DNS<\/strong> sunucumuzun farkl\u0131 bir lokasyonda aktif oldu\u011funu d\u00fc\u015f\u00fcnsek bile, senaryoyu devreye alabilmemiz, failback yaparken ayn\u0131 i\u015flemleri ters y\u00f6nl\u00fc olarak ger\u00e7ekle\u015ftirmemiz bile ba\u015fl\u0131 ba\u015f\u0131na bir i\u015f. Global DNS \u00e7\u00f6z\u00fcmlenme s\u00fcreleri, \u00f6nbellek gibi konular\u0131 g\u00f6z \u00f6n\u00fcnde bulundurdu\u011fumuzda daha vahim bir hal al\u0131yor.<\/p>\nCloud DNS hizmetleri tamda bu anda devreye giriyor. Disaster senaryomuzu uygularken, bir de DNS<\/strong> servisleriyle u\u011fra\u015fmak zorunda kalm\u0131yoruz. Zaten kendi i\u00e7erisinde senaryosu olan DNS hizmetlerimiz her zaman hizmetimize haz\u0131r durumda bekliyor.<\/p>\nBu durumda, felaket senaryosu yazmaya Cloud DNS’ten ba\u015flamak gerekiyor.<\/p>\n
\u00d6rnek Senaryo var m\u0131?<\/h4>\n
Elbette. Bir E-ticaret sitem var ve g\u00fcnl\u00fck 10.000 TL sat\u0131\u015f hacmim var. T\u00fcm verilerimi yedekliyorum, Web ve DNS servislerini de ayn\u0131 sunucudan \u00e7al\u0131\u015ft\u0131r\u0131yorum. Sunucumda i\u015fletim sistemi problemi ya\u015farsam, \u00f6nce verileri geri d\u00f6nmek i\u00e7in yeni bir sunucuya ihtiyac\u0131m olacak. DNS y\u00f6nlendirme ve \u00e7\u00f6z\u00fcmleme i\u015flemlerinide ortalama 1-24 saat aral\u0131\u011f\u0131nda beklemem gerekiyor. Ancak, Cloud DNS taraf\u0131nda b\u00f6yle bir problem ya\u015famayaca\u011f\u0131m. Zaten haz\u0131rl\u0131kl\u0131 olarak TTL s\u00fcrelerini minimumda belirledi\u011fim kay\u0131tlar\u0131m\u0131n, yeni lokasyonuma y\u00f6nlenmesi \u00e7ok uzun s\u00fcrmeyecektir.<\/p>\n
Peki Cloud DNS Hizmeti nereden al\u0131n\u0131r?<\/h4>\n
Amazon AWS, Google Cloud, Microsoft Azure \u015fu anda \u00f6ne \u00e7\u0131kan firmalar. Bunun yan\u0131nda CloudFlare’de ciddi anlamda DNS hizmetlerine cevap veriyor.<\/p>\n
Cloud DNS Maliyetleri nedir?<\/h4>\n
Neredeyse yok denecek kadar az. Riskler g\u00f6z \u00f6n\u00fcne al\u0131n\u0131rsa “bedava” bile diyebiliriz. \u00d6rne\u011fin Azure 1 milyon sorguya kadar 1 Zone’u 3.68 TL gibi bir \u00fccretle sa\u011fl\u0131yor. ( May\u0131s 2018 ) 10 Milyon sorgu al\u0131yorsan\u0131z fiyat 18 TL’ye \u00e7\u0131k\u0131yor. Bu oranda bir proje i\u00e7in bedava bile diyebiliriz.<\/p>\n
<\/p>\n","protected":false},"excerpt":{"rendered":"
Felaket kurtarma senaryolar\u0131, i\u015f s\u00fcreklili\u011fi i\u00e7in g\u00fcn\u00fcm\u00fczde vazge\u00e7ilmez bir hal alm\u0131\u015f durumda. Gerek veri kayb\u0131 riskleri, gerekse b\u00fcy\u00fck oranda dijital ba\u011fl\u0131l\u0131\u011f\u0131m\u0131z, her alanda oldu\u011fu gibi bizi \u00f6nlem almaya itiyor. Peki, dijital s\u00fcreklili\u011fimizin sigortas\u0131 olan Felaket Kurtarma i\u015flemlerinde DNS ortam\u0131m\u0131z\u0131 nas\u0131l planlamal\u0131y\u0131z? Disaster Recovery plan\u0131m\u0131z\u0131 hangi lokasyonda planlarsak planlayal\u0131m, DNS‘in aktif olmad\u0131\u011f\u0131 noktada aktif pozisyona ge\u00e7ebilmemiz […]<\/p>\n","protected":false},"author":1,"featured_media":21,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":[],"categories":[10],"tags":[13,11,12],"yoast_head":"\n
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<\/p>\n