern, Akamai c\u00e2\u015ftig\u0103 din v\u00e2nzarea serviciului. De\u015fteapt\u0103 chestie, nu?<\/p>\n<p>Pute\u0163i arunca o privire asupra statisticilor lor: <a href=\"http:\/\/www.akamai.com\/html\/technology\/visualizing_akamai.html\" target=\"_blank\">c\u00e2t de \u00eenc\u0103rcat este Internetul?<\/a><\/p>\n<div class=\"cbw snap_nopreview\">\n<div class=\"cbw_header\"><script src=\"http:\/\/www.crunchbase.com\/javascripts\/widget.js\" type=\"text\/javascript\"><\/script><\/p>\n<div class=\"cbw_header_text\"><a href=\"http:\/\/www.crunchbase.com\/\">CrunchBase Information<\/a><\/div>\n<\/div>\n<div class=\"cbw_content\">\n<div class=\"cbw_subheader\"><a href=\"http:\/\/www.crunchbase.com\/company\/akamai\">Akamai<\/a><\/div>\n<div class=\"cbw_subcontent\"><script src=\"http:\/\/www.crunchbase.com\/cbw\/company\/akamai.js\" type=\"text\/javascript\"><\/script><\/div>\n<div class=\"cbw_footer\">Information provided by <a href=\"http:\/\/www.crunchbase.com\/\">CrunchBase<\/a><\/div>\n<\/div>\n<\/div>\n","protected":false},"excerpt":{"rendered":"<p>La locul de munc\u0103 anterior aveam un lot de servere Akamai instalate. Un mald\u0103r de cutii negre, f\u0103r\u0103 nici o alt\u0103 muf\u0103 \u00een afar\u0103 de cea a pl\u0103cii de re\u0163ea \u015fi a cablului de alimentare. Erau complet gestionate de la distan\u0163\u0103, nu ne atingeam de ele nici m\u0103car pentru a le configura IP-urile. Ideea care<a class=\"continue-link\" href=\"https:\/\/vaxxi.net\/log\/o-idee-desteapta-akamai\/\">&#8230;(Continue Reading)<\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[7],"tags":[181,72],"class_list":["post-704","post","type-post","status-publish","format-standard","hentry","category-gadgets","tag-gadgets","tag-www"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.3 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>O idee de\u015fteapt\u0103: Akamai<\/title>\n<meta name=\"description\" content=\"La locul de munc\u0103 anterior aveam un lot de servere Akamai instalate. 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