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İnternet Sağlayıcıları, İnterneti Nereden Alıp Getiriyorlar? - HAKANSEYHAN
Evinizde bir web hizmetine haiz olabilmek için bir web servis sağlayıcısına abone olmanız ve her ay fatura ödemeniz gerekiyor. Peki web servis sağlayıcıları interneti nereden alıyor diye asla düşündünüz mü?
İnternet, 1980’lerde hükümetler tarafınca ve 90’lardan itibaren halk tarafınca kullanılmaya başlandı. Bugünlerde ise artık insanların ana gelir deposu bile olabilen, hayatımızın vazgeçilmezi olan bir konuma geldi.
Evinizde, iş yerinizde, okulunuzda yada cep telefonunuzda web servisine haiz olabilmek için bir web servis sağlayıcısına abone olmanız gerekiyor. E bu web servis sağlayıcıları, dağıttıkları interneti nereden alıyorlar? Bu suali yanıtlayacağız fakat ilkin gelin en temel sorudan başlamış olalım:
İnternet Servis Sağlayıcısı (ISP) nedir?
İngilizcede sık sık kısaltmasını duyduğumuz ISP , kısaca web servis sağlayıcısı için Türkiye’den örnek vermek gerekirse TurkNet, Türksat KabloNet, Turkcell Superonline, Türk Telekom, Vodafone, Millenicom ve ötekiler diyebiliriz.
Bu firmalar sizlere aylık bir ücret karşılığında web hizmeti sağlarlar . Sadece tek işlevleri web hizmeti sağlamak değildir. ISP’ler bununla beraber e-posta hizmetleri, domain alma, ağ sağlayıcılığı ve tarayıcı paketleri de sunarlar.
Sunarlar da, bu web nasıl çalışır? Ilkin bunu anlamamız gerek…
İnternetin nasıl çalıştığını anlatmak için Reddit üstünde görmüş olduğum mükemmel bir tasviri kullanmak isterim:
“Bir banliyöde yaşadığınızı ve yan komşunuzun evine daha acele gidip gelebilmek için iki evin arasına bir kısa yol inşa ettiğinizi varsayalım. Peki eğer inşa ettiğiniz kısa yoldan bir başkasının evine gitmek isteseydiniz? Ya da avmsine, okula? İnşa ettiğiniz bu kısa yolu, şehrin anayollarıyla birbirine bağlamanız gerekir.
Şehrin yollarına kendi yolunuzdan erişebilmek için şehre para ödedikten sonrasında artık arkadaşınızın evine inşa ettiğiniz kısa yoldan tüm şehre ulaşabilirsiniz.
Sadece o da ne? Şimdi de komşunuzun arkadaşı, şehre ulaşmak için sizin inşa ettiğiniz hususi yolu kullanmak istiyor ve bunun için size para ödemeyi teklif ediyor. Siz bunu kabul ettiğiniz takdirde bir web sağlayıcısı olmuş oluyorsunuz.”
Kısaca web, iki konum içinde data akışı sağlamak için kurulan bir teknolojiyken daha sonrasında “durakları çoğaltılıp her insanın erişebileceği hâle getirilmiş bir yollar ağıdır” diyebiliriz.
Gelelim aslolan soruya: İnternet sağlayıcıları, interneti nereden alıyorlar?
Dünyada iki tür web sağlayıcıları vardır: Biri bizim bildiğimiz Türk Telekom, Turkcell Superonline şeklinde ülke içinde dağıtım meydana getiren firmalar. Bir diğeri ise ilk türdeki ISP’lerin interneti almış olduğu omurga, kısaca temel web sağlayıcıları.
Omurga web sağlayıcıları, ülkeler içinde yukarıdaki tasvirde bahsettiğimiz şeklinde ‘yollar’ kuruyorlar ve temel bir bağlantı sağlanıyor . Bizlere dağıtım meydana getiren web sağlayıcıları ise bu omurga web sağlayıcılarına aynı bizim şeklinde para ödeyip interneti oradan alıyorlar ve sonrasında bizlere dağıtıyorlar.
Peki kendi internetinizi nasıl sağlarsınız?
Aslen kendiniz de bir web servis sağlayıcısı ile uğraşmadan kendi internetinizi sağlayabilirsiniz. Sadece bunu hayata geçirmeye kalkarsanız, neden web servis sağlayıcılarına bu kadar para ödediğinizi anlamış olacaksınız.
Kendi internetinizi sağlamak için ilk olarak bağlantınızı alıp web ağına yönlendirecek bir sunucuya haiz olmanız gerekiyor . Bunu lüzumlu donanımı satın alıp da yapabilirsiniz başka birisinin sunucusunu kiralayarak da.
Peşinden ülkenizin web servis sağlayıcılarının bağlı olduğu kuruma müracaat edip bir IP adresi almanız gerekiyor sadece maalesef bunu da satın almanız lazım. Bunu da hallettikten sonrasında internete girebilmek adına sunucuyu evinize bağlamanız gerekiyor.
Sunucuyu evinize bağlayabilmeniz için ya kendi fiber kablolarınızı döşeyebilirsiniz (ki aşırı pahalı bir işlemdir, altyapıdan bahsediyoruz) ya da başka bir firmanın altyapısını kiralayabilirsiniz. Bu işlemden sonrasında da artık evinizde kendi internetinizi sağlamaya başlayabilirsiniz.
Sadece muhtemelen minimum 6 basamaklı oranda borç içerisindesiniz . Borçtan çıkmak için en kolay ne yapabilirsiniz? Bunca uğraş verip kurduğunuz sisteminizi başkalarına abonelik sistemi şeklinde aylık olarak kiralayabilirsiniz.
Tanıdık geldi değil mi? Yavaş yavaş web servis sağlayıcısına dönüşüyorsunuz . Hatta bırakın yavaş yavaşı, dönüştünüz bile! Fatura ödemekten kurtuldunuz sadece artık bir web servis sağlayıcısı işletmecisiniz, hayırlı olsun. İşin bu kısmı bir yana, eğer bir girişimci olmayı düşünmüyorsanız kendi internetinizi sağlamanız pek de mümkün değil.
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Fiber Optik Kabloyla Tüm İnternet Veri Kullanımının Neredeyse İki Katını Tek Seferde Aktarabilen Çip Geliştirildi: Birisi Işık Hızı mı Demişti? Kısaca özetlemek gerekirse özetleyecek olursak; bir web sağlayıcısı hiyerarşisi var ve bizlere web hizmeti sunan firmalar, kendilerinden büyük olan daha geniş çaptaki web sağlayıcılarından kendilerine hat çekerek bunu yapıyorlar.
Umarız anlaşılabilir bir halde anlatabilmişizdir. Siz ne düşünüyorsunuz? Düşüncelerinizi yorumlarda bizlerle paylaşmayı lütfen ihmal etmeyin.
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